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DEEP THOUGHT

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Posts in Algorithms
A Quality Review Of PureStream

The mechanism of PureStream is unique, allowing traders to select a participation rate based on a price and shares of trades that occur in the broader market. Although a significant percentage of the fills reference lit trades, our analysis revealed that fills through PureStream users enjoy little to no adverse post-trade cost, which is a significant improvement over the cost that the original source trade incurred. In general, fills completed through PureStream incurred far less post-trade cost than than trading on exchanges and in traditional dark pools. If PureStream is integrated properly, it can provide traders with a significant benefit, especially if counterparties can be found in difficult to trade names.

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Meme Stocks: Inaccessible Trading Share, Trading Cost, and Risk

Retail may never have it better, but we can’t say the same for institutions. The analysis shows that Payment for Order Flow (PFOF) has taken valuable liquidity out of the marketplace. The result is significantly higher costs and volatility in “retail” names for mutual funds and hedge funds. With retail share at over one-third of market volume, the problem is too big to ignore.

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