Glossary
Glossary
Your A – Z glossary of keywords used in the investment management industry
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Absolute return
The total return of an asset, portfolio or fund over a given period of time or an investment approach that attempts to achieve a return which is not benchmarked against an index.
Accounting dates
The dates when a fund's accounts are finalised and income from a fund is calculated for distribution to shareholders or for accumulation.
Active management
An investor who follows an active portfolio management strategy buys and sells stocks in an attempt to outperform a specific index. An actively managed investment fund has an individual portfolio manager, co-managers or a team of managers all making investment decisions for the fund. The success of the fund depends on in-depth research, market forecasting and the expertise of the management team.
Alpha (%)
A measure of excess return generated by a manager compared to the benchmark index. An alpha of 1.00 indicates that a fund has outperformed its benchmark by 1%.
Alternative Investment Market (AIM)
Part of the London Stock Exchange (LSE). It is an index where smaller, growing firms can list and enjoy more regulatory flexibility.
Annual management charge (AMC)
A fee charged by fund managers to investors for the day to day management of an investment portfolio (fund) based on a percentage of a fund’s value. Fund managers use it to cover costs of managing the funds, however they don’t cover all fees and are just a guide to what the annual charge to investors will be. AMCs can differ between funds.
Annuity
An annuity is a financial product typically sold by life insurers, which in return for a lump sum provides a guaranteed income every year for the rest of the retiree’s life or a specified period.
Ask / Bid price
The lowest price a seller is willing to sell a security for / against the highest price a buyer is willing to pay for a security.
Authorised Corporate Director (ACD)
A company authorised and regulated by the Financial Conduct Authority and given powers and duties under Financial Conduct Authority regulations to operate an OEIC.
B
Bear market
A market where an index has endured a prolonged fall and is anticipated to drop further still. Pessimism and negative sentiment tend to be characteristics of such a market. If a market falls 20%, it is considered to be a bear market. See Bull market for the opposite scenario.
Benchmark
Some investment funds measure their performance against a benchmark, others use these as a performance indicator. Fund managers typically try to outperform a certain benchmark. For example, a UK equity fund manager may benchmark their investment performance, against the FTSE All Share.
Beta
A measure of a fund’s sensitivity to market movements (as represented by the fund benchmark). A bet of 1.10 suggest the fund could perform 10% better than the benchmark in up markets and 10% worse in down markets, assuming all other factors remain constant.
Blue chip
Shares in large companies with a strong credit rating.
Bonds
An IOU issued by a company or government. During the life of the bond, the bondholder usually receives regular interest payments based on the coupon rate. When you buy a bond, you are essentially lending out your money. They have a set duration period. The loan must be repaid in full when the bond reaches maturity. These are sometimes referred to as fixed interest or fixed income securities.
- Callable bonds: can be redeemed (“called”) by the bond issuer, allowing the issuer to return the principal prior to the bond’s maturity. These bonds often have a scaled call schedule and usually a premium redemption price above par is paid to the bond owner.
- Corporate bonds: bonds issued by businesses looking to raise cash. Generally companies pay in two instalments in a year, but this can vary.
- Government bonds: bonds issued by governments looking to raise cash. UK government bonds are also known as Gilts while US government bonds are called Treasuries.
- Junk bonds: high-yield or non-investment grade bonds. They are viewed as far higher risk than many bond investments, as the issuer carries a greater chance of defaulting on payment.
Bond Maturity
The issuer of a bond agrees to repay the original amount loaned at the bond's maturity date which is usually set when it is issued. This is the date on which the principal amount of a bond is to be paid in full.
Bottom-up
An investment approach used by fund managers. A manager who selects stocks by analysing companies based solely on their investment quality and potential, regardless of their wider industry and the macro-economic backdrop.
BRICs
Acronym for emerging market giants, Brazil, Russia, India and China.
Broker
Such as a stockbroker or insurance broker – a person or firm, which executes buy and sell orders on behalf of investors. Brokers make their money via commissions from their trades.
Bull market
This is the opposite of a ‘bear market’. A market where securities such as shares and / or bonds have risen markedly. It is characterised by optimism, investor confidence and expectations of further rise. Generally speaking, a sustained 20% market rise would be considered to be a bull market.
