$TORVF - Volt Carbon Technologies is domiciled on the Toronto Stock Exchange (TSXV:VCT) and is also traded on nine other exchanges in addition to the OTCQB.
So, there is a lot more trading going on here that just what you're seeing on OTC.
$TORVF Volume: 542,544 Price: $0.066
VCT Canadian Exchange Volume: 648,500 Price: $0.085 CAD (Canadian Dollars)
Here's a screenshot of the Canadian Exchanges at the time of this post: