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Contract OI history

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Dec 18, 2026 EXPIRATION

FSLY $17.50 Call

FSLY261218C00017500

Latest saved OI211Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
FSLY $17.50 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. 2161080 2026-10-09: 216 OI2026-10-13: 211 OI2026-10-14: 211 OI2026-10-15: 211 OI2026-10-16: 211 OI2026-10-21: 211 OI2026-10-23: 211 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, 2026Viewing2110
Oct 21, 20262110
Oct 16, 20262110
Oct 15, 20262110
Oct 14, 20262110
Oct 13, 2026211-5
Oct 09, 2026216No prior observation