OITracker Cboe delayed data

Contract OI history

Back to FSLY

Jan 21, 2028 EXPIRATION

FSLY $40.00 Call

FSLY280121C00040000

Latest saved OI1,205Oct 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 $40.00 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. 1,2066030 2026-10-09: 1,205 OI2026-10-13: 1,206 OI2026-10-14: 1,206 OI2026-10-15: 1,206 OI2026-10-16: 1,205 OI2026-10-21: 1,205 OI2026-10-23: 1,205 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, 2026Viewing1,2050
Oct 21, 20261,2050
Oct 16, 20261,205-1
Oct 15, 20261,2060
Oct 14, 20261,2060
Oct 13, 20261,206+1
Oct 09, 20261,205No prior observation