{"id":61462,"date":"2026-09-03T17:03:27","date_gmt":"2026-09-03T09:03:27","guid":{"rendered":"https:\/\/www.vtmarkets.com\/en-ca\/uncategorized\/duration-definition\/"},"modified":"2026-09-03T17:03:27","modified_gmt":"2026-09-03T09:03:27","slug":"duration-definition","status":"publish","type":"post","link":"https:\/\/www.vtmarkets.com\/en-ca\/trading-glossary\/duration-definition\/","title":{"rendered":"Duration Definition"},"content":{"rendered":"<h2>What is duration?<\/h2>\n<p><strong>Duration is a measure of how sensitive the price of a bond is to changes in interest rates.<\/strong><\/p>\n<p>It estimates how much a bond&#8217;s price is likely to move for a given change in rates and reflects the timing of the bond&#8217;s cash flows.<\/p>\n<p><strong>In simple terms, duration shows how much a bond&#8217;s price may change when interest rates move.<\/strong><\/p>\n<h2>How duration works<\/h2>\n<p>Duration is expressed in years, but it is really a sensitivity figure. A bond with a duration of five years would be expected to fall by roughly five per cent in price if interest rates rose by one percentage point, and to rise by a similar amount if rates fell. Bonds with longer maturities and lower coupons generally have higher duration and so react more to rate changes.<\/p>\n<p><strong>What affects a bond&#8217;s duration<\/strong><\/p>\n<ul>\n<li>\n<p>Time to maturity, with longer bonds having higher duration<\/p>\n<\/li>\n<li>\n<p>The size of the coupon, with lower coupons raising duration<\/p>\n<\/li>\n<li>\n<p>The level of interest rates<\/p>\n<\/li>\n<li>\n<p>Whether the bond has special features, such as early repayment<\/p>\n<\/li>\n<\/ul>\n<h2>Short compared with long duration<\/h2>\n<table>\n<thead>\n<tr>\n<th><strong>Feature<\/strong><\/th>\n<th><strong>Short duration<\/strong><\/th>\n<th><strong>Long duration<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Rate sensitivity<\/td>\n<td>Lower<\/td>\n<td>Higher<\/td>\n<\/tr>\n<tr>\n<td>Price swings<\/td>\n<td>Smaller<\/td>\n<td>Larger<\/td>\n<\/tr>\n<tr>\n<td>Typical maturity<\/td>\n<td>Shorter<\/td>\n<td>Longer<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>What lengthens or shortens duration<\/h2>\n<p>A bond&#8217;s duration depends on several features. Longer time to maturity generally increases duration, since more future payments are exposed to rate changes. A lower coupon also lengthens duration, because more of the bond&#8217;s value sits further in the future. Higher coupons and shorter maturities shorten it. Understanding these drivers helps investors judge how much a bond, or a bond portfolio, might move as interest rates change, which is central to managing interest-rate risk. Duration is also useful at the portfolio level, where the combined figure shows how sensitive a whole bond holding is to rate moves. Investors expecting rates to rise may favour shorter-duration bonds to limit price falls, while those expecting cuts may accept longer duration for greater potential price gains.<\/p>\n<h2>Duration and interest-rate risk<\/h2>\n<p>Duration is an estimate based on small rate changes and becomes less precise for large moves, where a related measure called convexity is used. It also does not capture credit risk, which is the chance that an issuer fails to pay. Traders use duration to gauge interest-rate risk, but they consider it alongside other factors rather than in isolation.<\/p>\n<h2>Working through duration<\/h2>\n<p>Say a bond has a duration of five years. If interest rates rose by one percentage point, its price would be expected to fall by roughly five percent, and to rise by a similar amount if rates fell. Duration therefore gives a simple gauge of how sensitive the bond is to rate changes.<\/p>\n<h2>How duration affects price sensitivity<\/h2>\n<p>Duration is a key tool for understanding how bonds respond to changing interest rates, which is central to fixed-income trading. Grasping it helps traders judge interest-rate risk and compare bonds more effectively, while keeping in mind that bond prices can move against them and that all trading carries risk.<\/p>\n<p><strong>Risk Warning:<\/strong>Trading CFDs involves significant risk and may not be suitable for all investors. Losses can exceed your initial deposit. Please ensure you fully understand the risks involved before trading.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>What is duration? Duration is a measure of how sensitive the price of a bond is to changes in interest rates. It estimates how much a bond&#8217;s price is likely to move for a given change in rates and reflects the timing of the bond&#8217;s cash flows. In simple terms, duration shows how much a <a href=\"https:\/\/www.vtmarkets.com\/en-ca\/trading-glossary\/duration-definition\/\" class=\"read-more\">Continue Reading<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[120],"tags":[123],"class_list":["post-61462","post","type-post","status-publish","format-standard","hentry","category-trading-glossary","tag-general-finance"],"acf":{"acf_article_selection_author":null},"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO Pro 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"Learn what duration means for bonds, how it measures sensitivity to interest-rate changes, and why it matters to fixed-income investors.\" \/>\n\t<meta name=\"robots\" content=\"max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/www.vtmarkets.com\/en-ca\/trading-glossary\/duration-definition\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO Pro (AIOSEO) 5.0.1.1\" \/>\n\n\t\t<script type=\"text\/javascript\"> (function(c,l,a,r,i,t,y){ c[a]=c[a]||function(){(c[a].q=c[a].q||[]).push(arguments)}; t=l.createElement(r);t.async=1;t.src=\"https:\/\/www.clarity.ms\/tag\/\"+i; y=l.getElementsByTagName(r)[0];y.parentNode.insertBefore(t,y); })(window, document, \"clarity\", \"script\", \"hvd42hy9tt\"); <\/script>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"VT Markets\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"What is Duration in Bonds? 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