OITracker Cboe delayed data

Contract OI history

Back to FSLY

Oct 30, 2026 EXPIRATION

FSLY $27.50 Call

FSLY261030C00027500

Latest saved OI136Oct 23, 2026
Last change+84vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
FSLY $27.50 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. 136680 2026-10-09: 28 OI2026-10-13: 40 OI2026-10-14: 40 OI2026-10-15: 41 OI2026-10-16: 41 OI2026-10-21: 52 OI2026-10-23: 136 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, 2026Viewing136+84
Oct 21, 202652+11
Oct 16, 2026410
Oct 15, 202641+1
Oct 14, 2026400
Oct 13, 202640+12
Oct 09, 202628No prior observation