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Contract OI history

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Jan 21, 2028 EXPIRATION

BAX $35.00 Call

BAX280121C00035000

Latest saved OI850Oct 23, 2026
Last change+10vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BAX $35.00 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. 8504250 2026-10-02: 831 OI2026-10-05: 831 OI2026-10-06: 830 OI2026-10-07: 840 OI2026-10-08: 840 OI2026-10-09: 840 OI2026-10-13: 840 OI2026-10-14: 840 OI2026-10-15: 840 OI2026-10-16: 840 OI2026-10-21: 840 OI2026-10-23: 850 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, 2026Viewing850+10
Oct 21, 20268400
Oct 16, 20268400
Oct 15, 20268400
Oct 14, 20268400
Oct 13, 20268400
Oct 09, 20268400
Oct 08, 20268400
Oct 07, 2026840+10
Oct 06, 2026830-1
Oct 05, 20268310
Oct 02, 2026831No prior observation