on what exchange?It's only one-fifth the size of the big DAX contract. Looks like a good fit for smaller retail traders who hold overnight. Trades in Euros.
Eurex. Here's an update on activity:
http://www.eurexchange.com/exchange-en/about-us/news/update-on-mini-dax--futures-18-days/2265680
Liquidity is most commonly associated with volume, but a more appropriate definition is the tightness of the bid-ask spread and depth of the market. On both of these counts, this young contract is looking good.