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Contract OI history

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Dec 18, 2026 EXPIRATION

TTD $17.50 Call

TTD261218C00017500

Latest saved OI3,830Oct 23, 2026
Last change+135vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
TTD $17.50 call open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 3,8301,9150 2026-10-09: 3,590 OI2026-10-14: 3,649 OI2026-10-15: 3,653 OI2026-10-16: 3,544 OI2026-10-21: 3,695 OI2026-10-23: 3,830 OI Oct 09, 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, 2026Viewing3,830+135
Oct 21, 20263,695+151
Oct 16, 20263,544-109
Oct 15, 20263,653+4
Oct 14, 20263,649+59
Oct 09, 20263,590No prior observation