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Contract OI history

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Oct 23, 2026 EXPIRATION

FSLY $25.50 Call

FSLY261023C00025500

Latest saved OI423Oct 23, 2026
Last change+9vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
FSLY $25.50 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. 4232110 2026-10-09: 283 OI2026-10-13: 271 OI2026-10-14: 271 OI2026-10-15: 274 OI2026-10-16: 278 OI2026-10-21: 414 OI2026-10-23: 423 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, 2026Viewing423+9
Oct 21, 2026414+136
Oct 16, 2026278+4
Oct 15, 2026274+3
Oct 14, 20262710
Oct 13, 2026271-12
Oct 09, 2026283No prior observation