Short interest for the period a year earlier was 318.3 million shares.
The short interest for the period a year earlier was 266.6 million shares.
Short interest has risen by more than a third over the last year.
In the last 12 months, short interest has risen by 40 percent.
But market participants said they were not surprised that short interest fell.
The short interest in the period grew from 917,892 shares to 1.3 million.
On the American exchange, short interest advanced 4.5 percent in the same period.
The short interest in the stock fell 29 percent, to 2.3 million shares.
Short interest was 2.1 million shares this month, up 4.5 percent.
During the month, the short interest rose 453,486 shares, to 3.8 million.