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Contract OI history

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Jan 15, 2027 EXPIRATION

HDB $25.00 Put

HDB270115P00025000

Latest saved OI709Oct 21, 2026
Last change-19vs 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. 7283640 2026-10-02: 658 OI2026-10-05: 658 OI2026-10-06: 658 OI2026-10-07: 658 OI2026-10-08: 655 OI2026-10-09: 655 OI2026-10-13: 728 OI2026-10-14: 728 OI2026-10-16: 728 OI2026-10-21: 709 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, 2026Viewing709-19
Oct 16, 20267280
Oct 14, 20267280
Oct 13, 2026728+73
Oct 09, 20266550
Oct 08, 2026655-3
Oct 07, 20266580
Oct 06, 20266580
Oct 05, 20266580
Oct 02, 2026658No prior observation