SEBI / SURVEILLANCE v4.2
Closing Auction Price Discovery & Surveillance Simulator
Representative: Institutional Close & Suspect Layering
Genuine Institutional Rebalance (Clean)
Extreme Paint-the-Close Ramp
Wash Imbalance & Late Cutoff
Reset Engine
Export Forensic JSON
Export CSV
Equilibrium Price (₹)
₹1,455.00
Cleared Volume
30,000
Continuous LTP Dev
+34.48 bps
Net Unmatched Imbalance
5,000 BUY
Surveillance Risk Tier
ELEVATED_ENFORCEMENT
Cumulative Auction Book Uncrossing Curve
Continuous LTP:
₹1,450.00
| Rule: Max Volume → Min Imbalance → Closest to LTP
Scrub Suspect Bid Qty (ORD-05):
35,000
Auction Limit Order Book
Toggle or modify participant orders in real time
ID
Side
Participant
Price (₹)
Qty
Time (s)
Typology
Action
BUY
SELL
GENUINE
SUSPECT_LAYER
+ Add Order
Surveillance Telemetry
OTR: 4.8x
Order-to-Trade Ratio (OTR)
4.80
Bid Concentration Index
58.3%
Late Window Order Acc. (>400s)
35,000 shares
Flagged Microstructure Flags
3 Detected
Price Candidate Discovery Grid
Price
Demand
Supply
Match Vol
Imbalance
Equilibrium Rule:
Price that maximizes matched volume. In tie, minimizes absolute imbalance. In secondary tie, chooses price closest to continuous LTP (₹1,450.00).
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