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Contract OI history

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Apr 16, 2027 EXPIRATION

HDB $25.00 Call

HDB270416C00025000

Latest saved OI409Oct 21, 2026
Last change-4vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HDB $25.00 call open interest history 10 saved observations from 2026-10-02 to 2026-10-21. Exact values and changes are listed in the table below. 4132060 2026-10-02: 216 OI2026-10-05: 241 OI2026-10-06: 251 OI2026-10-07: 251 OI2026-10-08: 251 OI2026-10-09: 251 OI2026-10-13: 251 OI2026-10-14: 251 OI2026-10-16: 413 OI2026-10-21: 409 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, 2026Viewing409-4
Oct 16, 2026413+162
Oct 14, 20262510
Oct 13, 20262510
Oct 09, 20262510
Oct 08, 20262510
Oct 07, 20262510
Oct 06, 2026251+10
Oct 05, 2026241+25
Oct 02, 2026216No prior observation