OITracker Cboe delayed data

Contract OI history

Back to TTD

Jan 21, 2028 EXPIRATION

TTD $17.50 Put

TTD280121P00017500

Latest saved OI2,498Oct 23, 2026
Last change+11vs 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. 2,5121,2560 2026-10-09: 2,449 OI2026-10-14: 2,462 OI2026-10-15: 2,462 OI2026-10-16: 2,512 OI2026-10-21: 2,487 OI2026-10-23: 2,498 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, 2026Viewing2,498+11
Oct 21, 20262,487-25
Oct 16, 20262,512+50
Oct 15, 20262,4620
Oct 14, 20262,462+13
Oct 09, 20262,449No prior observation