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Contract OI history

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Feb 19, 2027 EXPIRATION

FLY $18.00 Put

FLY270219P00018000

Latest saved OI278Oct 20, 2026
Last change+175vs previous saved observation
Saved market days5Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
FLY $18.00 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. 2781390 2026-10-09: 88 OI2026-10-13: 88 OI2026-10-14: 93 OI2026-10-16: 103 OI2026-10-20: 278 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, 2026Viewing278+175
Oct 16, 2026103+10
Oct 14, 202693+5
Oct 13, 2026880
Oct 09, 202688No prior observation