{"id":45940,"date":"2025-10-07T11:35:20","date_gmt":"2025-10-07T06:05:20","guid":{"rendered":"https:\/\/flattrade.in\/kosh\/?p=45940"},"modified":"2025-12-22T15:23:54","modified_gmt":"2025-12-22T09:53:54","slug":"nse-revises-derivatives","status":"publish","type":"post","link":"https:\/\/flattrade.in\/kosh\/nse-revises-derivatives\/","title":{"rendered":"NSE Revises Derivative Lot Sizes: What Traders Need to Know Before October 28, 2025"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"45940\" class=\"elementor elementor-45940\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-36af7fe elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"36af7fe\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-c31f076\" data-id=\"c31f076\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-12e2d78 elementor-widget elementor-widget-text-editor\" data-id=\"12e2d78\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>The <strong>National Stock Exchange of India (NSE)<\/strong> has rolled out an important structural change for derivatives traders. On <strong>October 3, 2025<\/strong>, NSE issued Circular No. <a href=\"https:\/\/flattrade.in\/kosh\/wp-content\/uploads\/2025\/12\/FAOP70616.pdf\" target=\"_blank\" rel=\"noopener\"><strong>NSE\/FAOP\/70616<\/strong><\/a>, announcing a revision in <strong>market lot sizes<\/strong> for key <strong>index derivative contracts<\/strong>.<\/p><p>The update, effective from <strong>October 28, 2025 (end of day)<\/strong>, follows the <strong>SEBI directive<\/strong> mandating periodic recalibration of lot sizes to maintain the notional value of each contract between \u20b95 lakh and \u20b910 lakh.<\/p><p>In simple terms, the number of units in each derivative lot is being reduced slightly across major indices to reflect their current market levels &#8211; ensuring the contract value stays stable despite index rallies over recent quarters.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ab02d95 elementor-widget elementor-widget-heading\" data-id=\"ab02d95\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">The Revised Lot Sizes:<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-13c9bd5 elementor-widget elementor-widget-text-editor\" data-id=\"13c9bd5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Here\u2019s a snapshot of what\u2019s changing:<\/p><table width=\"604\"><tbody><tr><td><p><strong>Index<\/strong><\/p><\/td><td><p><strong>Symbol<\/strong><\/p><\/td><td><p><strong>Current Lot Size<\/strong><\/p><\/td><td><p><strong>Revised Lot Size<\/strong><\/p><\/td><\/tr><tr><td><p>Nifty 50<\/p><\/td><td><p>NIFTY<\/p><\/td><td><p>75<\/p><\/td><td><p><strong>65<\/strong><\/p><\/td><\/tr><tr><td><p>Nifty Bank<\/p><\/td><td><p>BANKNIFTY<\/p><\/td><td><p>35<\/p><\/td><td><p><strong>30<\/strong><\/p><\/td><\/tr><tr><td><p>Nifty Financial Services<\/p><\/td><td><p>FINNIFTY<\/p><\/td><td><p>65<\/p><\/td><td><p><strong>60<\/strong><\/p><\/td><\/tr><tr><td><p>Nifty Mid Select<\/p><\/td><td><p>MIDCPNIFTY<\/p><\/td><td><p>140<\/p><\/td><td><p><strong>120<\/strong><\/p><\/td><\/tr><tr><td><p>Nifty Next 50<\/p><\/td><td><p>NIFTYNXT50<\/p><\/td><td><p>25<\/p><\/td><td><p><em>Unchanged<\/em><\/p><\/td><\/tr><\/tbody><\/table><p>This means, for example, a single Nifty futures contract that earlier represented 75 units will now represent 65 units.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6a3eb34 elementor-widget elementor-widget-heading\" data-id=\"6a3eb34\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Why the Lot Size Revision Was Needed?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-a5272c0 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"a5272c0\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-10a9a7b\" data-id=\"10a9a7b\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-00489ef elementor-widget elementor-widget-text-editor\" data-id=\"00489ef\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Every derivative contract in India is designed to have a notional value that falls within a fixed range &#8211; typically <strong>\u20b95 lakh to \u20b910 lakh per lot<\/strong>. As index levels climb, the value of each contract increases too.<br \/>If left unchecked, that could make participation expensive for smaller traders.<\/p><p>To keep the derivative market accessible and liquid, NSE periodically adjusts lot sizes so that contract values remain consistent.<\/p><p>For instance:<\/p><ul><li><strong>Nifty 50<\/strong> has been trading near record highs, pushing contract values beyond the upper threshold. Reducing the lot size to 65 brings it back within range.