C
Carbon Credits
Carbon credits are a way for businesses and individuals to offset their carbon emissions. They work by buying credits from projects that reduce or remove greenhouse gases, such as reforestation or renewable energy initiatives.
Carbon Emissions – Scope 1,2, and 3
Carbon emissions are the release of gases like carbon dioxide and others into the air, mostly due to human activities like burning coal, oil, and gas for power and transportation.
Emissions are often broken down into three categories:
- Scope 1 emissions are direct emissions, such as burning fuel in company vehicles or from on-site generators.
- Scope 2 emissions are indirect emissions resulting from the purchase of electricity, steam, heat, or cooling used by a company or organization.
- Scope 3 emissions are all other indirect emissions, such as emissions from transportation of goods, employee commuting, and the production of purchased materials.
CFROI
Means Cash Flow Return On Investment.
Collective investment schemes
A general term encompassing authorised unit trusts, common investment funds, OEICs and investment trusts.
Commodities
Natural resources and raw materials from oil to gold. Includes 'hard' commodities such as industrial and precious metals, as well as 'soft' commodities such as agricultural produce including coffee and wheat.
Convertibles
A type of bond which can be converted into company shares at a later date.
Convex
A convex derivative is a financial instrument which exhibits a non-linear relationship between the movements of its own price and the underlying asset price (embedded optionality). Its price increases (resp decreases) faster (resp lower) than the corresponding changes in the underlying asset price.
Corporate bonds
A bond issued by a corporation to an investor as a means of raising money.
Coupon rate
A bond's coupon rate is the amount of interest income earned on the bond each year based on its principal.
Credit ratings and credit risk
An assessment of a bond's security, given by an independent ratings company such as Standard & Poor's. The highest rating is AAA, and the lowest is D. Bonds rated between AAA and BBB – are known as investment grade bonds and are considered more secure. Bonds with a lower rating are considered less secure.
D
Decarbonisation
Reducing carbon emissions to help stop climate change. This involves doing things like switching from using fossil fuels (like coal and oil) to cleaner energy sources (like wind and solar power) and finding ways to capture and store carbon.
Default
Failure to pay interest or principal on a bond when due. Default occurs when a debtor is unable to meet the legal obligation of debt repayment.
Deflation
Deflation is the opposite of inflation when the price of goods and services declines. A country is in deflation if its inflation level drops below 0%. Prolonged bouts of deflation can be dangerous for an economy as consumers stop spending in the hope of buying something cheaper at a later date, and therefore money that flows into businesses slows down.
Delta
Delta measures the change in value of a derivative from a change in the price of the underlying asset. It is sometimes referred to as the “hedge ratio”.
Delta one
A delta one derivative is a financial instrument which has, or is close to having, a one-to-one relationship with an underlying asset in terms of price movements (no optionality). As such its profile is linear and its sensitivity to the underlying asset price movements (also known as delta) remains equal to around one (“delta one” refers to delta equal to one – or 100%).
Depositary
The depositary is a firm (usually a bank) authorised by the FCA and independent of the OEIC and its directors. It has legal title to the OEIC investments, is responsible for their safe custody and ensuring the OEIC complies with key regulatory requirements.
Derivatives
Derivatives are investments, whose value depends on the changes in an underlying asset or security. The stock is not physically held but there is a contract based on a number of predictions in time or price in the future. The use of derivatives can result in greater fluctuations of a fund's value and may cause the fund to lose as much as, or more than, the amount invested.
Discount
Usually refers to an investment trust trading in a range less than its net asset value. As investment trusts are traded as shares on the stock exchange, their share price can fluctuate, based on demand. If a trust is in great demand, its shares can trade at a premium i.e. at a great value than their actual net worth.
Distribution/Distribution shares
Shares where the income generated by a fund can be paid to investors rather than accumulated. This income is known as the Distribution.
Dividends
Payouts made to shareholders of corporation who share their profits with their investors. Usually dividends are paid either quarterly, twice a year or annually.
Drawdown
The difference between the highest price and lowest price during a specific period, usually quoted as a percentage. Not to be confused with pension drawdown.
Duration
A measure of the extent to which the value of a bond will be affected by changes in interest rates expressed as a number of years. As a general rule, the greater the value of duration, the greater the price volatility which results from interest rate movements.
E
Effective Duration
Effective duration estimates the sensitivity of a bond’s price to changes in benchmark interest rates. Effective duration is required for the measurement of interest rate risk for complex types of bonds.
