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Contract OI history

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Nov 20, 2026 EXPIRATION

FTNT $145.00 Put

FTNT261120P00145000

Latest saved OI256Oct 23, 2026
Last change+70vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
FTNT $145.00 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. 2561280 2026-10-09: 83 OI2026-10-13: 94 OI2026-10-14: 94 OI2026-10-15: 97 OI2026-10-16: 99 OI2026-10-21: 186 OI2026-10-23: 256 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, 2026Viewing256+70
Oct 21, 2026186+87
Oct 16, 202699+2
Oct 15, 202697+3
Oct 14, 2026940
Oct 13, 202694+11
Oct 09, 202683No prior observation