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Contract OI history

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Dec 18, 2026 EXPIRATION

FSLY $22.50 Call

FSLY261218C00022500

Latest saved OI632Oct 23, 2026
Last change+4vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
FSLY $22.50 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 6343170 2026-10-09: 634 OI2026-10-13: 634 OI2026-10-14: 634 OI2026-10-15: 633 OI2026-10-16: 633 OI2026-10-21: 628 OI2026-10-23: 632 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, 2026Viewing632+4
Oct 21, 2026628-5
Oct 16, 20266330
Oct 15, 2026633-1
Oct 14, 20266340
Oct 13, 20266340
Oct 09, 2026634No prior observation