Short interest in White Mountains Insurance Group Ltd (NYSE:WTM) increased during the last reporting period, rising from 41.99K to 52.45K. This put 2.1% of the company's publicly available shares short.

Short interest for White Mountains Insurance gives investors a sense of the degree to which investors are betting on the decline of White Mountains Insurance's stock. Short interest data is updated every two weeks.

Based on the recent average volume of 15.22K shares traded per day, it would take 3.45 day(s) for holders of this short interest to close out their positions without sending the stock sharply higher.