Chart displays incorrect price data
For this "GOV" symbol, the "basic chart" displays a graph indicator that for 2013-2016, the price never went above $20. But I went to yahoo/google finance, and even your own "advanced chart" tool shows a different price graph, one that has the price above $20 during 2013-2016 for a long period of time.
Our basic charts adjust historical prices for splits and dividends. That's the discrepancy you are seeing.