Maybe US guys are sleeping now?
You have to wait until Monday for the real volume to happen.
A lot of trade volume happens during the week. When regular stock brokers are bored at work on Wallstreet, they play the cryptocurrency daily trading game with a few thousand dollars. It's like a flash facebook game for them. Trading cryptocoins is like a video game for them.
On Saturday and Sunday, their wives tell them to stay off the computer.
You will see KDC trade volume on Cryptsy change in the next 7-10 days for sure.
A wife or girlfriend who tries to stop a trader from trading does not remain a wife or girlfriend of a trader for long!