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Contract OI history

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Jan 21, 2028 EXPIRATION

FSLY $20.00 Call

FSLY280121C00020000

Latest saved OI853Oct 23, 2026
Last change-2vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
FSLY $20.00 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. 8554270 2026-10-09: 855 OI2026-10-13: 855 OI2026-10-14: 855 OI2026-10-15: 855 OI2026-10-16: 855 OI2026-10-21: 855 OI2026-10-23: 853 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, 2026Viewing853-2
Oct 21, 20268550
Oct 16, 20268550
Oct 15, 20268550
Oct 14, 20268550
Oct 13, 20268550
Oct 09, 2026855No prior observation