OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

FLY $25.00 Call

FLY270115C00025000

Latest saved OI2,914Oct 20, 2026
Last change+1,491vs previous saved observation
Saved market days5Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
FLY $25.00 call open interest history 5 saved observations from 2026-10-09 to 2026-10-20. Exact values and changes are listed in the table below. 2,9141,4570 2026-10-09: 1,544 OI2026-10-13: 1,522 OI2026-10-14: 1,510 OI2026-10-16: 1,423 OI2026-10-20: 2,914 OI Oct 09, 2026Oct 20, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

FLY contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 20, 2026Viewing2,914+1,491
Oct 16, 20261,423-87
Oct 14, 20261,510-12
Oct 13, 20261,522-22
Oct 09, 20261,544No prior observation