NSE weekly summary

NSE updates 17-23 August 2026: extra MWPL margin and ASM stages

NSE Clearing added a 15 percent exposure margin on concentrated MWPL names, rolled daily ASM and ESM lists, and relayed SEBI's bond platform changes.

The week in brief

What changed

6 points

01
NSE Clearing imposed an extra 15 percent exposure margin in equity derivatives where the top 10 clients hold more than 20 percent of a security's Market Wide Position Limit.
02
Daily Long-Term ASM, Short-Term ASM and ESM circulars moved named scrips into 50 or 100 percent margins and Trade-for-Trade where the framework requires it.
03
Members must follow SEBI's modified Online Bond Platform Provider rules, including IFSC-regulated products and specified tax-exempt bonds, with clear labelling of international instruments.
04
Because 26 August is a clearing holiday, NSE Invest will settle liquid and debt mutual-fund subscription money to AMCs on 27 August; other schemes follow the adjusted calendar.
05
Disaster-recovery mock trading ran on Saturday 22 August across capital market, F&O, currency, commodity, SLB, EGR, debt, eIPO and eOFS.
06
Members must apply UNSC ISIL and Al-Qaida list amendments under UAPA Section 51A and file Authorised Person inspection action-taken reports within two months of quarter-end.

Complied AI condensed the week's NSE records into the points above. Use the inline links to check each underlying update.