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Contract OI history

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Mar 19, 2027 EXPIRATION

TTD $17.50 Call

TTD270319C00017500

Latest saved OI7,375Oct 23, 2026
Last change+42vs 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. 7,3753,6870 2026-10-09: 7,179 OI2026-10-14: 7,176 OI2026-10-15: 7,161 OI2026-10-16: 7,176 OI2026-10-21: 7,333 OI2026-10-23: 7,375 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, 2026Viewing7,375+42
Oct 21, 20267,333+157
Oct 16, 20267,176+15
Oct 15, 20267,161-15
Oct 14, 20267,176-3
Oct 09, 20267,179No prior observation