The execution rate on pools owned by broker-dealers is much higher, one reason why they account for as much as 90% of dark-pool trading.

经济代理商的暗盘的执行率更高，这是他们占据了暗盘交易量的90%的一个原因。

youdao

With the increasing demand for alternative trading platforms, SGX has recently tied up with Chi-X Global to set up Chi-East to cater to dark pool trading.

FORBES: Intelligent Investing

For this reason alone, no one can do comparative analysis between dark pool trades, get a real understanding of dark pool volumes or even do their own trading cost analysis.

FORBES: Don't Be Afraid Of The Dark Pools

With this, SGX will be Asia's first exchange-backed dark pool, which will complement exchange trading by reducing the market impact of large trades.

FORBES: Intelligent Investing