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Contract OI history

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Nov 20, 2026 EXPIRATION

BAM $37.50 Put

BAM261120P00037500

Latest saved OI147Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BAM $37.50 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. 162810 2026-10-02: 160 OI2026-10-05: 161 OI2026-10-06: 161 OI2026-10-07: 162 OI2026-10-08: 162 OI2026-10-09: 139 OI2026-10-13: 141 OI2026-10-14: 147 OI2026-10-16: 146 OI2026-10-20: 147 OI2026-10-23: 147 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, 2026Viewing1470
Oct 20, 2026147+1
Oct 16, 2026146-1
Oct 14, 2026147+6
Oct 13, 2026141+2
Oct 09, 2026139-23
Oct 08, 20261620
Oct 07, 2026162+1
Oct 06, 20261610
Oct 05, 2026161+1
Oct 02, 2026160No prior observation