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Contract OI history

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Nov 20, 2026 EXPIRATION

HRB $25.00 Put

HRB261120P00025000

Latest saved OI1,085Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HRB $25.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,1275630 2026-10-02: 1,127 OI2026-10-05: 1,127 OI2026-10-06: 1,127 OI2026-10-07: 1,085 OI2026-10-08: 1,085 OI2026-10-09: 1,085 OI2026-10-13: 1,085 OI2026-10-14: 1,085 OI2026-10-15: 1,085 OI2026-10-16: 1,085 OI2026-10-21: 1,085 OI2026-10-23: 1,085 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, 2026Viewing1,0850
Oct 21, 20261,0850
Oct 16, 20261,0850
Oct 15, 20261,0850
Oct 14, 20261,0850
Oct 13, 20261,0850
Oct 09, 20261,0850
Oct 08, 20261,0850
Oct 07, 20261,085-42
Oct 06, 20261,1270
Oct 05, 20261,1270
Oct 02, 20261,127No prior observation