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Contract OI history

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Nov 20, 2026 EXPIRATION

BAX $22.50 Put

BAX261120P00022500

Latest saved OI546Oct 23, 2026
Last change+98vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BAX $22.50 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. 5462730 2026-10-02: 263 OI2026-10-05: 273 OI2026-10-06: 274 OI2026-10-07: 284 OI2026-10-08: 334 OI2026-10-09: 334 OI2026-10-13: 339 OI2026-10-14: 334 OI2026-10-15: 335 OI2026-10-16: 344 OI2026-10-21: 448 OI2026-10-23: 546 OI Oct 02, 2026Oct 23, 2026

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

BAX contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing546+98
Oct 21, 2026448+104
Oct 16, 2026344+9
Oct 15, 2026335+1
Oct 14, 2026334-5
Oct 13, 2026339+5
Oct 09, 20263340
Oct 08, 2026334+50
Oct 07, 2026284+10
Oct 06, 2026274+1
Oct 05, 2026273+10
Oct 02, 2026263No prior observation