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Contract OI history

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Nov 13, 2026 EXPIRATION

FSLY $21.00 Put

FSLY261113P00021000

Latest saved OI57Oct 23, 2026
Last change+22vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
FSLY $21.00 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. 57280 2026-10-09: 28 OI2026-10-13: 34 OI2026-10-14: 34 OI2026-10-15: 35 OI2026-10-16: 35 OI2026-10-21: 35 OI2026-10-23: 57 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, 2026Viewing57+22
Oct 21, 2026350
Oct 16, 2026350
Oct 15, 202635+1
Oct 14, 2026340
Oct 13, 202634+6
Oct 09, 202628No prior observation