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Contract OI history

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Nov 20, 2026 EXPIRATION

BAX $20.00 Put

BAX261120P00020000

Latest saved OI382Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BAX $20.00 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. 3851920 2026-10-02: 377 OI2026-10-05: 377 OI2026-10-06: 374 OI2026-10-07: 384 OI2026-10-08: 385 OI2026-10-09: 385 OI2026-10-13: 385 OI2026-10-14: 385 OI2026-10-15: 385 OI2026-10-16: 384 OI2026-10-21: 382 OI2026-10-23: 382 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, 2026Viewing3820
Oct 21, 2026382-2
Oct 16, 2026384-1
Oct 15, 20263850
Oct 14, 20263850
Oct 13, 20263850
Oct 09, 20263850
Oct 08, 2026385+1
Oct 07, 2026384+10
Oct 06, 2026374-3
Oct 05, 20263770
Oct 02, 2026377No prior observation