Merck & Co., Inc. short interest
Short interest in Merck & Co., Inc. was 30.3 million shares at the 31 August 2026 settlement, up 23.6% on the previous settlement, with 2.23 days to cover at an average daily volume of 13.6 million shares, as reported to FINRA.
| Settlement | Shares short | Change | Average daily volume | Days to cover |
|---|---|---|---|---|
| 31 August 2026 | 30,287,347 | +23.6% | 13,556,043 | 2.23 |
| 14 August 2026 | 24,506,520 | -13.3% | 8,643,326 | 2.84 |
| 31 July 2026 | 28,281,375 | -3.7% | 8,695,853 | 3.25 |
| 15 July 2026 | 29,359,028 | -6.4% | 8,575,599 | 3.42 |
| 30 June 2026 | 31,381,267 | +3.7% | 13,647,853 | 2.30 |
| 15 June 2026 | 30,267,292 | -0.9% | 11,784,643 | 2.57 |
| 29 May 2026 | 30,545,853 | +5.1% | 9,991,704 | 3.06 |
| 15 May 2026 | 29,060,187 | +10.9% | 8,011,358 | 3.63 |
| 30 April 2026 | 26,205,868 | -4.7% | 10,261,130 | 2.55 |
| 15 April 2026 | 27,495,690 | -0.8% | 8,313,273 | 3.31 |
| 31 March 2026 | 27,720,957 | -4.9% | 10,965,147 | 2.53 |
| 13 March 2026 | 29,144,880 | -6.3% | 9,522,427 | 3.06 |
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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