BSE updates 31 August-6 September 2026: ETF norms and CAS rules

BSE moved securities through LT-ASM, ST-ASM, ESM and GSM stages and reset price bands. Members must apply the listed margins and trade-for-trade restrictions on the named scrips.

SEBI ETF norms on base price, price bands, pre-open call auction and close-out now take effect on 7 September. Overnight and liquid ETF shortages that cannot be auctioned close out at the higher of the highest cross-exchange price or 5 percent above the auction-day settlement price.

Closing Auction Session SOP now covers index futures as well as stock futures, with a plus or minus 3 percent band from 3:15 p.m. to 3:40 p.m., effective 7 September.

Software vendors supplying ETI, IBT, STWT, API and back-office systems must obtain STQC under SEBI CSCRF. Existing vendors must file certificates by 28 February 2027.

Investment Advisers and Research Analysts must complete the FY 2025-26 annual compliance audit by 30 September. File reports only through the exchange portal once it opens.

Trading members must file the digital-platform accessibility audit and remediation report on BEFS by 31 October.