Equities
An equity market is a market in which shares of companies are issued and traded, either through exchanges or over-the-counter markets. Also known as the stock market, it gives companies access to capital to grow their businesses, and investors a piece of ownership in a company with the potential to realise gains in their investment based on the company’s future performance.
Excess returns
The return of the fund in excess of the benchmark / index return (annualized).
Exchange Traded Funds or ETF
ETF is a fund vehicle that is traded like a stock on the stock exchange. It is used to track and mimic the performance of a specific market index.
Exposure
Describes the level of risk to a particular asset, asset type, sector, market or government. Also, the directional market exposure of a (absolute return) fund.
F
Financial Conduct Authority
Regulator formerly known as the Financial Services Authority. The FCA oversees and regulates financial firms providing services and products to UK consumers.
Financial Services Compensation Scheme (FSCS)
The FSCS is a free service and the UK’s compensation scheme of last resort for customers dealing with authorised financial services firms. The organisation only pays customers compensation if a company is unable to, usually as a result of going bust.
Fixed interest securities or Fixed income
Another term for bond related investments. Fixed income assets are IOUs issued by governments. They pay a fixed rate of return, and have a set duration period.
Floating Rate Note (FRN)
A bond with a variable interest rate that is variable as it is tied to a benchmark such as LIBOR (London Interbank Offered Rate).
Forward pricing
The price at which shares of a fund are bought and sold. This price is based upon the next valuation of a fund's assets following an instruction to buy or sell shares.
Forward transactions
These are transactions where the buyer and seller agree on a price now for a delivery of a commodity at a later date.
Fund
A pooled investment. Typically run by a fund manager who uses investors’ money to invest in a wide range of assets, such as stocks or bonds, following a determined strategy, and with the aim of delivering capital growth and/or income.
Fund-of-funds
Sometimes known as a multi-manager fund, is an investment portfolio, which invests in a range of other funds, as opposed to individual stocks or securities.
Futures
Like derivatives, futures are contracts agreed for assets. Commonly used in oil trading, a future contract refers to an asset, which is purchased at a set price but will not be delivered until sometime later.
G
Gearing
This describes the ratio of a corporation's debt that its books to the value of its shares. Investment trusts often take on debt or use gearing to boost investor returns. While gearing can increase potential returns in a rising market, it can also magnify the extent of losses in a declining market. A geared investment trust will also fluctuate more than an equivalent non-geared fund,
Gilts, gilt edged securities and index linked gilts
Gilts is an abbreviated name for fixed interest securities such as gilt edged securities or index linked securities issued by the UK Government.
Green bond
A bond that raises money for environmental projects. Investors get a return like regular bonds, but their money goes towards things like renewable energy, energy efficiency, and conservation. It's one way to invest in a sustainable future.
Gross Asset Value
The total value of all the assets that the fund holds – such as stocks, bonds, real estate, and other investments – excluding cash and before any deductions such as fees or expenses.
Gross exposure
The percentage value of the long positions plus the percentage value of the short positions. See net exposure.
H
Hedging
A transaction involving derivatives, with the aim of reducing a particular financial risk, for example exchange rate risk. However, hedging transactions can also expose a fund to additional risks, such as the risk that the counterparty to the transaction may not be able to make its payments, which may result in loss to the fund.
High Water Mark
The highest level that a fund’s net asset value (NAV) has reached at the end of any 12 month accounting period.
High yield bond
A bond with a high coupon payment and typically a low or no credit rating.
Hurdle rate
The minimum level of return required before a fund can charge a performance fee.
I
ICVC
Investment Company with Variable Capital - another term for an OEIC.
Income shares
See ‘Distribution/distribution shares'.
Index
Index refers to stock markets, such as the FTSE 100 index of the UK’s largest firms or the S&P 500 index, which represents the biggest firms in the US. An index tracker fund will mirror the performance of a particular index.
Index-linked gilts
UK Government bonds where income payments and the principal value are adjusted in line with movements in the General Index of Retail Prices in the UK.
Inflation
Inflation represents an increase in the cost of everyday living as it devalues spending power. The higher it rises, the less money is worth and people have to spend more to buy the same items. Measured in the UK by the Consumer Prices Index (CPI).
