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Contract OI history

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Jan 21, 2028 EXPIRATION

BMRN $70.00 Call

BMRN280121C00070000

Latest saved OI347Oct 23, 2026
Last change-15vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
BMRN $70.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 3621810 2026-10-09: 360 OI2026-10-13: 360 OI2026-10-14: 355 OI2026-10-15: 355 OI2026-10-16: 357 OI2026-10-21: 362 OI2026-10-23: 347 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, 2026Viewing347-15
Oct 21, 2026362+5
Oct 16, 2026357+2
Oct 15, 20263550
Oct 14, 2026355-5
Oct 13, 20263600
Oct 09, 2026360No prior observation