Shanghai Stock Exchange takes on HFT speculators

Shanghai Stock Exchange takes on HFT speculators

The Shanghai Stock Exchange (SSE) has become the latest bourse to signal a crackdown on the huge number of messages high-frequency traders generate.

Having carried out research into trader speculation and its effect on the market, the Chinese exchange operator has vowed to take on the issue with "both technique and system".

The SSE will impose trading limits on accounts "with such abnormal trading behaviors as making orders in a large sum or at high prices, or conducting frequent false orders and withdrawals".

Firms that continue to break the new rules will be designated unqualified investors, facing trading restrictions for several days and referral to the China Securities Regulatory Commission.

Yesterday US operators Nasdaq OMX and Direct Edge outlined plans to fine high-frequency traders for carrying out too many cancelled orders, following a path already taken in Europe by Deutsche Börse and Borsa Italiana.

The Shanghai bourse and its rival Shenzhen Stock Exchange have also both moved to curb excessive speculation and volatility in shares in newly listed companies. New rules mean there will be a 30 minute suspension on shares that rise or fall by 10% from their opening prices on their first day of trading.

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