Information ration (IR)
Measures if a manager is outperforming or underperforming the benchmark and accounts for the risk taken to achieve the returns. A manager who outperforms a benchmark by 2% p.a. will have a higher IR than a manager with the same outperformance who has taken more risk.
Investment trust
An investment trust operates like an investment fund but it is structured as a limited company, and its primary business is to invest its shareholders money. They are bought and sold on the London Stock Exchange.
Initial charge
A fee charged on the purchase of shares in a fund based on the value of the initial investment.
Initial Public Offering (IPO)
An IPO, sometimes referred to as floatation, marks a company’s stock market debut. It is the very first time it sells shares on a stock exchange, when it goes public.
Interest rate futures (IRF)
A financial derivative that allows exposure to changes in interest rates. It is a contract between a buyer and seller for an underlying instrument that pays interest and locks in the price of the interest-bearing asset for a future date.
Interest rate swaps (IRS)
A forward contract in which one set of future interest payments is exchanged for another. They are usually structured on a specified principal amount. They can involve the exchange of a fixed interest rate payment for a floating rate payment, or vice versa.
Investment grade bonds
Bonds issued by a company that has a higher credit rating, and so are considered more secure.
Investment trust
An investment trust operates like an investment fund but it is structured as a limited company, and its primary business is to invest its shareholders money. They are bought and sold on the London Stock Exchange.
J
Junk bonds
See bonds
K
Key Ratio
Key ratios can be used to easily obtain an idea of a company's financial status. Companies that are in good condition financially will have superior ratios to those that are performing poorly. A mathematical ratio that illustrates and summarizes the current financial condition of a company.
L
Leverage
The use of financial instruments (example debt) to increase the potential return of an investment.
Liquidity
This refers to cash flow, or how easily an asset can be converted into cash. Shares which can be bought or sold rapidly on the stock market are considered a liquid asset whereas a commercial property would be considered more illiquid as it is much more cumbersome to sell.
Long / short position
A long position is buying a security with the expectation that it will deliver a positive return if its value goes up and a negative return if its value falls. Conversely, a short position involves selling a borrowed security with the expectation of buying it back at a lower price to make a profit. However, if the security goes up in value, a short position will make a loss.
M
Maturity
See ‘bond maturity’
Mid-price
The price at which shares in a fund are bought and sold by investors. It is mid-way between the real buying and selling prices based on the underlying assets held by a fund.
Modified Duration
Modified duration estimates the effect that a 1% change in interest rates will have on the price of a bond or bond fund.
Money-market instruments
Short-term debt instruments, usually running for a year or less. Examples of these include Treasury bills. These are issued by the Treasury, via the Debt Management Office, and represent a promise to repay a set sum of money on a specified date in the future.
Multi-asset
A fund that generally invests across a very wide spread of asset classes in order to diversify risk. As well as other funds multi-asset portfolios can invest in individual shares, bonds and commodities such as gold.
M&A
A common phrase used to describe Merger & Acquisition activity - company consolidation trends. A merger is when two firms join forces to create a new corporation. An acquisition is the purchase of another company, which is absorbed into the buying firm.
N
Net asset value (NAV)
This is a mutual fund’s price per share
Net exposure
The percentage value of the long positions less the percentage value of the short positions.
Net Zero
Balancing the amount of greenhouse gases released into the atmosphere with the amount removed, so that overall emissions are equal to zero.
For investments, this means that the total greenhouse gases (like carbon dioxide) associated with the investments in a portfolio are zero. This can be achieved in two ways:
- Investing in companies or projects that don’t produce greenhouse gases.
- Offsetting any greenhouse gases produced by the investments through actions like buying carbon credits.
The goal is to balance out emissions so that the overall impact on the environment is neutral. This concept is important for investors who want to support sustainability and reduce their carbon footprint through their investment choices.
Non rated bonds
Bonds that are not rated.
Notional value
Commonly used in relation to a derivative, denoted the theoretical value of its underlying asset.
O
OEIC
An OEIC (Open Ended Investment Company) is a type of investment product that offers indirect investment in securities and other assets. Your money is pooled with that of other investors who choose to invest in the same fund. Funds will use this money to buy investments, such as stocks and shares, as selected by the Investment Adviser for the fund in line with the objectives of that fund. The value of your shares in the fund is directly related to the underlying value of these investments.
