A key issue raised by the rapid growth of computerised algorithmic trading is how it responds in extreme situations. Using data on foreign exchange orders and transactions that includes identification of algorithmic trading, we find that this type of trading contributed to the deterioration of...

A key issue for decentralised markets like FX is how the market responds to extreme situations. Using data on FX transactions with a precise identification of Algorithmic trading (AT), we find that AT, broadly defined, appears to have contributed to the deterioration of market quality following...