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Contract OI history

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Oct 23, 2026 EXPIRATION

FSLY $23.50 Put

FSLY261023P00023500

Latest saved OI347Oct 23, 2026
Last change+87vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
FSLY $23.50 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. 3471730 2026-10-09: 42 OI2026-10-13: 42 OI2026-10-14: 42 OI2026-10-15: 43 OI2026-10-16: 104 OI2026-10-21: 260 OI2026-10-23: 347 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, 2026Viewing347+87
Oct 21, 2026260+156
Oct 16, 2026104+61
Oct 15, 202643+1
Oct 14, 2026420
Oct 13, 2026420
Oct 09, 202642No prior observation