OITracker Cboe delayed data

Contract OI history

Back to FSLY

Oct 23, 2026 EXPIRATION

FSLY $27.50 Put

FSLY261023P00027500

Latest saved OI5Oct 23, 2026
Last change-15vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
FSLY $27.50 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. 25120 2026-10-09: 20 OI2026-10-13: 25 OI2026-10-14: 25 OI2026-10-15: 25 OI2026-10-16: 25 OI2026-10-21: 20 OI2026-10-23: 5 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, 2026Viewing5-15
Oct 21, 202620-5
Oct 16, 2026250
Oct 15, 2026250
Oct 14, 2026250
Oct 13, 202625+5
Oct 09, 202620No prior observation