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Contract OI history

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Jan 15, 2027 EXPIRATION

TTD $17.50 Put

TTD270115P00017500

Latest saved OI13,490Oct 23, 2026
Last change-4vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
TTD $17.50 put open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 13,5326,7660 2026-10-09: 13,532 OI2026-10-14: 13,530 OI2026-10-15: 13,530 OI2026-10-16: 13,529 OI2026-10-21: 13,494 OI2026-10-23: 13,490 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, 2026Viewing13,490-4
Oct 21, 202613,494-35
Oct 16, 202613,529-1
Oct 15, 202613,5300
Oct 14, 202613,530-2
Oct 09, 202613,532No prior observation