OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

BAX $17.50 Call

BAX280121C00017500

Latest saved OI924Oct 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 $17.50 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. 9244620 2026-10-02: 924 OI2026-10-05: 924 OI2026-10-06: 924 OI2026-10-07: 924 OI2026-10-08: 924 OI2026-10-09: 924 OI2026-10-13: 924 OI2026-10-14: 924 OI2026-10-15: 924 OI2026-10-16: 924 OI2026-10-21: 924 OI2026-10-23: 924 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, 2026Viewing9240
Oct 21, 20269240
Oct 16, 20269240
Oct 15, 20269240
Oct 14, 20269240
Oct 13, 20269240
Oct 09, 20269240
Oct 08, 20269240
Oct 07, 20269240
Oct 06, 20269240
Oct 05, 20269240
Oct 02, 2026924No prior observation