The European Union is seriously considering adding a 0.1% tax against trades in stocks and bonds (and an 0.01% tax on derivatives). It would definitely curb HFT

The European Union is seriously considering adding a 0.1% tax against trades in stocks and bonds (and an 0.01% tax on derivatives). It would definitely curb HFT, and there's talk of it also generating needed revenue. The main criticism is that a transaction tax distorts the market in hard to predict ways, and that big players may work around it. The English Wikipedia article has a decent summary of the proposal status: http://en.wikipedia.org/wiki/European_Union_financial_transaction_tax http://en.wikipedia.org/wiki/European_Union_financial_transa...