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Contract OI history

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Jan 15, 2027 EXPIRATION

BMA $35.00 Put

BMA270115P00035000

Latest saved OI10Oct 23, 2026
Last change+1vs previous saved observation
Saved market days9Oct 06, 2026 onwards
Daily open interest Hover a point for its date and OI
BMA $35.00 put open interest history 9 saved observations from 2026-10-06 to 2026-10-23. Exact values and changes are listed in the table below. 1050 2026-10-06: 0 OI2026-10-07: 2 OI2026-10-08: 2 OI2026-10-09: 3 OI2026-10-13: 4 OI2026-10-14: 5 OI2026-10-16: 6 OI2026-10-21: 9 OI2026-10-23: 10 OI Oct 06, 2026Oct 23, 2026

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

BMA contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing10+1
Oct 21, 20269+3
Oct 16, 20266+1
Oct 14, 20265+1
Oct 13, 20264+1
Oct 09, 20263+1
Oct 08, 202620
Oct 07, 20262+2
Oct 06, 20260No prior observation