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Contract OI history

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Dec 18, 2026 EXPIRATION

FSLY $25.00 Call

FSLY261218C00025000

Latest saved OI1,093Oct 23, 2026
Last change-6vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
FSLY $25.00 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. 1,0995490 2026-10-09: 840 OI2026-10-13: 832 OI2026-10-14: 832 OI2026-10-15: 833 OI2026-10-16: 833 OI2026-10-21: 1,099 OI2026-10-23: 1,093 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, 2026Viewing1,093-6
Oct 21, 20261,099+266
Oct 16, 20268330
Oct 15, 2026833+1
Oct 14, 20268320
Oct 13, 2026832-8
Oct 09, 2026840No prior observation