BSE: SEBI Set to Issue Circular on Fixed F&O Expiry Days - NSE & BSE to Decide Tuesday or Thursday - CNBCTV18 CITING SOURCES 17 Circular Imminent: SEBI expected to release final circular today on standardized expiry days for equity derivatives Deadline Met: Exchanges had until June 15 to submit their preferred choice of Tuesday or Thursday Volatility Control: Aims to reduce expiry-day spikes and improve market stability Competition Balance: If NSE opts for Tuesday, it could challenge BSE's current lead in F&O Activity Regulatory Oversight: Any future change in expiry days will require SEBI's pre-approval. Impact: Positive for Investors & Market: Simplifies expiry structure, reduces confusion and risk. Neutral to Slightly Positive for Exchanges: Offers clarity and leveled playing field; short-term adjustment needed. Mixed for Brokers/Algo Traders: Strategy recalibration required; potential liquidity shifts.