BSE updates 17-23 August 2026: surveillance stages and OBPP rules

BSE updated Long-Term and Short-Term ASM, ESM and GSM stage lists on successive sessions, with 100 percent margins, tighter price bands and Trade-to-Trade shifts, and added an unusual-price-movement measure from 24 August.

Trading members were told to comply with SEBI's 14 August circular modifying the Online Bond Platform Provider framework, including IFSC-regulated products and specified tax-exempt bonds.

BSE Clearing will accept Foreign Portfolio Investor Powers of Attorney signed with an Information Technology Act digital signature, matching SEBI's 20 August circular.

Intermediaries must screen accounts against UNSC ISIL (Da'esh) and Al-Qaida list amendments circulated for Section 51A of the UAPA.

Mock trading ran on Saturday 22 August across equity, derivatives, currency, commodity and EGR segments, with a BSECL SaaS business-continuity session the same day.

SAT stayed the debarment of Madhav Stock Vision Pvt. Ltd. and others after the full penalty and disgorgement were deposited; members must also file Authorised Person inspection action-taken reports within two months of quarter-end.