{"id":12199,"date":"2026-05-22T13:38:38","date_gmt":"2026-05-22T13:38:38","guid":{"rendered":"https:\/\/lemonn.co.in\/blog\/glossary\/gamma-option-greek\/"},"modified":"2026-05-22T13:38:38","modified_gmt":"2026-05-22T13:38:38","slug":"gamma-option-greek","status":"publish","type":"glossary","link":"https:\/\/lemonn.co.in\/blog\/glossary\/gamma-option-greek\/","title":{"rendered":"Gamma (Option Greek)"},"content":{"rendered":"<p>Gamma is the second-order Greek that measures how quickly an option&#x2019;s Delta changes as the underlying moves. It is most important for traders running short-dated, ATM options where a few points of underlying movement can shift the option&#x2019;s behaviour significantly. Understanding gamma helps Indian options traders manage explosive risk near expiry.<\/p>\n<div><strong>Key takeaways:<\/strong>\n<ul>\n<li>Gamma measures the rate of change of Delta per unit move in the underlying.<\/li>\n<li>ATM options have the highest gamma; deep ITM and OTM have low gamma.<\/li>\n<li>Gamma is highest near expiry &#x2014; gamma risk peaks in the last week of weekly options.<\/li>\n<li>Long options have positive gamma; short options have negative gamma.<\/li>\n<li>Negative gamma exposure (short options near expiry) can cause severe losses on sudden moves.<\/li>\n<\/ul>\n<\/div>\n<h2 id=\"intuition-behind-gamma\">Intuition behind gamma<\/h2>\n<p>Delta describes how much the option <a class=\"glossaryLink\" href=\"https:\/\/lemonn.co.in\/blog\/glossary\/premium\/\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">premium<\/a> moves with the underlying &#x2014; but delta itself changes. Gamma quantifies how delta evolves. A high-gamma option behaves dramatically as the underlying moves: its delta accelerates from 0.5 to 0.8 quickly with a favourable move, or collapses to 0.2 with an unfavourable one.<\/p>\n<h2 id=\"where-gamma-is-highest\">Where gamma is highest<\/h2>\n<ul>\n<li><strong>ATM strikes:<\/strong> Maximum sensitivity to underlying moves.<\/li>\n<li><strong>Short-dated options:<\/strong> Less time means more sensitivity per unit move.<\/li>\n<li><strong>High-IV environments:<\/strong> Premiums fluctuate dramatically with underlying moves.<\/li>\n<\/ul>\n<h2 id=\"long-vs-short-gamma\">Long vs short gamma<\/h2>\n<table>\n<tr>\n<th><\/th>\n<th>Long gamma (long options)<\/th>\n<th>Short gamma (sold options)<\/th>\n<\/tr>\n<tr>\n<td>Delta exposure<\/td>\n<td>Increases in favourable direction<\/td>\n<td>Increases against you<\/td>\n<\/tr>\n<tr>\n<td><a class=\"glossaryLink\" href=\"https:\/\/lemonn.co.in\/blog\/glossary\/risk-profile\/\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">Risk profile<\/a><\/td>\n<td>Limited (premium paid)<\/td>\n<td>Unlimited if naked<\/td>\n<\/tr>\n<tr>\n<td>Best in<\/td>\n<td>Volatile environments<\/td>\n<td>Quiet, range-bound markets<\/td>\n<\/tr>\n<\/table>\n<h2 id=\"gamma-risk-near-expiry\">Gamma risk near expiry<\/h2>\n<p>On expiry day, a near-ATM option&#x2019;s gamma can spike dramatically. A sudden 100-point <a class=\"glossaryLink\" href=\"https:\/\/lemonn.co.in\/blog\/glossary\/nifty\/\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">Nifty<\/a> move can flip a near-ATM short call from breakeven to a deep loss in minutes. This is why naked option selling is dangerous in the final hours of weekly expiries &#x2014; gamma risk overwhelms theta gains.<\/p>\n<h2 id=\"practical-applications\">Practical applications<\/h2>\n<ul>\n<li>Sell options with lower gamma (deeper OTM, longer expiry) for safer income strategies.<\/li>\n<li>Buy ATM short-dated options to benefit from gamma in expected moves.