<\/li><li><strong>Bank Nifty<\/strong> and <strong>FinNifty<\/strong> also saw similar recalibrations for the same reason.<\/li><\/ul><p>These adjustments are not new &#8211; NSE and SEBI conduct such reviews every few quarters to balance contract sizes with index price movements.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-149f42f elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"149f42f\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-4c248ab\" data-id=\"4c248ab\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-65302f5 elementor-widget elementor-widget-heading\" data-id=\"65302f5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Effective Dates and Expiry Schedule:<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-582fc57 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"582fc57\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-b447fb1\" data-id=\"b447fb1\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e420c0b elementor-widget elementor-widget-text-editor\" data-id=\"e420c0b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>The circular lays out a phased implementation plan to ensure a smooth transition:<\/p><table><tbody><tr><td><p><strong>Derivative Type<\/strong><\/p><\/td><td><p><strong>Expiration Cycle<\/strong><\/p><\/td><td><p><strong>Last Expiry with Old Lot<\/strong><\/p><\/td><td><p><strong>First Expiry with Revised Lot<\/strong><\/p><\/td><\/tr><tr><td><p>NIFTY<\/p><\/td><td><p>Weekly<\/p><\/td><td><p>23-Dec-2025<\/p><\/td><td><p>06-Jan-2026<\/p><\/td><\/tr><tr><td><p>NIFTY<\/p><\/td><td><p>Monthly<\/p><\/td><td><p>30-Dec-2025<\/p><\/td><td><p>27-Jan-2026<\/p><\/td><\/tr><tr><td><p>BANKNIFTY \/ FINNIFTY \/ MIDCPNIFTY<\/p><\/td><td><p>Monthly<\/p><\/td><td><p>30-Dec-2025<\/p><\/td><td><p>27-Jan-2026<\/p><\/td><\/tr><tr><td><p>NIFTY \/ BANKNIFTY<\/p><\/td><td><p>Quarterly &amp; Half-Yearly<\/p><\/td><td><p>31-Mar-2026*<\/p><\/td><td><p>Revised from 30-Dec-2025 (EOD)<\/p><\/td><\/tr><\/tbody><\/table><p>*Note: The March 2026 contract, currently treated as a quarterly expiry, will automatically transition to a far-month contract after the December 2025 monthly expiry.<\/p><p>So, for traders holding long-dated positions, <strong>the new lot sizes will come into force after December 30, 2025 (EOD)<\/strong>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-016f75d elementor-widget elementor-widget-heading\" data-id=\"016f75d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">What This Means for Traders:<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-8402fcc elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"8402fcc\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-b0f5006\" data-id=\"b0f5006\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-811d638 elementor-widget elementor-widget-text-editor\" data-id=\"811d638\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Though it sounds technical, this revision has <strong>practical trading implications<\/strong>:<\/p><ol><li><strong>Lower Margins per Contract<\/strong><br \/>Smaller lot sizes mean a lower notional contract value, translating to reduced margin requirements. This can increase participation, particularly from retail traders.<\/li><li><strong>Simpler Position Sizing<\/strong><br \/>The reduction makes it easier to manage exposure. For example, instead of being locked into a 75-lot Nifty contract, traders can fine-tune exposure with 65-lot contracts.<\/li><li><strong>Portfolio Adjustments Ahead of Expiry<\/strong><br \/>Traders holding December and January positions need to plan ahead for the rollover &#8211; ensure your systems, hedges, and spreadsheets reflect the new lot counts.<\/li><li><strong>Stable Market Value Compliance<\/strong><br \/>SEBI\u2019s periodic review keeps derivatives consistent with market movement, avoiding oversized contracts that could distort liquidity or accessibility.<\/li><\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-c0f78a7 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"c0f78a7\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-9e3fd84\" data-id=\"9e3fd84\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-56ee021 elementor-widget elementor-widget-text-editor\" data-id=\"56ee021\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h1><strong>Download NOVO App!