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Contract OI history

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Mar 19, 2027 EXPIRATION

TTD $37.50 Call

TTD270319C00037500

Latest saved OI146Oct 23, 2026
Last change+9vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
TTD $37.50 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. 146730 2026-10-09: 138 OI2026-10-14: 138 OI2026-10-15: 138 OI2026-10-16: 137 OI2026-10-21: 137 OI2026-10-23: 146 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, 2026Viewing146+9
Oct 21, 20261370
Oct 16, 2026137-1
Oct 15, 20261380
Oct 14, 20261380
Oct 09, 2026138No prior observation