15 years ago high frequency trading accounted for less than 5% of all trades in the US equity markets.Today high frequency trading accounts for over 70% of every executed trade and 90% of all canceled trades.This while trading volume has collapsed.S&P trading volume hit a 15 year low,and has been declining since 2002 peak.
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US Equity Trading Volume Hits Fresh 15-Year Low | Zero Hedge
US Equity Trading Volume Hits Fresh 15-Year Low | Zero Hedge