OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

TMUS $220.00 Call

TMUS280121C00220000

Latest saved OI590Oct 23, 2026
Last change-2vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
TMUS $220.00 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. 5922960 2026-10-09: 471 OI2026-10-14: 471 OI2026-10-15: 472 OI2026-10-16: 592 OI2026-10-21: 592 OI2026-10-23: 590 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, 2026590-2
Oct 21, 2026Viewing5920
Oct 16, 2026592+120
Oct 15, 2026472+1
Oct 14, 20264710
Oct 09, 2026471No prior observation