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Contract OI history

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Apr 16, 2027 EXPIRATION

BMRN $65.00 Put

BMRN270416P00065000

Latest saved OI309Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
BMRN $65.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 3091540 2026-10-09: 9 OI2026-10-13: 9 OI2026-10-14: 9 OI2026-10-15: 9 OI2026-10-16: 309 OI2026-10-21: 309 OI2026-10-23: 309 OI Oct 09, 2026Oct 23, 2026

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

BMRN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing3090
Oct 21, 20263090
Oct 16, 2026309+300
Oct 15, 202690
Oct 14, 202690
Oct 13, 202690
Oct 09, 20269No prior observation