An inverse volatility exchange-traded fund (ETF) is a financial product that allows investors to bet on market stability. They often use the Cboe Volatility Index (VIX), which gauges' investors ...

The inverse autocorrelation function is not often discussed in textbooks, so a brief description is given here. More complete discussions can be found in Cleveland (1972), Chatfield (1980), and ...

An inverse function links the output value back to the input value, meaning it is the original function in reverse. An inverse function is written as 𝑓\(^-\)\(^1\)(𝑥).

In particular, for a given real (not necessarily integer) value n of the number of degrees of freedom, we give a pair of power series approximations for the inverse, F−1 n , of the cumulative ...