Description
NSE consolidates all circulars issued by its Surveillance and Investigation Department into a single reference document covering surveillance measures, trading obligations, and penalty structures for members.
Summary
NSE’s Surveillance and Investigation Department has issued a consolidated master circular (NSE/SURV/74008, Circular Ref. No. 313/2026, dated April 30, 2026) combining all previously issued circulars into a single reference document. This supersedes and consolidates over 26 subject areas across surveillance policy and operational matters applicable to all NSE members.
Key Points
- All prior circulars from the Surveillance and Investigation Department are consolidated into this single document
- Covers both equity and derivatives segments including equity, commodity derivatives, and currency derivatives
- Applicable to all NSE trading members
- Contact for Surveillance queries: surveillance@nse.co.in
- Contact for Investigation queries: dl-invsg-all@nse.co.in
- Signed by Amit Shinde, Chief Manager, NSE
Regulatory Changes
This is a consolidation circular and does not introduce new regulations. It brings together the following key regulatory frameworks under one document:
- Periodic Call Auction Session for illiquid securities (NSE/CMTR/23063, March 26, 2013)
- Graded Surveillance Measure (GSM) with updates through September 2024 and July 2025 (NSE/SURV/38389 and subsequent)
- Enhanced Surveillance Measure (ESM) with multiple updates through September 2024 (NSE/SURV/42790 and subsequent)
- Long Term Additional Surveillance Measure (NSE/SURV/59425 and subsequent)
- Short Term Additional Surveillance Measure (NSE/SURV/64066 and subsequent)
- Trade for Trade periodic review framework (NSE/SURV/56948 and subsequent)
- Insolvency and Bankruptcy Code applicability (NSE/SURV/63361)
- High Promoter Encumbrance measures per SEBI SAST Regulation 2011 Reg. 28(3) (NSE/SURV/39265 and subsequent)
- High Promoter Pledge surveillance measures (NSE/SURV/46557 and subsequent)
- Low Non-Promoter Holding surveillance (NSE/SURV/33844 and subsequent)
- Inter Creditor Agreement framework (NSE/SURV/51189)
- Surveillance Indicator updates (NSE/SURV/52368, 54513, 55831, 57110)
- Deep Out-of-The-Money (OTM) Contracts surveillance (NSE/SURV/42382)
- Member Surveillance Dashboard (NSE/SURV/44477)
- Surveillance Obligation – Quarterly Reporting by trading members (NSE/SURV/48818, 49765)
- High Order to Trade Ratio (OTR) measures (NSE/SURV/45016 and subsequent, updated February 2026 and April 2026)
- Order Based Surveillance Measure – Persistent Noise Creators (NSE/SURV/52992)
- Monitoring of Foreign Investment Limits in listed Indian companies (NSE/SURV/37906 and subsequent)
- Unique Identifier for Algorithms (NSE/SURV/39958 and subsequent)
- Position Limits in Equity Index Derivatives (NSE/SURV/43915 and subsequent)
- Placing Orders at Fair Prices (NSE/SURV/55281)
- Additional Surveillance Margin for Order Spoofing (NSE/SURV/41107)
- Consolidated Penalty Structure for Surveillance (NSE/SURV/57315)
Compliance Requirements
- All NSE trading members must treat this consolidated circular as the definitive reference for Surveillance and Investigation department policy
- Members are required to comply with all embedded frameworks including quarterly surveillance obligation reporting, OTR thresholds, algorithm identifier registration, and position limit adherence
- Members must adhere to the updated High OTR framework including circulars as recently updated in February 2026 (NSE/SURV/72668) and April 2026 (NSE/SURV/73597)
- Members must observe fair price order placement requirements and avoid order spoofing practices
- Promoter pledge and encumbrance monitoring obligations remain in force per SEBI SAST Regulation 2011
Important Dates
- April 30, 2026: Date of this consolidated circular
- Most recent embedded update: April 2, 2026 (NSE/SURV/73597 – High OTR update)
- Second most recent embedded update: February 6, 2026 (NSE/SURV/72668 – High OTR update)
- September 5, 2025: GSM update (NSE/SURV/70074)
- All prior circulars referenced within remain effective as consolidated herein
Impact Assessment
This master circular has broad and significant impact on all NSE trading members. By consolidating 26+ subject areas into one authoritative document, NSE simplifies compliance reference while affirming that all prior surveillance obligations remain active. The inclusion of two 2026 updates (February and April) to the High OTR framework signals continued regulatory focus on algorithmic and high-frequency trading practices. Members involved in proprietary trading, algorithmic strategies, or holding securities under GSM/ESM should review the consolidated document thoroughly. No new obligations are introduced, but members should ensure their compliance programs reflect all embedded measures, particularly the most recently updated OTR and surveillance indicator frameworks.
Impact Justification
Master circular consolidating all NSE Surveillance and Investigation Department circulars into one reference document; applicable to all NSE trading members and covers a broad range of critical compliance obligations including GSM, ESM, OTR, algo identifiers, position limits, and penalty structures.