what role does high frequency trading hft play in arbitrage 
hft has a large role in modern arbitrage strategies hft involves the use of sophisticated algorithms to execute a large number of orders at extremely high speeds for arbitrage hft allows traders to capitalize on fleeting price discrepancies that may exist only for fractions of a second across different exchanges or between different securities these algorithms can analyze market conditions execute orders and then exit those positions within the blink of an eye often before the market has had the chance to correct these inefficiencies 6the bottom linearbitrageurs scour the market for inefficiencies and profit from them these inefficiencies generally relate to the same asset being priced differently on different exchanges however it can also mean researching deeply into market moves like mergers and acquisitions to make gains from price differences in those deals arbitrageurs generally work for large financial firms with vast resources and their work can boost liquidity and make pricing more equal across markets 