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Contract OI history

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Nov 20, 2026 EXPIRATION

FTNT $165.00 Put

FTNT261120P00165000

Latest saved OI238Oct 23, 2026
Last change+41vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
FTNT $165.00 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. 2381190 2026-10-09: 196 OI2026-10-13: 196 OI2026-10-14: 196 OI2026-10-15: 201 OI2026-10-16: 199 OI2026-10-21: 197 OI2026-10-23: 238 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, 2026Viewing238+41
Oct 21, 2026197-2
Oct 16, 2026199-2
Oct 15, 2026201+5
Oct 14, 20261960
Oct 13, 20261960
Oct 09, 2026196No prior observation