NSE weekly summary

NSE updates 7-13 September 2026: OTP login, commodity limits

NSE introduced new clearing access controls, commodity risk rules and client-data validations alongside October calendars.

The week in brief

What changed

6 points

01
NCMS 4.2.5 adds OTP-based two-factor authentication across key clearing segments from 15 September; four invalid OTPs disable the user ID.
02
Commodity margins change from 1 October, while revised position limits add capped penalties and next-day excess reduction.
03
Enhanced Unique Client Code validations go live on 9 October; members must update and test client-data systems.
04
Members must report client collateral daily even when no margin is due; non-reporting can attract penalties.
05
Nifty 50 dissemination speeds up from 250 milliseconds to 100 milliseconds, and three stocks receive new futures and options contracts.
06
October settlement calendars were issued for EGR, debt and commodity delivery, including GST invoice and reporting dates.

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