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Contract OI history

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Jan 15, 2027 EXPIRATION

HDB $27.50 Call

HDB270115C00027500

Latest saved OI423Oct 21, 2026
Last change+12vs 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. 4232110 2026-10-02: 247 OI2026-10-05: 247 OI2026-10-06: 247 OI2026-10-07: 247 OI2026-10-08: 248 OI2026-10-09: 248 OI2026-10-13: 411 OI2026-10-14: 411 OI2026-10-16: 411 OI2026-10-21: 423 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, 2026Viewing423+12
Oct 16, 20264110
Oct 14, 20264110
Oct 13, 2026411+163
Oct 09, 20262480
Oct 08, 2026248+1
Oct 07, 20262470
Oct 06, 20262470
Oct 05, 20262470
Oct 02, 2026247No prior observation