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Contract OI history

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Jan 21, 2028 EXPIRATION

FTNT $200.00 Call

FTNT280121C00200000

Latest saved OI143Oct 23, 2026
Last change+4vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
FTNT $200.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 143710 2026-10-09: 124 OI2026-10-13: 125 OI2026-10-14: 125 OI2026-10-15: 125 OI2026-10-16: 139 OI2026-10-21: 139 OI2026-10-23: 143 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, 2026Viewing143+4
Oct 21, 20261390
Oct 16, 2026139+14
Oct 15, 20261250
Oct 14, 20261250
Oct 13, 2026125+1
Oct 09, 2026124No prior observation