NSE Surveillance has decided to shift 20 securities from Rolling segment (EQ/SM) to Trade for Trade segment (BE/ST) with a 5% price band effective May 19, 2026, as part of ongoing market safety review.
Impact
High
Severity
High
Justification
Directly affects trading and settlement methodology for 20 listed securities; no netting off allowed in T2T segment significantly impacts intraday traders and liquidity for the affected scrips effective May 19, 2026.
NSE Surveillance circular updating the list of symbols subject to the Reversal Trade Cancellation Mechanism (RTCM) for May 2026, covering series EQ, BE, BZ, SM, ST & SZ across approximately 175 designated securities.
Impact
Medium
Severity
Medium
Justification
Routine monthly update to the RTCM symbol list for May 2026 affecting ~175 smaller/mid-cap securities; important for trading members handling these stocks but limited broader market impact since Nifty 500 and NSE Clearing-approved securities are excluded.
NSE circular announcing new securities shortlisted under the Long-Term ASM Framework Stage-I effective April 23, 2026, along with the consolidated list of all securities currently under ASM surveillance.
Impact
High
Severity
High
Justification
Direct trading restrictions imposed on 5 securities under ASM framework; affects traders and investors holding these stocks with margin and settlement implications.
NSE announces addition of 3 securities to ST-ASM Stage-I and exclusion of 4 securities from the ASM Framework, effective April 01, 2026.
Impact
High
Severity
High
Justification
Directly affects trading conditions for 31 securities including notable names like IDBI Bank and JSW Holdings; ST-ASM inclusion imposes trading restrictions impacting liquidity and investor behavior.
NSE announces the list of securities subject to the Reversal Trade Cancellation Mechanism (RTCM) for April 2026, covering 300+ stocks under enhanced surveillance.
Impact
High
Severity
High
Justification
RTCM is an NSE surveillance measure that directly cancels reversal trades in listed securities. Inclusion in this list significantly restricts trading patterns for 300+ stocks in the cash market segment for April 2026, with immediate and direct impact on trading activity and liquidity for affected securities.
NSE circular announcing addition of 6 securities to ST-ASM Stage I and exclusion of 4 securities from the ASM framework, effective March 11, 2026.
Impact
High
Severity
High
Justification
Directly affects trading conditions for multiple listed securities; ST-ASM inclusion imposes margin and trading restrictions on affected stocks, significantly impacting traders and investors holding or tracking these securities.
BSE announces securities being added to, moved within, and removed from the Short Term 5/15/30 Days ASM Framework effective March 06, 2026. Eight securities are newly shortlisted and nine securities are moving out of the ST-ASM framework.
Impact
High
Severity
High
Justification
ST-ASM inclusion imposes trading restrictions and additional margins on affected securities, directly impacting investors and traders holding or planning to trade these stocks. Eight new securities are being added, affecting multiple listed companies.
NSE announces addition of 3 securities to ST-ASM Stage I and exclusion of 4 securities from the ASM framework effective March 06, 2026.
Impact
High
Severity
High
Justification
Directly affects trading conditions for multiple securities through enhanced surveillance measures; traders in affected stocks face margin and trading restrictions.
NSE announces addition of Dhanuka Infra Realty Limited to ST-ASM Stage I and exclusion of 6 securities from the ASM framework, effective March 05, 2026.
Impact
Medium
Severity
Medium
Justification
Routine ST-ASM update affecting a limited number of securities; one stock added to Stage I, six removed from the framework. Consolidated ASM list covers 30+ securities with trading restrictions impacting investors in those counters.
NSE announces new securities shortlisted under Short-Term ASM Framework Stage-I effective February 27, 2026, along with one exclusion and a consolidated list of all securities currently under ASM.
Impact
High
Severity
High
Justification
Directly affects trading conditions for multiple listed securities; ASM designation imposes trading restrictions and margin requirements on affected stocks, significantly impacting traders and investors holding these securities.