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Contract OI history

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Dec 18, 2026 EXPIRATION

BAX $30.00 Call

BAX261218C00030000

Latest saved OI609Oct 23, 2026
Last change+23vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BAX $30.00 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. 6093040 2026-10-02: 580 OI2026-10-05: 580 OI2026-10-06: 580 OI2026-10-07: 587 OI2026-10-08: 587 OI2026-10-09: 586 OI2026-10-13: 580 OI2026-10-14: 580 OI2026-10-15: 580 OI2026-10-16: 584 OI2026-10-21: 586 OI2026-10-23: 609 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, 2026Viewing609+23
Oct 21, 2026586+2
Oct 16, 2026584+4
Oct 15, 20265800
Oct 14, 20265800
Oct 13, 2026580-6
Oct 09, 2026586-1
Oct 08, 20265870
Oct 07, 2026587+7
Oct 06, 20265800
Oct 05, 20265800
Oct 02, 2026580No prior observation