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Contract OI history

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Apr 16, 2027 EXPIRATION

BMA $50.00 Put

BMA270416P00050000

Latest saved OI214Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BMA $50.00 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. 2141070 2026-10-02: 10 OI2026-10-05: 10 OI2026-10-06: 10 OI2026-10-07: 10 OI2026-10-08: 10 OI2026-10-09: 10 OI2026-10-13: 10 OI2026-10-14: 10 OI2026-10-16: 212 OI2026-10-21: 214 OI2026-10-23: 214 OI Oct 02, 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, 2026Viewing2140
Oct 21, 2026214+2
Oct 16, 2026212+202
Oct 14, 2026100
Oct 13, 2026100
Oct 09, 2026100
Oct 08, 2026100
Oct 07, 2026100
Oct 06, 2026100
Oct 05, 2026100
Oct 02, 202610No prior observation