You will eventually get Ass. Market from the trolls if you let it have bitAsset and Market in the name.
So far, most the names proposed are horrible.
Mirror Market? What are you mirroring? Sounds second rate, like it beyond the secondary market.
DAX sounds like you are saying DAC's, so no. Anything with matrix, digital, or polymorphic sounds like techno babble.
Prediction is a word that needs to be in the definition of the name, not the name itself.