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Contract OI history

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Jan 21, 2028 EXPIRATION

FLY $17.50 Call

FLY280121C00017500

Latest saved OI587Oct 20, 2026
Last change+27vs previous saved observation
Saved market days5Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
FLY $17.50 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. 5872930 2026-10-09: 495 OI2026-10-13: 496 OI2026-10-14: 510 OI2026-10-16: 560 OI2026-10-20: 587 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, 2026Viewing587+27
Oct 16, 2026560+50
Oct 14, 2026510+14
Oct 13, 2026496+1
Oct 09, 2026495No prior observation