as expected, investors gobbled up as many shares as they could at 17:

VANCOUVER, BRITISH COLUMBIA--(Marketwire - 08/12/09) - Silver Standard Resources Inc. (TSX:SSO - News)(NASDAQ:SSRI - News) reports that the underwriters of its recently announced public offering (the "Offering") have exercised in full their over-allotment option and will purchase an additional 272,528 common shares at US$17.00 per share. The option was granted pursuant to the Offering of approximately 2.7 million common shares, at an offering price of US$17.00 per share, which is expected to close on August 17, 2009. The gross proceeds from the exercise of the over-allotment option will total approximately US$4.6 million.

http://finance.yahoo.com/news/Silver-Standard-Announces-iw-849688138.html?x=0&.v=1