OITracker Cboe delayed data

Contract OI history

Back to FLY

Jan 21, 2028 EXPIRATION

FLY $50.00 Call

FLY280121C00050000

Latest saved OI636Oct 20, 2026
Last change-1vs previous saved observation
Saved market days5Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
FLY $50.00 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. 6373180 2026-10-09: 604 OI2026-10-13: 619 OI2026-10-14: 619 OI2026-10-16: 637 OI2026-10-20: 636 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, 2026Viewing636-1
Oct 16, 2026637+18
Oct 14, 20266190
Oct 13, 2026619+15
Oct 09, 2026604No prior observation