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Contract OI history

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Dec 18, 2026 EXPIRATION

TMUS $185.00 Put

TMUS261218P00185000

Latest saved OI286Oct 23, 2026
Last change-53vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
TMUS $185.00 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. 3401700 2026-10-09: 340 OI2026-10-14: 340 OI2026-10-15: 340 OI2026-10-16: 339 OI2026-10-21: 339 OI2026-10-23: 286 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, 2026Viewing286-53
Oct 21, 20263390
Oct 16, 2026339-1
Oct 15, 20263400
Oct 14, 20263400
Oct 09, 2026340No prior observation