The end of Bank Nifty weekly contract, among Sebi's changes to F&O rules, are expected to impact trading volumes and could alter trading behaviour, with experts forecasting both immediate and long-term shifts.

The Securities and Exchange Board of India (SEBI) is implementing new regulations that limit weekly expiry options contracts to just one per exchange. This change will impact Nifty Bank, which previously had weekly expiries and was popular among retail traders.

India's largest options contract Nifty Bank will have its last weekly expiry today; What it means for investors and traders