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Contract OI history

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Nov 20, 2026 EXPIRATION

FTNT $155.00 Put

FTNT261120P00155000

Latest saved OI1,837Oct 23, 2026
Last change-110vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
FTNT $155.00 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. 1,9479730 2026-10-09: 1,806 OI2026-10-13: 1,814 OI2026-10-14: 1,814 OI2026-10-15: 1,812 OI2026-10-16: 1,816 OI2026-10-21: 1,947 OI2026-10-23: 1,837 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, 2026Viewing1,837-110
Oct 21, 20261,947+131
Oct 16, 20261,816+4
Oct 15, 20261,812-2
Oct 14, 20261,8140
Oct 13, 20261,814+8
Oct 09, 20261,806No prior observation