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Contract OI history

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Dec 18, 2026 EXPIRATION

HDB $22.50 Put

HDB261218P00022500

Latest saved OI195Oct 21, 2026
Last change+195vs previous saved observation
Saved market days2Oct 16, 2026 onwards
Daily open interest Hover a point for its date and OI
HDB $22.50 put open interest history 2 saved observations from 2026-10-16 to 2026-10-21. Exact values and changes are listed in the table below. 195970 2026-10-16: 0 OI2026-10-21: 195 OI Oct 16, 2026Oct 21, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

HDB contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 21, 2026Viewing195+195
Oct 16, 20260No prior observation