{"id":12183,"date":"2026-05-22T13:38:20","date_gmt":"2026-05-22T13:38:20","guid":{"rendered":"https:\/\/lemonn.co.in\/blog\/glossary\/call-option\/"},"modified":"2026-05-22T13:38:20","modified_gmt":"2026-05-22T13:38:20","slug":"call-option","status":"publish","type":"glossary","link":"https:\/\/lemonn.co.in\/blog\/glossary\/call-option\/","title":{"rendered":"Call Option"},"content":{"rendered":"<p>A <a class=\"glossaryLink\" href=\"https:\/\/lemonn.co.in\/blog\/glossary\/call-option\/\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">Call Option<\/a> is a financial contract that gives the buyer the right &mdash; but not the obligation &mdash; to buy an underlying asset at a predetermined price (the strike) on or before a fixed expiry date. The buyer pays an upfront <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> for this right. Indian retail traders use <a class=\"glossaryLink\" href=\"https:\/\/lemonn.co.in\/blog\/glossary\/call-options\/\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">call options<\/a> on <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>, Bank Nifty and stock <a class=\"glossaryLink\" href=\"https:\/\/lemonn.co.in\/blog\/glossary\/derivatives\/\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">derivatives<\/a> to take <a class=\"glossaryLink\" href=\"https:\/\/lemonn.co.in\/blog\/glossary\/leverage\/\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">leverage<\/a>d <a class=\"glossaryLink\"  href=\"https:\/\/lemonn.co.in\/blog\/glossary\/bullish\/\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'  tabindex='0' role='link'>bullish<\/a> bets with defined risk.<\/p>\n<div><strong>Key takeaways:<\/strong>\n<ul>\n<li>A call gives the buyer the right to buy at a fixed <a class=\"glossaryLink\" href=\"https:\/\/lemonn.co.in\/blog\/glossary\/strike-price\/\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">strike price<\/a> by expiry.<\/li>\n<li>Maximum loss for the buyer = premium paid; maximum profit is theoretically unlimited.<\/li>\n<li>Used to take bullish positions with capped downside and high leverage.<\/li>\n<li>Premium increases with time to expiry, <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> and the underlying&#x2019;s strength.<\/li>\n<li>Options can be settled in cash (<a class=\"glossaryLink\"  href=\"https:\/\/lemonn.co.in\/blog\/glossary\/index\/\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'  tabindex='0' role='link'>index<\/a>) or via physical delivery (<a class=\"glossaryLink\"  href=\"https:\/\/lemonn.co.in\/blog\/glossary\/stocks\/\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'  tabindex='0' role='link'>stocks<\/a>).<\/li>\n<\/ul>\n<\/div>\n<h2 id=\"how-a-call-option-works\">How a call option works<\/h2>\n<p>Suppose Nifty is at 22,000 and you expect it to rise. You buy a 22,000-strike call expiring in two weeks at a premium of &#8377;120. <a class=\"glossaryLink\"  href=\"https:\/\/lemonn.co.in\/blog\/glossary\/lot-size\/\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'  tabindex='0' role='link'>Lot size<\/a> is 25. Your total cost is 25 &times; &#8377;120 = &#8377;3,000. If Nifty rises to 22,400 by expiry, the call is worth at least &#8377;400. You earn (&#8377;400 &minus; &#8377;120) &times; 25 = &#8377;7,000 profit. If Nifty stays at or below 22,000, the option expires worthless and you lose the &#8377;3,000 premium.<\/p>\n<h2 id=\"key-components-of-a-call\">Key components of a call<\/h2>\n<ul>\n<li><strong>Underlying:<\/strong> The asset the call is on &#x2014; Nifty, a stock, currency, <a class=\"glossaryLink\" href=\"https:\/\/lemonn.co.in\/blog\/glossary\/commodity\/\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">commodity<\/a>.<\/li>\n<li><strong>Strike price:<\/strong> The agreed purchase price.<\/li>\n<li><strong>Expiry:<\/strong> Final date the option can be exercised &#x2014; weekly or monthly in India.<\/li>\n<li><strong>Premium:<\/strong> Cost paid by the buyer; received by the seller.<\/li>\n<li><strong>Lot size:<\/strong> Number of units per contract &#x2014; set by the exchange.<\/li>\n<\/ul>\n<h2 id=\"in-at-out-of-the-money\">In\/At\/Out of the money<\/h2>\n<table>\n<tr>\n<th>Spot vs strike<\/th>\n<th>Status<\/th>\n<th>Implication<\/th>\n<\/tr>\n<tr>\n<td>Spot &gt; Strike<\/td>\n<td>In the money (ITM)<\/td>\n<td>Has <a class=\"glossaryLink\" href=\"https:\/\/lemonn.co.in\/blog\/glossary\/intrinsic-value\/\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">intrinsic value<\/a><\/td>\n<\/tr>\n<tr>\n<td>Spot &#x2248; Strike<\/td>\n<td>At the money (ATM)<\/td>\n<td>Highest time value<\/td>\n<\/tr>\n<tr>\n<td>Spot &lt; Strike<\/td>\n<td>Out of the money (OTM)<\/td>\n<td>Pure time value; cheaper<\/td>\n<\/tr>\n<\/table>\n<h2 id=\"why-traders-buy-calls\">Why traders buy calls<\/h2>\n<ul>\n<li>To take leveraged bullish bets with limited downside.