<\/strong><\/h1>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-68fa1b4 elementor-widget elementor-widget-text-editor\" data-id=\"68fa1b4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Invest in Zero-commission Direct Mutual funds,\u00a0<span style=\"font-family: Roboto, sans-serif; font-size: 16px; font-style: normal;\">IPO,<\/span><span style=\"font-family: Roboto, sans-serif; font-size: 16px; font-style: normal;\">\u00a0<\/span>Sovereign Gold bonds, Government bills, and Corporate bonds.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-ad18cf2 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"ad18cf2\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-e5c72c4\" data-id=\"e5c72c4\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c1b63d1 elementor-widget elementor-widget-image\" data-id=\"c1b63d1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/onelink.to\/449wqx\" target=\"_blank\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"252\" height=\"71\" src=\"https:\/\/flattrade.in\/kosh\/wp-content\/uploads\/2024\/01\/Novo-Play-store.webp\" class=\"attachment-medium size-medium wp-image-37217\" alt=\"\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-79fff2b\" data-id=\"79fff2b\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-d4fd02d elementor-widget elementor-widget-image\" data-id=\"d4fd02d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/onelink.to\/449wqx\" target=\"_blank\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"251\" height=\"69\" src=\"https:\/\/flattrade.in\/kosh\/wp-content\/uploads\/2024\/01\/Novo-App-Store.webp\" class=\"attachment-medium size-medium wp-image-37216\" alt=\"\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-7d3913a\" data-id=\"7d3913a\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c19ce2d elementor-invisible elementor-widget elementor-widget-image\" data-id=\"c19ce2d\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;tada&quot;}\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/onelink.to\/449wqx\" target=\"_blank\">\n\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"262\" height=\"300\" src=\"https:\/\/flattrade.in\/kosh\/wp-content\/uploads\/2024\/01\/Novo-Mobile-PNG-1-262x300.webp\" class=\"attachment-medium size-medium wp-image-37219\" alt=\"\" srcset=\"https:\/\/flattrade.in\/kosh\/wp-content\/uploads\/2024\/01\/Novo-Mobile-PNG-1-262x300.webp 262w, https:\/\/flattrade.in\/kosh\/wp-content\/uploads\/2024\/01\/Novo-Mobile-PNG-1-894x1024.webp 894w, https:\/\/flattrade.in\/kosh\/wp-content\/uploads\/2024\/01\/Novo-Mobile-PNG-1-768x880.webp 768w, https:\/\/flattrade.in\/kosh\/wp-content\/uploads\/2024\/01\/Novo-Mobile-PNG-1-1341x1536.webp 1341w, https:\/\/flattrade.in\/kosh\/wp-content\/uploads\/2024\/01\/Novo-Mobile-PNG-1-1787x2048.webp 1787w, https:\/\/flattrade.in\/kosh\/wp-content\/uploads\/2024\/01\/Novo-Mobile-PNG-1-450x516.webp 450w, https:\/\/flattrade.in\/kosh\/wp-content\/uploads\/2024\/01\/Novo-Mobile-PNG-1-780x894.webp 780w, https:\/\/flattrade.in\/kosh\/wp-content\/uploads\/2024\/01\/Novo-Mobile-PNG-1-1600x1833.webp 1600w, https:\/\/flattrade.in\/kosh\/wp-content\/uploads\/2024\/01\/Novo-Mobile-PNG-1.webp 1920w\" sizes=\"(max-width: 262px) 100vw, 262px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"The National Stock Exchange of India (NSE) has rolled out an important structural change for derivatives traders. On&hellip;","protected":false},"author":8,"featured_media":45947,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"csco_display_header_overlay":false,"csco_singular_sidebar":"","csco_page_header_type":"","csco_page_load_nextpost":"","csco_post_video_location":[],"csco_post_video_location_hash":"","csco_post_video_url":"","csco_post_video_bg_start_time":0,"csco_post_video_bg_end_time":0,"csco_post_video_bg_volume":false,"footnotes":""},"categories":[14],"tags":[],"class_list":{"0":"post-45940","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-announcements","8":"cs-entry","9":"cs-video-wrap"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>NSE Revises Derivative Lot Sizes: What Traders Need to Know Before October 28, 2025 - Flattrade Kosh<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/flattrade.in\/kosh\/nse-revises-derivatives\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"NSE Revises Derivative Lot Sizes: What Traders Need to Know Before October 28, 2025 - Flattrade Kosh\" \/>\n<meta property=\"og:description\" content=\"The National Stock Exchange of India (NSE) has rolled out an important structural change for derivatives traders. 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