Markets Premium Sebi may cut non-expiry day margins to boost longer-term derivatives trading Ram Sahgal , Apoorva Ajith 3 min read 13 Dec 2025, 01:28 pm IST Indian exchanges require brokers to post both SPAN (standard portfolio analysis of risk) margin and extreme loss margin (ELM) to cover derivative positions. Summary This move could deepen the derivatives markets, where most of the trading by large, high-frequency and proprietary traders as well as individual investors takes place on weekly option contracts' expiry. Gift this article This is a Mint Premium article gifted to you.