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Contract OI history

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Jan 15, 2027 EXPIRATION

BAM $42.50 Put

BAM270115P00042500

Latest saved OI5,142Oct 23, 2026
Last change-1vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BAM $42.50 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 5,1532,5760 2026-10-02: 5,153 OI2026-10-05: 5,149 OI2026-10-06: 5,148 OI2026-10-07: 5,148 OI2026-10-08: 5,148 OI2026-10-09: 5,148 OI2026-10-13: 5,145 OI2026-10-14: 5,143 OI2026-10-16: 5,143 OI2026-10-20: 5,143 OI2026-10-23: 5,142 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

BAM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing5,142-1
Oct 20, 20265,1430
Oct 16, 20265,1430
Oct 14, 20265,143-2
Oct 13, 20265,145-3
Oct 09, 20265,1480
Oct 08, 20265,1480
Oct 07, 20265,1480
Oct 06, 20265,148-1
Oct 05, 20265,149-4
Oct 02, 20265,153No prior observation