<\/li>\n<li>Use gamma-<a class=\"glossaryLink\" href=\"https:\/\/lemonn.co.in\/blog\/glossary\/scalping\/\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">scalping<\/a> strategies &#x2014; delta-hedge long-gamma positions to harvest <a class=\"glossaryLink\" href=\"https:\/\/lemonn.co.in\/blog\/glossary\/volatility\/\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">volatility<\/a>.<\/li>\n<li>Monitor <a class=\"glossaryLink\" href=\"https:\/\/lemonn.co.in\/blog\/glossary\/portfolio\/\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">portfolio<\/a> gamma to anticipate sudden delta swings.<\/li>\n<\/ul>\n<h2 id=\"gamma-and-the-option-chain\">Gamma and the <a class=\"glossaryLink\" href=\"https:\/\/lemonn.co.in\/blog\/glossary\/option-chain\/\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">option chain<\/a><\/h2>\n<p>Most modern Indian charting platforms display Gamma alongside Delta in the option chain. Traders use this column to identify which strikes are most explosive in either direction. A simple rule of thumb: highest gamma corresponds to highest implied move per rupee of premium.<\/p>\n<h2 id=\"frequently-asked-questions\">Frequently asked questions<\/h2>\n<div>\n<h3 id=\"is-gamma-always-positive\">Is gamma always positive?<\/h3>\n<p>For long option positions yes; for short positions, position gamma is negative.<\/p>\n<h3 id=\"why-is-gamma-higher-near-expiry\">Why is gamma higher near expiry?<\/h3>\n<p>Less time to expiry means small underlying moves can quickly push the option ITM or OTM, swinging delta sharply.<\/p>\n<h3 id=\"how-can-i-reduce-gamma-risk\">How can I reduce gamma risk?<\/h3>\n<p>Trade further OTM strikes, longer expiries, or use spread strategies to cap gamma exposure.<\/p>\n<h3 id=\"does-gamma-matter-for-buyers\">Does gamma matter for buyers?<\/h3>\n<p>Yes &#x2014; long options benefit from positive gamma during sharp directional moves.<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Gamma is the second-order Greek that measures how quickly an option&#x2019;s Delta changes as the underlying moves. It is most important for traders running short-dated, ATM options where a few points of underlying movement can shift the option&#x2019;s behaviour significantly. Understanding gamma helps Indian options traders manage explosive risk near expiry. Key takeaways: Gamma measures [&#x2026;]<\/p>\n","protected":false},"author":3,"featured_media":0,"menu_order":0,"template":"","meta":{"_uag_custom_page_level_css":"","footnotes":""},"class_list":["post-12199","glossary","type-glossary","status-publish","hentry"],"blocksy_meta":[],"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false,"web-stories-poster-portrait":false,"web-stories-publisher-logo":false,"web-stories-thumbnail":false},"uagb_author_info":{"display_name":"Team Lemonn","author_link":"https:\/\/lemonn.co.in\/blog\/author\/ashu\/"},"uagb_comment_info":0,"uagb_excerpt":"Gamma is the second-order Greek that measures how quickly an option&#x2019;s Delta changes as the underlying moves. It is most important for traders running short-dated, ATM options where a few points of underlying movement can shift the option&#x2019;s behaviour significantly. Understanding gamma helps Indian options traders manage explosive risk near expiry. Key takeaways: Gamma measures&hellip;","_links":{"self":[{"href":"https:\/\/lemonn.co.in\/blog\/wp-json\/wp\/v2\/glossary\/12199","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lemonn.co.in\/blog\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/lemonn.co.in\/blog\/wp-json\/wp\/v2\/types\/glossary"}],"author":[{"embeddable":true,"href":"https:\/\/lemonn.co.in\/blog\/wp-json\/wp\/v2\/users\/3"}],"version-history":[{"count":0,"href":"https:\/\/lemonn.co.in\/blog\/wp-json\/wp\/v2\/glossary\/12199\/revisions"}],"wp:attachment":[{"href":"https:\/\/lemonn.co.in\/blog\/wp-json\/wp\/v2\/media?parent=12199"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}