<\/li>\n<li>To hedge a short position in the underlying.<\/li>\n<li>To gain exposure ahead of expected catalysts (earnings, news, RBI events).<\/li>\n<li>To define risk in volatile markets.<\/li>\n<\/ul>\n<h2 id=\"risks-for-buyers\">Risks for buyers<\/h2>\n<p>Even if the underlying moves in the expected direction, time decay (Theta) and volatility crush (Vega) can erode the premium. A call can lose value over days even with a sideways move in the underlying. Always be aware of expiry timing and <a class=\"glossaryLink\" href=\"https:\/\/lemonn.co.in\/blog\/glossary\/implied-volatility\/\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">implied volatility<\/a> levels before entering a long-call trade.<\/p>\n<h2 id=\"indian-market-specifics\">Indian market specifics<\/h2>\n<p>Index options (Nifty, Bank Nifty, FinNifty, <a class=\"glossaryLink\"  href=\"https:\/\/lemonn.co.in\/blog\/glossary\/sensex\/\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'  tabindex='0' role='link'>Sensex<\/a>) are cash-settled. <a class=\"glossaryLink\" href=\"https:\/\/lemonn.co.in\/blog\/glossary\/stock-options\/\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">Stock options<\/a> are physically settled if held to expiry &mdash; meaning ITM positions deliver <a class=\"glossaryLink\"  href=\"https:\/\/lemonn.co.in\/blog\/glossary\/shares\/\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'  tabindex='0' role='link'>shares<\/a>. Margin requirements for buyers are simply the premium; sellers face SPAN + <a class=\"glossaryLink\" href=\"https:\/\/lemonn.co.in\/blog\/glossary\/exposure-margin\/\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">Exposure margin<\/a>s. Weekly expiries (every Thursday\/Wednesday) are extremely liquid and a favourite for short-duration trades.<\/p>\n<h2 id=\"frequently-asked-questions\">Frequently asked questions<\/h2>\n<div>\n<h3 id=\"what-happens-if-i-let-a-call-expire-worthless\">What happens if I let a call expire worthless?<\/h3>\n<p>You lose the entire premium paid. No further obligations.<\/p>\n<h3 id=\"can-i-exercise-an-indian-option-early\">Can I exercise an Indian option early?<\/h3>\n<p>No &#x2014; Indian listed options are European-style and exercise only at expiry.<\/p>\n<h3 id=\"do-i-need-a-special-account-for-options\">Do I need a special account for options?<\/h3>\n<p>You need an F&amp;O segment enabled on your demat\/<a class=\"glossaryLink\" href=\"https:\/\/lemonn.co.in\/blog\/glossary\/trading-account\/\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">trading account<\/a>.<\/p>\n<h3 id=\"how-does-lemonn-charge-for-option-trades\">How does Lemonn charge for option trades?<\/h3>\n<p>Lemonn charges a flat per-order <a class=\"glossaryLink\"  href=\"https:\/\/lemonn.co.in\/blog\/glossary\/broker\/\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'  tabindex='0' role='link'>broker<\/a>age on F&amp;O trades; statutory charges (STT, exchange fees, <a class=\"glossaryLink\"  href=\"https:\/\/lemonn.co.in\/blog\/glossary\/gst\/\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'  tabindex='0' role='link'>GST<\/a>) apply on top.<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>A Call Option is a financial contract that gives the buyer the right &#x2014; but not the obligation &#x2014; to buy an underlying asset at a predetermined price (the strike) on or before a fixed expiry date. The buyer pays an upfront premium for this right. Indian retail traders use call options on Nifty, Bank [&#x2026;]<\/p>\n","protected":false},"author":3,"featured_media":0,"menu_order":0,"template":"","meta":{"_uag_custom_page_level_css":"","footnotes":""},"class_list":["post-12183","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":"Ashutosh","author_link":"https:\/\/lemonn.co.in\/blog\/author\/ashu\/"},"uagb_comment_info":0,"uagb_excerpt":"A Call Option is a financial contract that gives the buyer the right &#x2014; but not the obligation &#x2014; to buy an underlying asset at a predetermined price (the strike) on or before a fixed expiry date. The buyer pays an upfront premium for this right. Indian retail traders use call options on Nifty, Bank&hellip;","_links":{"self":[{"href":"https:\/\/lemonn.co.in\/blog\/wp-json\/wp\/v2\/glossary\/12183","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\/12183\/revisions"}],"wp:attachment":[{"href":"https:\/\/lemonn.co.in\/blog\/wp-json\/wp\/v2\/media?parent=12183"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}