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Contract OI history

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Oct 23, 2026 EXPIRATION

BAX $25.00 Call

BAX261023C00025000

Latest saved OI235Oct 23, 2026
Last change+4vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BAX $25.00 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. 2351170 2026-10-02: 132 OI2026-10-05: 146 OI2026-10-06: 167 OI2026-10-07: 187 OI2026-10-08: 188 OI2026-10-09: 188 OI2026-10-13: 188 OI2026-10-14: 191 OI2026-10-15: 230 OI2026-10-16: 230 OI2026-10-21: 231 OI2026-10-23: 235 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, 2026Viewing235+4
Oct 21, 2026231+1
Oct 16, 20262300
Oct 15, 2026230+39
Oct 14, 2026191+3
Oct 13, 20261880
Oct 09, 20261880
Oct 08, 2026188+1
Oct 07, 2026187+20
Oct 06, 2026167+21
Oct 05, 2026146+14
Oct 02, 2026132No prior observation