OI Heatmap

Open interest, build-up & flow by strike

Select an underlying & expiry, then Load.

Support / Resistance

Load a chain to detect zones.

OI Shift Tracker

Need ≥2 captures to track shifts. Snapshots are saved automatically (~2 min throttle) whenever the chain is loaded — reload over time to build history for NIFTY.

Build-up Analytics

Load a chain to view build-up.

IV + OI Analysis

Load a chain to classify activity.

Institutional Activity

Load a chain to detect unusual activity.

Historical Replay

15:30

Pick a past date & expiry, then scrub the clock to replay OI evolution.

Market Structure Summary

Load a chain to view the summary.