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Contract OI history

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Nov 20, 2026 EXPIRATION

HDB $25.00 Put

HDB261120P00025000

Latest saved OI43Oct 21, 2026
Last change+11vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HDB $25.00 put open interest history 10 saved observations from 2026-10-02 to 2026-10-21. Exact values and changes are listed in the table below. 43210 2026-10-02: 0 OI2026-10-05: 12 OI2026-10-06: 12 OI2026-10-07: 12 OI2026-10-08: 12 OI2026-10-09: 12 OI2026-10-13: 32 OI2026-10-14: 32 OI2026-10-16: 32 OI2026-10-21: 43 OI Oct 02, 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, 2026Viewing43+11
Oct 16, 2026320
Oct 14, 2026320
Oct 13, 202632+20
Oct 09, 2026120
Oct 08, 2026120
Oct 07, 2026120
Oct 06, 2026120
Oct 05, 202612+12
Oct 02, 20260No prior observation