OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

TMUS $400.00 Call

TMUS270115C00400000

Latest saved OI1,306Oct 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
TMUS $400.00 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. 1,3066530 2026-10-09: 1,284 OI2026-10-14: 1,284 OI2026-10-15: 1,284 OI2026-10-16: 1,302 OI2026-10-21: 1,302 OI2026-10-23: 1,306 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

TMUS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,306+4
Oct 21, 20261,3020
Oct 16, 20261,302+18
Oct 15, 20261,2840
Oct 14, 20261,2840
Oct 09, 20261,284No prior observation