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Contract OI history

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Oct 23, 2026 EXPIRATION

FSLY $28.50 Call

FSLY261023C00028500

Latest saved OI228Oct 23, 2026
Last change+18vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
FSLY $28.50 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. 2281140 2026-10-09: 49 OI2026-10-13: 51 OI2026-10-14: 51 OI2026-10-15: 53 OI2026-10-16: 53 OI2026-10-21: 210 OI2026-10-23: 228 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, 2026Viewing228+18
Oct 21, 2026210+157
Oct 16, 2026530
Oct 15, 202653+2
Oct 14, 2026510
Oct 13, 202651+2
Oct 09, 202649No prior observation