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Indian Market & Quant Regulatory Wire

Curated exclusively for algorithmic trading developers, quantitative researchers, and intraday MIS/F&O traders. Track margin frameworks, lot size revisions, tick-by-tick feed rules, and exchange compliance directives without sensational news or stock tips.

All Directives ⚡ F&O Lot Sizes & Expiries 🏛️ Pre-Open & Price Discovery 🛡️ Circuit Breakers & Halts 🤖 Algorithmic Trading & SEBI Master 📋 Exchange Communication
NSE F&O
Effective: 20 November 2024

NSE Nifty 50 Derivative Contract Specifications & Calibrated Lot Sizes

Official Reference: NSE-FAOP-NIFTY50-LOTS
Technical & Microstructure Impact:
  • •Nifty 50 futures and options contract specifications, tick size (0.05 index points), and permitted strike intervals.
  • •Calibrated lot sizes designed to satisfy exchange minimum notional contract value guidelines (₹15 Lakhs to ₹20 Lakhs).
  • •Weekly contract expiration schedule rationalized to benchmark Thursday expiries.
  • •Order-level maximum quantity freeze thresholds established to prevent aberrant algorithm market impact.
Source: Official NSE Portal Read Official Circular ↗
NSE F&O
Effective: 01 November 2024

Equity Derivatives (F&O) Trading, Settlement & Margin Architecture

Official Reference: NSE-FAOP-FRAMEWORK-2024
Technical & Microstructure Impact:
  • •Comprehensive specification of exchange matching, physical settlement, and clearing obligations for equity futures and options.
  • •Real-time initial margin computation using SPAN (Standard Portfolio Analysis of Risk) architecture plus mandatory Exposure Margin.
  • •Cross-margining benefits applied across correlated index derivatives and constituent equity cash basket hedges.
  • •Mandatory physical delivery settlement for all expiring stock derivatives contracts upon expiry date.
Source: Official NSE Portal Read Official Circular ↗