“Dark pools and algo trading were the products of choice in the period of historic low volatility
“Dark pools and algo trading were the products of choice in the period of historic low volatility. Now that we have extraordinarily high volatility, you’re seeing a big move toward the usage of options. This product is more important now than it’s ever been,” said Keith Bliss, a senior vice president with Cuttone & Co., the largest independent floor operator at the NYSE.
http://blogs.wsj.com/marketbeat/2008/12/24/the-big-options-board/