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Contract OI history

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Jan 19, 2029 EXPIRATION

FLY $25.00 Put

FLY290119P00025000

Latest saved OI500Oct 20, 2026
Last change+138vs previous saved observation
Saved market days5Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
FLY $25.00 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. 5002500 2026-10-09: 282 OI2026-10-13: 282 OI2026-10-14: 282 OI2026-10-16: 362 OI2026-10-20: 500 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, 2026Viewing500+138
Oct 16, 2026362+80
Oct 14, 20262820
Oct 13, 20262820
Oct 09, 2026282No prior observation