OITracker Cboe delayed data

Contract OI history

Back to BFLY

Jan 21, 2028 EXPIRATION

BFLY $10.00 Call

BFLY280121C00010000

Latest saved OI1,358Oct 23, 2026
Last change+17vs 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. 1,3856920 2026-10-02: 1,366 OI2026-10-05: 1,366 OI2026-10-06: 1,365 OI2026-10-07: 1,338 OI2026-10-08: 1,343 OI2026-10-09: 1,340 OI2026-10-13: 1,353 OI2026-10-14: 1,385 OI2026-10-15: 1,379 OI2026-10-16: 1,380 OI2026-10-21: 1,341 OI2026-10-23: 1,358 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, 2026Viewing1,358+17
Oct 21, 20261,341-39
Oct 16, 20261,380+1
Oct 15, 20261,379-6
Oct 14, 20261,385+32
Oct 13, 20261,353+13
Oct 09, 20261,340-3
Oct 08, 20261,343+5
Oct 07, 20261,338-27
Oct 06, 20261,365-1
Oct 05, 20261,3660
Oct 02, 20261,366No prior observation