OAP 040 : Option Alpha Launches “SIGNALS” The 20-Year Technical Analysis Backtesting Report

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Alpha is a measure of the active return on an investmentthe performance of that investment compared with a suitable market index. Alpha, along with betais one of option alpha signals download key coefficients in the capital asset pricing model used in modern portfolio theory and is closely related to other important quantities such as standard deviationR-squared and the Sharpe ratio.

In modern financial markets, where index funds are widely available for purchase, alpha is commonly used to judge the performance of mutual funds and similar investments. As these funds include various fees normally expressed in percent terms, the fund has to maintain an alpha greater than its fees in order to provide positive gains compared with an index fund.

Historically, the vast majority of traditional funds option alpha signals download had negative alphas, which has led to a flight of capital to index funds and non-traditional hedge funds.

It is also possible to analyze a portfolio of investments and calculate a theoretical performance, most commonly using the capital asset pricing model CAPM.

Returns on that portfolio can be compared with the theoretical returns, in which case the measure is known as Jensen's alpha. This is option alpha signals download for non-traditional or highly focused funds, where a single stock index might not be representative of the investment's holdings. It is the intercept of the security characteristic line SCLthat is, the coefficient of the constant in a market model regression. It can be shown that in an efficient marketoption alpha signals download expected value of option alpha signals download alpha coefficient is zero.

Therefore, the alpha coefficient indicates how an investment has performed after accounting for the risk it involved:. In this context, because returns are being compared with the theoretical return of CAPM and not to a market index, it would be more accurate to use the term of Jensen's alpha. A belief in efficient markets spawned the creation of market capitalization weighted index funds that seek to replicate the option alpha signals download of investing in an entire market in the weights that each of the equity securities comprises in the overall market.

In fact, to many investors, [ citation needed ] this phenomenon created a new standard of performance that must be matched: The name for the additional return above the expected return of the beta adjusted return of the market is called "Alpha". Besides an investment option alpha signals download simply making more money than a passive strategy, there is another issue: The passive strategy appeared to generate the market-beating return over periods of 10 years or option alpha signals download.

This strategy may be risky for those who feel they might need to withdraw their money before a year holding period, for example. Thus investment managers who employ a strategy which is less likely to lose money in a particular year are often chosen by those investors who feel that they might need to withdraw their money sooner. Investors can use both alpha and beta to judge a option alpha signals download performance.

If the manager has had a high alpha, but also a high beta, investors might not find that acceptable, because of the chance they might have to withdraw their money when the investment is doing poorly. From Wikipedia, the free encyclopedia. For other uses, see Alpha disambiguation. This article needs additional citations for verification.

Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. March Learn how and when to remove this template message. Primary market Secondary market Third market Fourth market. Common stock Golden share Preferred stock Restricted stock Tracking stock. Authorised capital Issued shares Shares outstanding Treasury stock. Electronic communication network List of stock exchanges Trading hours Multilateral trading facility Over-the-counter.

Alpha Arbitrage pricing theory Beta Bid—ask spread Book value Capital asset pricing model Capital market line Dividend discount model Dividend option alpha signals download Earnings per share Earnings yield Net asset value Security characteristic line Security market line T-model.

Algorithmic trading Buy and hold Contrarian investing Day trading Dollar cost averaging Efficient-market hypothesis Fundamental analysis Growth stock Market timing Modern portfolio theory Momentum investing Mosaic theory Pairs trade Post-modern portfolio theory Random walk hypothesis Sector rotation Style investing Swing trading Technical option alpha signals download Trend following Value investing.

Activist shareholder Distressed securities Risk arbitrage Special situation. Algorithmic trading Day trading High-frequency trading Prime brokerage Program trading Proprietary trading. Arbitrage pricing theory Assets under management Black—Scholes model Greeks finance: Vulture funds Family offices Financial endowments Fund of hedge funds High-net-worth individual Institutional investors Insurance companies Investment banks Merchant banks Pension funds Sovereign wealth funds.

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