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Contract OI history

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Nov 20, 2026 EXPIRATION

HRB $50.00 Call

HRB261120C00050000

Latest saved OI553Oct 23, 2026
Last change+9vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HRB $50.00 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. 5532760 2026-10-02: 384 OI2026-10-05: 402 OI2026-10-06: 407 OI2026-10-07: 407 OI2026-10-08: 408 OI2026-10-09: 412 OI2026-10-13: 412 OI2026-10-14: 413 OI2026-10-15: 423 OI2026-10-16: 426 OI2026-10-21: 544 OI2026-10-23: 553 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, 2026Viewing553+9
Oct 21, 2026544+118
Oct 16, 2026426+3
Oct 15, 2026423+10
Oct 14, 2026413+1
Oct 13, 20264120
Oct 09, 2026412+4
Oct 08, 2026408+1
Oct 07, 20264070
Oct 06, 2026407+5
Oct 05, 2026402+18
Oct 02, 2026384No prior observation