Zero-investment portfolio

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Zero-investment portfolio

A portfolio of zero net value established by buying and shorting component securities, usually in the context of an arbitrage strategy.

Zero-Investment Portfolio

A portfolio consisting of long positions and short positions with no combined net worth. To give a very simple example, suppose one buys 100 shares in AT&T while simultaneously selling 100 shares; this creates a zero-investment portfolio. A zero-investment portfolio has the advantages of carrying little or no risk and reducing taxes. Obviously, however, there is little or no return on a zero-investment portfolio.
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5) Can we build a zero investment portfolio based on analyzed risk factors?
4) creating an adequate zero investment portfolio that fully reflects the influence of particular risk factor on equity risk premiums,
Based on these returns we created cumulative returns for HML and then LMH zero investment portfolio.
Similarly, based on these returns we created cumulative returns for SMB and then a BMS zero investment portfolio.
The difference of returns of these extreme decile groups is calculated again for each weekly interval and based on that we create cumulative returns for WML and then an LMH zero investment portfolio.
3) we can build a zero investment portfolio with positive alpha based on analyzed risk factors.
From our hypothesis, the expected return of a zero investment portfolio that shorts stocks with low IDVOL betas and buys stocks with high ]DVOL betas should be negative.
Zero investment portfolios that long the highest 20% of IDVOL beta stocks and short lowest 20% of IDVOL beta stocks have abnormal returns of about -0.
Our general procedure is to sort stocks at the beginning of each month based on IDVOL betas estimated over the prior 36 months, and construct zero investment portfolios by shorting low IDVOL beta stocks and using the proceeds to purchase high IDVOL beta stocks.
t] to estimate Equation (12), we use two different weighting schemes when forming the zero investment portfolios, forming portfolios that are equal-weighted (EW) and value-weighted (VW), respectively.
More importantly, the alphas for the zero investment portfolios are all negative, ranging from -0.
When we construct our zero investment portfolios, the RIDVOL of the long and short sides of the portfolio will be equal and their dispersion in the zero investment portfolios will be neutralized.