I think index arbitrage is the easy part to fix.

In 1986, he said, his traders might have done index arbitrage once a week.

A. We've been asked by people to ban index arbitrage.

Index arbitrage is the system by which you link the two markets.

Still, the opponents of index arbitrage clearly have the upper hand so far.

The group's defense of index arbitrage will not surprise academic experts.

And clearly, index arbitrage was not adding stability to the system.

Market participants said there was little index arbitrage, or program trading, yesterday.

The activity, known as index arbitrage, can have an explosive effect on stock prices.

"I don't think there is anything wrong with index arbitrage per se," he said.