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Contract OI history

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Dec 15, 2028 EXPIRATION

TTD $17.50 Call

TTD281215C00017500

Latest saved OI781Oct 23, 2026
Last change0vs 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. 7813900 2026-10-09: 759 OI2026-10-14: 759 OI2026-10-15: 779 OI2026-10-16: 780 OI2026-10-21: 781 OI2026-10-23: 781 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, 2026Viewing7810
Oct 21, 2026781+1
Oct 16, 2026780+1
Oct 15, 2026779+20
Oct 14, 20267590
Oct 09, 2026759No prior observation