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Contract OI history

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Apr 16, 2027 EXPIRATION

BFLY $10.00 Call

BFLY270416C00010000

Latest saved OI1,197Oct 23, 2026
Last change-1vs 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. 1,3076530 2026-10-02: 1,288 OI2026-10-05: 1,288 OI2026-10-06: 1,298 OI2026-10-07: 1,307 OI2026-10-08: 1,306 OI2026-10-09: 1,256 OI2026-10-13: 1,259 OI2026-10-14: 1,265 OI2026-10-15: 1,264 OI2026-10-16: 1,290 OI2026-10-21: 1,198 OI2026-10-23: 1,197 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, 2026Viewing1,197-1
Oct 21, 20261,198-92
Oct 16, 20261,290+26
Oct 15, 20261,264-1
Oct 14, 20261,265+6
Oct 13, 20261,259+3
Oct 09, 20261,256-50
Oct 08, 20261,306-1
Oct 07, 20261,307+9
Oct 06, 20261,298+10
Oct 05, 20261,2880
Oct 02, 20261,288No prior observation