Sebi's board decisions aim to boost price discovery and liquidity at market extremities. The pre-open session standardizes opening trades via call auction, mirroring F&O practices for equity cash. CAS introduces a structured close, replacing volatility-prone methods with auction-based equilibrium pricing.
Key Highlights
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Pre-open session fixed at 15 minutes, 9:00 a.m. to 9:15 a.m.
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CAS implemented as separate 20-minute session, 3:15 p.m. to 3:35 p.m. on all trading days
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Phased rollout for CAS applicability across segments
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Price band in CAS at +/-3% from reference price
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Stock futures price band aligns with CAS band from 3:15 p.m. to 3:40 p.m.
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Closing prices for cash stocks with derivatives determined via CAS
Sources: SEBI official announcements, NSE India, ScanX
Sources: SEBI official announcements, NSE India, ScanXSebi's board decisions aim to boost price discovery and liquidity at market extremities. The pre-open session standardizes opening trades via call auction, mirroring F&O practices for equity cash. CAS introduces a structured close, replacing volatility-prone methods with auction-based equilibrium pricing.
Key Highlights
Pre-open session fixed at 15 minutes, 9:00 a.m. to 9:15 a.m.
CAS implemented as separate 20-minute session, 3:15 p.m. to 3:35 p.m. on all trading days
Phased rollout for CAS applicability across segments
Price band in CAS at +/-3% from reference price
Stock futures price band aligns with CAS band from 3:15 p.m. to 3:40 p.m.
Closing prices for cash stocks with derivatives determined via CAS
Sources: SEBI official announcements, NSE India, ScanX