OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

BFLY $3.00 Call

BFLY270115C00003000

Latest saved OI2,765Oct 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 $3.00 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. 2,8261,4130 2026-10-02: 2,826 OI2026-10-05: 2,825 OI2026-10-06: 2,825 OI2026-10-07: 2,825 OI2026-10-08: 2,825 OI2026-10-09: 2,765 OI2026-10-13: 2,765 OI2026-10-14: 2,765 OI2026-10-15: 2,765 OI2026-10-16: 2,765 OI2026-10-21: 2,765 OI2026-10-23: 2,765 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, 2026Viewing2,7650
Oct 21, 20262,7650
Oct 16, 20262,7650
Oct 15, 20262,7650
Oct 14, 20262,7650
Oct 13, 20262,7650
Oct 09, 20262,765-60
Oct 08, 20262,8250
Oct 07, 20262,8250
Oct 06, 20262,8250
Oct 05, 20262,825-1
Oct 02, 20262,826No prior observation