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Contract OI history

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Oct 30, 2026 EXPIRATION

FSLY $21.50 Call

FSLY261030C00021500

Latest saved OI120Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
FSLY $21.50 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. 120600 2026-10-09: 5 OI2026-10-13: 5 OI2026-10-14: 5 OI2026-10-15: 5 OI2026-10-16: 5 OI2026-10-21: 120 OI2026-10-23: 120 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, 2026Viewing1200
Oct 21, 2026120+115
Oct 16, 202650
Oct 15, 202650
Oct 14, 202650
Oct 13, 202650
Oct 09, 20265No prior observation