Now, we can say that Poloniex is not the only major XEM/BTC market.
XEM/BTC trading volume in BTC38 has increased gradually, and sometimes it exceeds over Poloniex's.
http://coinmarketcap.com/currencies/nem/#marketsIn BTC38, among the ###/BTC markets which are not listed in ###/CNY markets,
XEM/BTC is in top 1~2 rank.
This means soon XEM/CNY market in BTC38 can be open.
And it means the XEM trading volume will increase high.
(In case of LTC, last 24hr trading volume is 334 LTC in LTC/BTC market, and 57634 LTC in LTC/CNY market in BTC38.)
And the XEM balance in BTC38's address is already large enough.
NEM coin in Poloniex's Account is 4.28% of total XEM.
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NBZMQO7ZPBYNBDUR7F75MAKA2S3DHDCIFG775N3D
NEM coin in BTC38's Account is 3.31% of total XEM.
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http://blockexplore.in/search/richlist/