BSE unveils new price band framework; changes expiry dates for Sensex and Bankex

The Bombay Stock Exchange (BSE) has introduced a long-duration terms set framework, complementing its existing regular terms set mechanism. The caller model applies to securities exclusively listed connected BSE platforms, including SME and SME ITP platforms.

Price set revisions
The regular terms bands stay astatine 20%, 10%, 5%, oregon 2%, depending connected pre-determined criteria. The long-duration model allows:

• 20% set stocks: Movement up to 60% weekly, 100% monthly, 200% quarterly, and 400% annually.
• 10% set stocks: Movement up to 30% weekly, 60% monthly, 100% quarterly, and 200% annually.
• 5% set stocks: Movement up to 20% weekly, 30% monthly, 60% quarterly, and 100% annually.
• 2% set stocks: Movement up to 10% weekly, 20% monthly, 30% quarterly, and 50% annually.

This update aims to curb excessive volatility and guarantee businesslike hazard management.

Changes successful expiry dates for derivatives contracts
Effective January 1, 2025, BSE volition revise the expiry dates for Sensex and Bankex contracts:

• Sensex play expiry: Shifted from Friday to Tuesday.
• Bankex monthly expiry: Changed to the past Tuesday of the period (previously, the past Monday of the archetypal month).
• Sensex monthly expiry: Moved to the past Tuesday of the period (previously, the past Friday of the archetypal month).

SEBI's caller interoperability rules
The Securities and Exchange Board of India (SEBI) has mandated true interoperability betwixt exchanges:

• In lawsuit of method issues, BSE-listed shares tin commercialized connected NSE and vice versa.
• Exchanges volition support reserve lists for stocks listed connected the different exchange.
• Positions successful derivatives and indices tin present beryllium offset, including for highly correlated indices, enabling amended hedging.

Exchanges indispensable notify counterpart exchanges of immoderate issues wrong 75 minutes, ensuring marketplace stableness and continuity.

These updates item BSE’s absorption connected improving marketplace ratio and aligning with SEBI’s regulatory framework.