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Contract OI history

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Nov 20, 2026 EXPIRATION

BAX $25.00 Put

BAX261120P00025000

Latest saved OI1,180Oct 23, 2026
Last change+15vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BAX $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. 1,1805900 2026-10-02: 1,142 OI2026-10-05: 1,142 OI2026-10-06: 1,144 OI2026-10-07: 1,144 OI2026-10-08: 1,145 OI2026-10-09: 1,145 OI2026-10-13: 1,128 OI2026-10-14: 1,128 OI2026-10-15: 1,124 OI2026-10-16: 1,123 OI2026-10-21: 1,165 OI2026-10-23: 1,180 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, 2026Viewing1,180+15
Oct 21, 20261,165+42
Oct 16, 20261,123-1
Oct 15, 20261,124-4
Oct 14, 20261,1280
Oct 13, 20261,128-17
Oct 09, 20261,1450
Oct 08, 20261,145+1
Oct 07, 20261,1440
Oct 06, 20261,144+2
Oct 05, 20261,1420
Oct 02, 20261,142No prior observation