Graph Notes Trades are represented as colored dots. Click on a graph to view a more detailed version with ticks and labels. Time Period → X-Axis The data contains trades from 04/01/2011 to 11/30/2013. Trades are positioned along the X axis by date. Price → Y-Axis On MtGox, one bitcoin's value has fluctuated from under six cents in 2010 to over $1200 in 2013. That's a 2,000,000% increase from incep