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Contract OI history

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Oct 23, 2026 EXPIRATION

FLY $20.50 Put

FLY261023P00020500

Latest saved OI77Oct 20, 2026
Last change-5vs previous saved observation
Saved market days5Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
FLY $20.50 put open interest history 5 saved observations from 2026-10-09 to 2026-10-20. Exact values and changes are listed in the table below. 82410 2026-10-09: 67 OI2026-10-13: 82 OI2026-10-14: 82 OI2026-10-16: 82 OI2026-10-20: 77 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, 2026Viewing77-5
Oct 16, 2026820
Oct 14, 2026820
Oct 13, 202682+15
Oct 09, 202667No prior observation