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Contract OI history

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Mar 19, 2027 EXPIRATION

FTNT $170.00 Put

FTNT270319P00170000

Latest saved OI217Oct 23, 2026
Last change+21vs 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. 2171080 2026-10-09: 135 OI2026-10-13: 135 OI2026-10-14: 135 OI2026-10-15: 176 OI2026-10-16: 185 OI2026-10-21: 196 OI2026-10-23: 217 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, 2026Viewing217+21
Oct 21, 2026196+11
Oct 16, 2026185+9
Oct 15, 2026176+41
Oct 14, 20261350
Oct 13, 20261350
Oct 09, 2026135No prior observation