Currently there's been not much volume (until a few hours ago), but the tale of the decreasing volume is flawed! Take a look at the cumulative volume graph across the exchanges: https://data.bitcoinity.org/markets/volume/2y?c=e&t=a&volume_unit=btc (Take a look at the 2y graph!) We're at least at the same levels as last year - if not even higher!
Far too few people seem to realize data.bitcoinity.org exists.
Try increasing the time increments to get a better picture: