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Contract OI history

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Nov 20, 2026 EXPIRATION

TTD $17.50 Call

TTD261120C00017500

Latest saved OI7,071Oct 23, 2026
Last change+94vs 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. 7,0713,5350 2026-10-09: 6,208 OI2026-10-14: 6,239 OI2026-10-15: 6,240 OI2026-10-16: 6,493 OI2026-10-21: 6,977 OI2026-10-23: 7,071 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, 2026Viewing7,071+94
Oct 21, 20266,977+484
Oct 16, 20266,493+253
Oct 15, 20266,240+1
Oct 14, 20266,239+31
Oct 09, 20266,208No prior observation