ISE Gets Green Light for Level 2 Feed

Although the Level 2 feed-which provides up to five levels of market depth and utilizes the industry standard FIX and FAST (FIX Adapted for Streaming) protocols-was first launched almost two years ago (IMD, Sept. 17, 2007), the ISE was only granted SEC approval to charge for the product at the end of last month.

"Rather than make subscribers sign a final license agreement upfront, we had a beta agreement in place that said we could terminate the beta at 30 days' notice. That period will come to a