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Contract OI history

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Jan 21, 2028 EXPIRATION

BAX $12.50 Put

BAX280121P00012500

Latest saved OI956Oct 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 $12.50 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. 9564780 2026-10-02: 956 OI2026-10-05: 956 OI2026-10-06: 956 OI2026-10-07: 956 OI2026-10-08: 956 OI2026-10-09: 956 OI2026-10-13: 956 OI2026-10-14: 956 OI2026-10-15: 956 OI2026-10-16: 956 OI2026-10-21: 956 OI2026-10-23: 956 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, 2026Viewing9560
Oct 21, 20269560
Oct 16, 20269560
Oct 15, 20269560
Oct 14, 20269560
Oct 13, 20269560
Oct 09, 20269560
Oct 08, 20269560
Oct 07, 20269560
Oct 06, 20269560
Oct 05, 20269560
Oct 02, 2026956No prior observation