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Contract OI history

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Nov 06, 2026 EXPIRATION

FSLY $21.00 Put

FSLY261106P00021000

Latest saved OI449Oct 23, 2026
Last change+1vs 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. 4492240 2026-10-09: 88 OI2026-10-13: 443 OI2026-10-14: 443 OI2026-10-15: 444 OI2026-10-16: 443 OI2026-10-21: 448 OI2026-10-23: 449 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, 2026Viewing449+1
Oct 21, 2026448+5
Oct 16, 2026443-1
Oct 15, 2026444+1
Oct 14, 20264430
Oct 13, 2026443+355
Oct 09, 202688No prior observation