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Contract OI history

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Nov 20, 2026 EXPIRATION

TTD $18.00 Call

TTD261120C00018000

Latest saved OI631Oct 23, 2026
Last change+416vs previous saved observation
Saved market days2Oct 21, 2026 onwards
Daily open interest Hover a point for its date and OI
TTD $18.00 call open interest history 2 saved observations from 2026-10-21 to 2026-10-23. Exact values and changes are listed in the table below. 6313150 2026-10-21: 215 OI2026-10-23: 631 OI Oct 21, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

TTD contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing631+416
Oct 21, 2026215No prior observation