OITracker Cboe delayed data

Contract OI history

Back to FTNT

Dec 18, 2026 EXPIRATION

FTNT $140.00 Put

FTNT261218P00140000

Latest saved OI426Oct 23, 2026
Last change-1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
FTNT $140.00 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. 4272130 2026-10-09: 303 OI2026-10-13: 306 OI2026-10-14: 306 OI2026-10-15: 305 OI2026-10-16: 307 OI2026-10-21: 427 OI2026-10-23: 426 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

FTNT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing426-1
Oct 21, 2026427+120
Oct 16, 2026307+2
Oct 15, 2026305-1
Oct 14, 20263060
Oct 13, 2026306+3
Oct 09, 2026303No prior observation