Ongoing charges
The ongoing charges figures is based on the fund’s expenses during the previous 12 months, on a rolling basis. It excludes transaction costs an performance fees incurred by the fund.
Other expenses
Fees deduced from the fund’s asset incurred as part of the fund’s operations.
P
Passive investing
Passive portfolio management is also referred to as index fund management. The portfolio is designed to mirror the returns of a particular market index or benchmark as closely as possible. Index funds are branded as passively managed rather than unmanaged because each has a portfolio manager who is in charge of replicating the index.
Pay dates
Income is paid or accumulated on these dates.
Performance fee
A feed paid to an asset manager for generating positive returns above a hurdle rate.
Portfolio turnover rate (PTR)
The percentage of a fund's portfolio that is bought and sold over a 12 month period.
Premium
The difference between an assets net asset value and the price being paid. For example an investment trust’s shares can trade at a premium to the portfolios actual net worth, if it is in high demand.
Principal
The amount of cash the bond-issuer owes to the bondholder at the bond’s maturity (not including any accrued interest.) This is often referred to as “face value” or “par value” or “nominal value”.
R
Rights issue
A rights issue occurs when a publicly listed firm issues new shares to existing shareholders in a bid to raise money. Existing shareholders have pre-emption rights to buy the shares before anyone else. A company might do it if it was in financial difficulty and needs more cash or if it wants to raise money for expansion. It will dilute the value of the share already in issue.
S
Securities
An investment instrument such as shares or bonds, issued by a corporation, government or other organisation which offers evidence of debt or equity.
Share
A unit of ownership in a company or financial asset.
Sharpe ratio
A measure of the performance of an investment adjusting for the amount of risk taken (compared to a risk free investment). The higher the Sharpe ratio the better the return compared to the risk taken.
SICAV
Société d’Investissement à Capital Variable. A type of open-ended fund widely used in Europe.
Spread
The difference between the bid and the ask price of a single security. It can also refer to the difference in price between securities.
Stewardship
The responsible management of investments with the goal of enhancing long-term value through promoting sustainable practices. It involves engaging with companies to encourage better environmental, social, and governance (ESG) practices, voting on shareholder resolutions, and monitoring the performance of investments.
The aim is to ensure that investments align with the values and interests of investors and contribute to a more sustainable future.
Sub-investment grade bonds
These tend to be issued by a company that has a lower credit rating and so have a greater possibility of failing to make their repayments. (See also: Credit Ratings).
Sustainability Disclosure Regulations (SDR)
Rules set out by the Financial Conduct Authority in 2024 that require financial firms to provide clear and consistent information to investors about the environmental, social, and governance (ESG) impact of their investments.
This means that firms must explain how they consider sustainability factors when making investment decisions and report on the sustainability performance of their investments. The aim is to help investors make informed decisions and promote responsible investing.
Sustainability Disclosure Regulations (SDR) Labels
The SDR measures include a labelling system for funds to help investors understand the sustainability impact of their investments. To qualify for a label a fund must:
- Have a specific sustainable objective or promote environmental or social characteristics as its main goal
- Have a way to measure progress towards achieving its objective
- Report regularly on these measurements for investors
- Meet specific criteria set out by the FCA, depending on the label
Funds that don’t meet these standards won’t qualify for labels, even if the fund manager considers sustainability factors when making investment decisions for these funds.
The labels are:
- Sustainable impact – Invests in companies providing solutions to sustainability problems.
- Sustainable improver – Invests in companies or projects that may not be sustainable now but which are making measurable improvements in their sustainability performance.
- Sustainable focus – Invests in companies or projects that have a strong sustainability focus, with sustainability considerations integrated into the fund's investment decision-making process.
- Mixed Goals – Invests in a mix of assets that are already sustainable, have the potential to improve their sustainability over time, and/or aim to provide solutions to sustainability problems.
Funds that have SDR labels – and some funds that have sustainability characteristics but don’t qualify for a label – now have special reports outlining how sustainability considerations are included in their investment strategies. AXA IM UK refers to these as “Sustainability Disclosure Requirements – Consumer Facing Disclosure”.
Find out more about the FCA’s Sustainability Disclosure Regulations here.
Swing pricing
A swing price is used to protect your investment from the costs of buying or selling investments that result from a large investment joining or leaving the fund.
