Thank you for your reply !
Like you can see i'm little newb in this...
so it's too much for Ripple market to support 2 NMC and 1 LTC "flow in" or i just don't understand you ?
Yes.
The Ripple-markets are extremely thin. If you look at the order book, the volumes are almost non-existent. If you sell 0.457 NMC, you fill the top bid at 200 XRP and the next price would be 116 XRP. A similar story on the ask-side.