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Contract OI history

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Dec 18, 2026 EXPIRATION

FTNT $230.00 Call

FTNT261218C00230000

Latest saved OI274Oct 23, 2026
Last change+2vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
FTNT $230.00 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. 2741370 2026-10-09: 165 OI2026-10-13: 172 OI2026-10-14: 172 OI2026-10-15: 263 OI2026-10-16: 271 OI2026-10-21: 272 OI2026-10-23: 274 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, 2026Viewing274+2
Oct 21, 2026272+1
Oct 16, 2026271+8
Oct 15, 2026263+91
Oct 14, 20261720
Oct 13, 2026172+7
Oct 09, 2026165No prior observation