Starting on November 2, 2007, the Exchange will eliminate Rule 80A trading collar or index arbitrage trading restrictions that require any index arbitrage order, or program trade in a component stock of the S&P 500 Stock Price Index to be entered as either “buy minus” or “sell plus” order when certain positive or negative thresholds in the NYSE Composite Index (NYA) are reached. 
Trading Technology Information Memo Rule Filing SR-NYSE-2007-96
Category: Operations
