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Contract OI history

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Nov 20, 2026 EXPIRATION

BFLY $7.50 Call

BFLY261120C00007500

Latest saved OI1,412Oct 23, 2026
Last change+189vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BFLY $7.50 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. 1,4127060 2026-10-02: 170 OI2026-10-05: 180 OI2026-10-06: 181 OI2026-10-07: 226 OI2026-10-08: 256 OI2026-10-09: 342 OI2026-10-13: 292 OI2026-10-14: 709 OI2026-10-15: 701 OI2026-10-16: 912 OI2026-10-21: 1,223 OI2026-10-23: 1,412 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, 2026Viewing1,412+189
Oct 21, 20261,223+311
Oct 16, 2026912+211
Oct 15, 2026701-8
Oct 14, 2026709+417
Oct 13, 2026292-50
Oct 09, 2026342+86
Oct 08, 2026256+30
Oct 07, 2026226+45
Oct 06, 2026181+1
Oct 05, 2026180+10
Oct 02, 2026170No prior observation