Ãðàôèêè BitCoin ñ íåäàâíåãî âðåìåíè ñòàë ïðåäîñòàâëÿòü ñàéò https://www.tradingview.com/e/uUpKYPjI/
Íà ñêðèíàõ ãðàôèêè èç ïðîãðàììû SierraChart, êîòîðàÿ ïðåäîñòàâëÿåò äàííûå ñ íåñêîëüêèõ áèðæ, âêëþ÷àÿ mtgox.
Âðîäå áû äàæå òîðãîâàòü ìîæíî ÷åðåç mtgox. Íî ïëàòôîðìà ïëàòíàÿ. Åñòü äåìî.
http://www.sierrachart.com/index.php?l=doc/Bitcoin.php