T
Top down
A term used by professional investors. Top down investors select industries and stocks to invest in based on the wider macro-economic backdrop rather than the fundamentals of individual shares. Most investors will combine top-down and bottom-up strategies (looking at an individual shares characteristics) when they make investment decisions.
Total expense ratio (TER)
The annual costs of running a fund summarised into a single figure.
Total return
The capital gain or loss plus any income generated by an investment over a given period.
Tracker fund
A tracker fund, sometimes known as an index tracker, is essentially a computer run fund which mirrors, or tracks, the trajectory of a particular market or index, such as the FTSE 100.
Tracking error (%)
Measures how much a fund’s returns deviate from those of the benchmark. The lower the number the closer the fund’s historic performance has followed its benchmark.
Transferable securities
These are securities which can be freely traded on a market.
U
UCITS
Undertakings for Collective Investment in Transferable Securities - UCITS funds can be marketed within all countries that are a part of the European Union, provided that the fund and fund managers are registered within the European Union.
United Nations Sustainable Development Goals (SDGs)
The 17 SDGs were ratified by the United Nations in 2015 as part of the 2030 Agenda for Sustainable Development. Each SDG is a call for action as determined by the UN, providing a framework for addressing some of the most critical issues facing people and the planet today. They are:
- No Poverty
- Zero Hunger
- Good Health and Well-being
- Quality Education
- Gender Equality
- Clean Water and Sanitation
- Affordable and Clean Energy
- Decent Work and Economic Growth
- Industry, Innovation and Infrastructure
- Reduced Inequalities
- Sustainable Cities and Communities
- Responsible Consumption and Production
- Climate Action
- Life Below Water
- Life on Land
- Peace, Justice and Strong Institutions
- Partnerships for the Goals
For more information about the UN Sustainable Development Goals, please refer to: https://sdgs.un.org/goals
Unit trust
Legal term for a type of open-ended pooled investment or mutual fund, where investors can buy up units. The unit trust manager creates units for new investors and cancels them when they are redeemed.
V
Valuation point
The date and time of day when funds are valued and their shares priced.
Value at risk (VaR)
A mathematical way of measuring the level of risk of loss of an investment over a period of time.
Volatility
The measure of the tendency and magnitude of an asset's price changes over time. Generally a measure to assess risk.
W
Weighted Average Carbon Intensity (WACI)
A way to measure a portfolio’s exposure to companies’ carbon emissions. We calculate the carbon emissions of the companies we invest in, measured in tons of carbon dioxide emissions per US$1m of revenue, and then adjust this for the size of the holding (so that companies where we have large investments count more towards the final figure than smaller investments).
The WACI calculation takes into account carbon emissions from sources controlled by an issuer (Scope 1 emissions) and indirect carbon emissions from the production of electricity, heat or steam consumed by an issuer (Scope 2 emissions).
Indirect emissions in the value chain of an issuer, for example from suppliers, (Scope 3 emissions) are not included because data is either not yet available for many issuers or not reliable enough to use as a basis for investment decisions.
Weighted Average Delta
Refers to the overall delta of a collection of derivatives based on the delta of each individual derivative and their respective “weight” or size in the collections as a whole.
Y
Yield
A measure of return from interest or dividend income expressed as a percentage of an asset's price.
Yield Curve
A line that plots the yield of equally rated bonds with different maturity dates.
Yield to call
The yield of a bond if you were to buy and hold it until its call date. This yield is valid only if the bond is called prior to maturity.
Yield to Maturity (YTM)
The rate of return an investor would receive if a bond is held to its maturity date. This include all coupon interest and principal payments and is expressed as an annual percentage rate (this is also known as the internal rate of return).
Yield to Worst (YTW)
This is the lowest potential yield a corporate bond holder can expect.
If a bond is callable, the rate of return is calculated to each call date. The YTW is then the lowest of either the yield to maturity or yield to call.
Because YTW is the most conservative way to look at a bond, it is often used in high yield investments, where bonds are frequently callable. See callable bonds.
Z
Zero coupon bond
A debt security that doesn't pay interest (a coupon) but is traded at a deep discount, rendering profit at maturity when the bond is redeemed for its full face value. Because they offer the entire payment at maturity, zero coupon bonds tend to fluctuate in price much more than coupon bonds.
To see the impact of duration on a zero coupon bond, have a look at the interactive tool.
Disclaimer