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Mean reversion is a financial term for the assumption that an asset's price will tend to converge to the average price over time. [1] [2]Using mean reversion as a timing strategy involves both the identification of the trading range for a security and the computation of the average price using quantitative methods.
Many bank proprietary operations now center to varying degrees around statistical arbitrage trading. As a trading strategy, statistical arbitrage is a heavily quantitative and computational approach to securities trading. It involves data mining and statistical methods, as well as the use of automated trading systems.
[10] Conversely, however, if an analytical technique for valuing the option exists—or even a numeric technique, such as a (modified) pricing tree [10] —Monte Carlo methods will usually be too slow to be competitive. They are, in a sense, a method of last resort; [10] see further under Monte Carlo methods in finance. With faster computing ...
ARMA is appropriate when a system is a function of a series of unobserved shocks (the MA or moving average part) as well as its own behavior. For example, stock prices may be shocked by fundamental information as well as exhibiting technical trending and mean-reversion effects due to market participants. [citation needed]
The parameter corresponds to the speed of adjustment to the mean , and to volatility. The drift factor, a ( b − r t ) {\displaystyle a(b-r_{t})} , is exactly the same as in the Vasicek model. It ensures mean reversion of the interest rate towards the long run value b {\displaystyle b} , with speed of adjustment governed by the strictly ...
Pairs Trading: Pairs trade is a trading strategy that consists of identifying similar pairs of stocks and taking a linear combination of their price so that the result is a stationary time-series. We can then compute Altman_Z-score for the stationary signal and trade on the spread assuming mean reversion: short the top asset and long the bottom ...
Download QR code; Print/export Download as PDF; Printable version; In other projects ... move to sidebar hide. Mean reversion may refer to: Regression toward the mean ...
Vasicek's model was the first one to capture mean reversion, an essential characteristic of the interest rate that sets it apart from other financial prices. Thus, as opposed to stock prices for instance, interest rates cannot rise indefinitely. This is because at very high levels they would hamper economic activity, prompting a decrease in ...