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Contract OI history

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Dec 18, 2026 EXPIRATION

FTNT $170.00 Put

FTNT261218P00170000

Latest saved OI784Oct 23, 2026
Last change+7vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
FTNT $170.00 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. 7843920 2026-10-09: 755 OI2026-10-13: 755 OI2026-10-14: 755 OI2026-10-15: 757 OI2026-10-16: 757 OI2026-10-21: 777 OI2026-10-23: 784 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, 2026Viewing784+7
Oct 21, 2026777+20
Oct 16, 20267570
Oct 15, 2026757+2
Oct 14, 20267550
Oct 13, 20267550
Oct 09, 2026755No prior observation