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Contract OI history

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Oct 23, 2026 EXPIRATION

FSLY $23.50 Call

FSLY261023C00023500

Latest saved OI489Oct 23, 2026
Last change+113vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
FSLY $23.50 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. 4892440 2026-10-09: 14 OI2026-10-13: 14 OI2026-10-14: 14 OI2026-10-15: 15 OI2026-10-16: 80 OI2026-10-21: 376 OI2026-10-23: 489 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, 2026Viewing489+113
Oct 21, 2026376+296
Oct 16, 202680+65
Oct 15, 202615+1
Oct 14, 2026140
Oct 13, 2026140
Oct 09, 202614No prior observation