Articles in “Surveillance” category
11 articles.
2026 (11)
- How to find the list of scrips where MIS, cover orders or trading is restricted
Zerodha publishes a consolidated scrip-restriction file and the exchanges run GSM, ASM, ESM and T2T lists. Here is where each list lives and how to check before …
- ASM (Additional Surveillance Measure) on Zerodha
ASM (Additional Surveillance Measure) explained for Zerodha clients. Covers the framework, restrictions, and effect on trading. Cross-references the detailed …
- ASM and GSM frameworks explained
SEBI's Additional Surveillance Measure (ASM) and Graded Surveillance Measure (GSM) frameworks restrict trading on scrips showing unusual price or volume …
- ASM stages 1 to 4 explained
The 4 stages of Long-term ASM and the escalating restrictions at each. Cross-references the detailed long-term ASM article.
- GSM (Graded Surveillance Measure) on Zerodha
GSM (Graded Surveillance Measure) explained for Zerodha clients. Differs from ASM in focusing on fundamental quality concerns rather than price-volume patterns.
- GSM stage 2+ restrictions
Specific restrictions on scrips at GSM stage 2 and above on NSE / BSE. Covers margin, settlement, and trading limitations.
- Long-term ASM Stage 1 to 4
Long-term ASM has 4 escalating stages with increasing trading restrictions. Explains each stage's triggers, restrictions, and the typical timeline for moving …
- Periodic Call Auction stocks
Periodic Call Auction (PCA) is a discrete-interval matching mechanism for thinly traded or heavily surveilled stocks. Explains the matching schedule, the …
- Short-term ASM
Short-term ASM (ST-ASM) triggers on acute single-day or short-window price moves, imposing tighter price bands and 100% upfront margin for a short observation …
- Surveillance measures and trading risks
A summary of SEBI / exchange surveillance measures (ASM, GSM, T2T, PCA, circuit) and the trading risks each creates.
- Trade-to-Trade segment rules
The Trade-to-Trade (T2T) segment requires every trade to result in delivery. Explains the T2T rules, the scrips covered, and how it differs from normal rolling …