Dispersion is a fundamental measure of risk and opportunity in the stock market; it measures how differently stocks are performing, or are expected to perform. The Dispersion Index was launched in ...

Dispersion is an important statistical measure that quantifies the range of outcomes among the components of an index during a specific period. The S&P 500 Realized Dispersion Indices offer two ...

Knowing an average is not enough to properly describe a data set. You also need a measure of how dispersed the data is. Values that are packed closely together display greater consistency than those ...

Cboe Global Markets (BATS:NYSE:CBOE) and S&P Global (NYSE:SPGI) announced on Monday their collaboration to launch a first-of-its-kind index, the Cboe S&P 500 Dispersion Index (DSPX), set to go live on ...

WASHINGTON, D.C., March 14, 2017 -- As the interest in renewable energy and energy-efficient devices continues to grow, so has the scientific community's interest in discovering and designing new ...

The 1st, 2nd and 3rd moments of r, the distance to nearest neighbor, are derived so as to generalize for use in k dimensions a measure of spacing based on the ratio of the mean distance observed in a ...

The notion that sometimes the market is driven by a rising tide that lifts all boats seems plausible. If most stocks are generating gains, you might conclude that all you have to do is stay fully ...

To know the properties of a particle or a wave, one should measure how its energy changes with its momentum. The relation between them is called the dispersion relation, which encodes essential ...