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Contract OI history

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Jan 15, 2027 EXPIRATION

BFLY $10.00 Call

BFLY270115C00010000

Latest saved OI8,232Oct 23, 2026
Last change+20vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BFLY $10.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 8,2324,1160 2026-10-02: 6,266 OI2026-10-05: 6,380 OI2026-10-06: 6,397 OI2026-10-07: 6,648 OI2026-10-08: 6,885 OI2026-10-09: 7,981 OI2026-10-13: 8,030 OI2026-10-14: 8,082 OI2026-10-15: 8,096 OI2026-10-16: 8,091 OI2026-10-21: 8,212 OI2026-10-23: 8,232 OI Oct 02, 2026Oct 23, 2026

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

BFLY contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing8,232+20
Oct 21, 20268,212+121
Oct 16, 20268,091-5
Oct 15, 20268,096+14
Oct 14, 20268,082+52
Oct 13, 20268,030+49
Oct 09, 20267,981+1,096
Oct 08, 20266,885+237
Oct 07, 20266,648+251
Oct 06, 20266,397+17
Oct 05, 20266,380+114
Oct 02, 20266,266No prior observation