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Contract OI history

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Dec 18, 2026 EXPIRATION

FTNT $145.00 Put

FTNT261218P00145000

Latest saved OI609Oct 23, 2026
Last change+2vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
FTNT $145.00 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. 6183090 2026-10-09: 618 OI2026-10-13: 615 OI2026-10-14: 615 OI2026-10-15: 616 OI2026-10-16: 617 OI2026-10-21: 607 OI2026-10-23: 609 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, 2026Viewing609+2
Oct 21, 2026607-10
Oct 16, 2026617+1
Oct 15, 2026616+1
Oct 14, 20266150
Oct 13, 2026615-3
Oct 09, 2026618No prior observation