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Contract OI history

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Dec 18, 2026 EXPIRATION

FSLY $40.00 Call

FSLY261218C00040000

Latest saved OI1,489Oct 23, 2026
Last change-5vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
FSLY $40.00 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. 1,6808400 2026-10-09: 1,680 OI2026-10-13: 1,612 OI2026-10-14: 1,612 OI2026-10-15: 1,612 OI2026-10-16: 1,601 OI2026-10-21: 1,494 OI2026-10-23: 1,489 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, 2026Viewing1,489-5
Oct 21, 20261,494-107
Oct 16, 20261,601-11
Oct 15, 20261,6120
Oct 14, 20261,6120
Oct 13, 20261,612-68
Oct 09, 20261,680No prior observation