Of the 61 coins that graduated 1 to 4 hours ago, 7 lost more than half their value in their latest hour and 1 gained more than half.
Of the ones our safety check flagged, 13% lost more than half. Of the clean ones, 10%.
Worst in the window:
$XTO, down more than 99.9% in its latest hour.Watch the charts before you buy.
