T-Mobile US, Inc. short interest
Short interest in T-Mobile US, Inc. was 17.1 million shares at the 31 August 2026 settlement, up 0.9% on the previous settlement, with 4.37 days to cover at an average daily volume of 3.9 million shares, as reported to FINRA.
| Settlement | Shares short | Change | Average daily volume | Days to cover |
|---|---|---|---|---|
| 31 August 2026 | 17,093,779 | +0.9% | 3,909,051 | 4.37 |
| 14 August 2026 | 16,943,967 | -6.3% | 3,994,863 | 4.24 |
| 31 July 2026 | 18,076,785 | -19.8% | 5,502,662 | 3.29 |
| 15 July 2026 | 22,533,542 | +12.6% | 4,653,134 | 4.84 |
| 30 June 2026 | 20,010,780 | -14.9% | 7,206,482 | 2.78 |
| 15 June 2026 | 23,503,410 | +17.8% | 5,300,370 | 4.43 |
| 29 May 2026 | 19,947,133 | +6.6% | 4,283,606 | 4.66 |
| 15 May 2026 | 18,711,046 | +1.8% | 4,611,962 | 4.06 |
| 30 April 2026 | 18,379,947 | -0.6% | 7,630,445 | 2.41 |
| 15 April 2026 | 18,487,224 | -13.4% | 5,401,563 | 3.42 |
| 31 March 2026 | 21,359,153 | +78.2% | 6,061,853 | 3.52 |
| 13 March 2026 | 11,985,221 | -10.0% | 4,667,354 | 2.57 |
FINRA publishes consolidated short interest twice a month, about ten days after each settlement. Days to cover is shares short over average daily volume. Short interest as a share of the float is not shown: the float is not in the public record.
Source
FINRA equity short interest data, the public dataset.
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