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Contract OI history

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Dec 18, 2026 EXPIRATION

TTD $40.00 Call

TTD261218C00040000

Latest saved OI1,010Oct 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 $40.00 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. 1,0105050 2026-10-09: 992 OI2026-10-14: 990 OI2026-10-15: 994 OI2026-10-16: 994 OI2026-10-21: 1,010 OI2026-10-23: 1,010 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, 2026Viewing1,0100
Oct 21, 20261,010+16
Oct 16, 20269940
Oct 15, 2026994+4
Oct 14, 2026990-2
Oct 09, 2026992No prior observation