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Contract OI history

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Apr 16, 2027 EXPIRATION

HDB $27.50 Call

HDB270416C00027500

Latest saved OI105Oct 21, 2026
Last change+20vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HDB $27.50 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. 105520 2026-10-02: 38 OI2026-10-05: 38 OI2026-10-06: 86 OI2026-10-07: 86 OI2026-10-08: 86 OI2026-10-09: 86 OI2026-10-13: 85 OI2026-10-14: 85 OI2026-10-16: 85 OI2026-10-21: 105 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, 2026Viewing105+20
Oct 16, 2026850
Oct 14, 2026850
Oct 13, 202685-1
Oct 09, 2026860
Oct 08, 2026860
Oct 07, 2026860
Oct 06, 202686+48
Oct 05, 2026380
Oct 02, 202638No prior observation