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Contract OI history

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Jan 19, 2029 EXPIRATION

TTD $27.50 Call

TTD290119C00027500

Latest saved OI471Oct 23, 2026
Last change+14vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
TTD $27.50 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. 4712350 2026-10-09: 243 OI2026-10-14: 283 OI2026-10-15: 369 OI2026-10-16: 399 OI2026-10-21: 457 OI2026-10-23: 471 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, 2026Viewing471+14
Oct 21, 2026457+58
Oct 16, 2026399+30
Oct 15, 2026369+86
Oct 14, 2026283+40
Oct 09, 2026243No prior observation