Hmmm...

GBTC
Symbol:           
Time      Price   Volume   Market
15:11:20      47.00   2   OTO
15:03:09      50.00   20   OTO
14:55:09      50.00   5   OTO
14:53:50      50.00   100   OTO
14:47:41      55.00   9   OTO
14:35:36      55.00   5   OTO
14:14:40      50.10   10   OTO
14:09:42      55.00   100   OTO

http://quotes.freerealtime.com/dl/frt/M?IM=quotes&symbol=GBTC&type=Time%26Sales&SA=quotes