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Contract OI history

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Sep 17, 2027 EXPIRATION

TTD $17.50 Call

TTD270917C00017500

Latest saved OI1,199Oct 23, 2026
Last change+137vs 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. 1,1995990 2026-10-09: 1,096 OI2026-10-14: 1,100 OI2026-10-15: 1,100 OI2026-10-16: 1,100 OI2026-10-21: 1,062 OI2026-10-23: 1,199 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, 2026Viewing1,199+137
Oct 21, 20261,062-38
Oct 16, 20261,1000
Oct 15, 20261,1000
Oct 14, 20261,100+4
Oct 09, 20261,096No prior observation