fwiw...

Source: http://infoventure.tsx.com/TSXVenture/TSXVentureHttpController?GetPage=ShortSummary&SECURITY_ID=209486&MARKET_ID=CDNX&SEC_SYM_SID=1&HC_FLAG1=Y&HC_FLAG1=Y

Short Summary

Commerce Resources Corp. ( CCE )

As of Short Volume Change In Volume
15/Jan/2013 40,500 35,500  +
31/Dec/2012 5,000 2,000  +
15/Dec/2012 3,000 -4,500  -
30/Nov/2012 7,500 2,500  +
15/Nov/2012 5,000 -14,500  -
15/Aug/2012 19,500 10,021  +