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Contract OI history

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Nov 20, 2026 EXPIRATION

HRB $45.00 Call

HRB261120C00045000

Latest saved OI517Oct 23, 2026
Last change-3vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HRB $45.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 5652820 2026-10-02: 451 OI2026-10-05: 461 OI2026-10-06: 465 OI2026-10-07: 472 OI2026-10-08: 508 OI2026-10-09: 535 OI2026-10-13: 541 OI2026-10-14: 565 OI2026-10-15: 563 OI2026-10-16: 550 OI2026-10-21: 520 OI2026-10-23: 517 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

HRB contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing517-3
Oct 21, 2026520-30
Oct 16, 2026550-13
Oct 15, 2026563-2
Oct 14, 2026565+24
Oct 13, 2026541+6
Oct 09, 2026535+27
Oct 08, 2026508+36
Oct 07, 2026472+7
Oct 06, 2026465+4
Oct 05, 2026461+10
Oct 02, 2026451No prior observation