Westinghouse AIR Brake Technologies Corp. short interest
Short interest in Westinghouse AIR Brake Technologies Corp. was 3.3 million shares at the 31 August 2026 settlement, up 19.1% on the previous settlement, with 4.03 days to cover at an average daily volume of 825,225 shares, as reported to FINRA.
| Settlement | Shares short | Change | Average daily volume | Days to cover |
|---|---|---|---|---|
| 31 August 2026 | 3,326,896 | +19.1% | 825,225 | 4.03 |
| 14 August 2026 | 2,792,145 | -27.2% | 926,726 | 3.01 |
| 31 July 2026 | 3,836,310 | +13.4% | 1,279,972 | 3.00 |
| 15 July 2026 | 3,383,668 | +12.2% | 683,533 | 4.95 |
| 30 June 2026 | 3,015,317 | -0.4% | 1,011,999 | 2.98 |
| 15 June 2026 | 3,026,090 | +1.3% | 738,277 | 4.10 |
| 29 May 2026 | 2,987,913 | +5.3% | 975,446 | 3.06 |
| 15 May 2026 | 2,838,275 | -5.5% | 970,747 | 2.92 |
| 30 April 2026 | 3,002,669 | +20.4% | 1,030,619 | 2.91 |
| 15 April 2026 | 2,493,303 | +12.9% | 1,245,609 | 2.00 |
| 31 March 2026 | 2,207,643 | +19.2% | 826,410 | 2.67 |
| 13 March 2026 | 1,852,504 | -19.0% | 916,528 | 2.02 |
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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