nice misscalculations.
Total traded btc in july was 1 000 000 BTC on MTGOX
it means value of the market was 1 000 000x 30 = 30 000 000$ not 210 000 000
ayeee, and I'd be willing to bet the 1million traded was in large part the same 100k coins moving back and forth a few times. ;p