PortMath weekly market update for July 28th 2014:
The NIC has fallen slightly to 962 so the diversity of the NYSE is roughly equivalent to 962 completely independent stocks.
New York Stock Exchange Summary
The average past returns of our top NYSE stocks is plotted on the graph below. Our higher ranked stocks gave better returns on average as shown by the following graph.
962 is the current NIC for the NYSE and is an estimate of the number of truly different stocks in this exchange. Higher values of the NIC can indicate more robust markets.
Average risk of our top ranked stocks:
The average past standard deviations of our top NYSE stocks is plotted on the graph below which shows that higher ranked stocks had smaller standard deviations on average.