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Contract OI history

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Dec 18, 2026 EXPIRATION

FTNT $240.00 Call

FTNT261218C00240000

Latest saved OI198Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
FTNT $240.00 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. 198990 2026-10-09: 193 OI2026-10-13: 194 OI2026-10-14: 194 OI2026-10-15: 194 OI2026-10-16: 195 OI2026-10-21: 198 OI2026-10-23: 198 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, 2026Viewing1980
Oct 21, 2026198+3
Oct 16, 2026195+1
Oct 15, 20261940
Oct 14, 20261940
Oct 13, 2026194+1
Oct 09, 2026193No prior observation