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Contract OI history

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Nov 20, 2026 EXPIRATION

FSLY $40.00 Call

FSLY261120C00040000

Latest saved OI2,713Oct 23, 2026
Last change+14vs 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. 2,7561,3780 2026-10-09: 2,756 OI2026-10-13: 2,748 OI2026-10-14: 2,748 OI2026-10-15: 2,732 OI2026-10-16: 2,700 OI2026-10-21: 2,699 OI2026-10-23: 2,713 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, 2026Viewing2,713+14
Oct 21, 20262,699-1
Oct 16, 20262,700-32
Oct 15, 20262,732-16
Oct 14, 20262,7480
Oct 13, 20262,748-8
Oct 09, 20262,756No prior observation