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Contract OI history

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Jul 16, 2027 EXPIRATION

FSLY $17.50 Put

FSLY270716P00017500

Latest saved OI38,364Oct 23, 2026
Last change+1,371vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
FSLY $17.50 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 38,36419,1820 2026-10-09: 36,848 OI2026-10-13: 36,993 OI2026-10-14: 36,993 OI2026-10-15: 36,993 OI2026-10-16: 36,993 OI2026-10-21: 36,993 OI2026-10-23: 38,364 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

FSLY contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing38,364+1,371
Oct 21, 202636,9930
Oct 16, 202636,9930
Oct 15, 202636,9930
Oct 14, 202636,9930
Oct 13, 202636,993+145
Oct 09, 202636,848No prior observation