OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

BMRN $50.00 Put

BMRN270115P00050000

Latest saved OI1,094Oct 23, 2026
Last change-5vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
BMRN $50.00 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. 1,0995490 2026-10-09: 1,098 OI2026-10-13: 1,099 OI2026-10-14: 1,099 OI2026-10-15: 1,099 OI2026-10-16: 1,099 OI2026-10-21: 1,099 OI2026-10-23: 1,094 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, 2026Viewing1,094-5
Oct 21, 20261,0990
Oct 16, 20261,0990
Oct 15, 20261,0990
Oct 14, 20261,0990
Oct 13, 20261,099+1
Oct 09, 20261,098No prior observation