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Contract OI history

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Apr 16, 2027 EXPIRATION

BFLY $12.50 Call

BFLY270416C00012500

Latest saved OI246Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BFLY $12.50 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. 2461230 2026-10-02: 53 OI2026-10-05: 53 OI2026-10-06: 120 OI2026-10-07: 120 OI2026-10-08: 120 OI2026-10-09: 226 OI2026-10-13: 226 OI2026-10-14: 226 OI2026-10-15: 225 OI2026-10-16: 224 OI2026-10-21: 246 OI2026-10-23: 246 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, 2026Viewing2460
Oct 21, 2026246+22
Oct 16, 2026224-1
Oct 15, 2026225-1
Oct 14, 20262260
Oct 13, 20262260
Oct 09, 2026226+106
Oct 08, 20261200
Oct 07, 20261200
Oct 06, 2026120+67
Oct 05, 2026530
Oct 02, 202653No prior observation