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Contract OI history

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Nov 13, 2026 EXPIRATION

FSLY $21.50 Put

FSLY261113P00021500

Latest saved OI666Oct 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 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 6783390 2026-10-09: 651 OI2026-10-13: 676 OI2026-10-14: 676 OI2026-10-15: 677 OI2026-10-16: 678 OI2026-10-21: 666 OI2026-10-23: 666 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, 2026Viewing6660
Oct 21, 2026666-12
Oct 16, 2026678+1
Oct 15, 2026677+1
Oct 14, 20266760
Oct 13, 2026676+25
Oct 09, 2026651No prior observation