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Interview
Meet the Expert: Roni Israelov on Volatility
October 31, 2018
AQR Principal Roni Israelov answers questions about the volatility risk premium (VRP), including how it is similar to other alternative risk premia and how AQR implements it.
Journal Article
Risk and Return of Equity Index Collar Strategies
July 1, 2016
Equity index collar strategies are often perceived as a way for investors, at little to no cost, to exchange some upside exposure for reduced losses on the downside.
Journal Article
International Diversification Works (Eventually)
May 1, 2011
Critics of international diversification observe that it does not protect investors against short-term market crashes because markets become more correlated during downturns.
Journal Article
Still Not Cheap: Portfolio Protection in Calm Markets
August 3, 2015
This paper investigates the relationship between option richness and volatility across 10 global equity indices.
Working Paper
Give Credit Where Credit Is Due: What Explains Corporate Bond Returns?
May 17, 2019
We examine the risk and returns of U.S. corporate bond indices using a set of economically-motivated factors and find that options markets explain a great deal of credit returns.
Journal Article
Embracing Downside Risk
January 15, 2017
This paper shows that downside risk tends to be the main source of long-run returns in equities and other asset classes, and argues that long-term investors may be better off embracing downside risk in certain cases.
White Paper
PutWrite versus BuyWrite: Yes, Put-Call Parity Holds Here Too
March 31, 2017
Surprisingly, the CBOE S&P 500 PutWrite Index has outperformed the CBOE S&P 500 BuyWrite Index by around 1.1 percent annually between 1986 and 2015. We explain the mystery behind this outperformance and its implications for portfolio construction.
Journal Article
To Trade or Not to Trade? Informed Trading With Short-Term Signals for Long-Term Investors
September 1, 2011
One of the great frustrations in the asset management profession is to watch trading costs render useless a signal that predicts near-term returns beautifully.
Working Paper
Which Index Options Should You Sell?
July 7, 2017
We study return and risk properties of equity-hedged options across the S&P 500 option surface. We evaluate returns by estimating alpha to the S&P 500 and quantify risk using return volatility, losses under stress tests, and conditional value at risk.
Working Paper
Future Liquidity, Present Value: Measuring and Pricing Liquidity Risk
November 18, 2006
In 1991, John Y. Campbell showed how an asset’s return is related to new information about its future cash flows and discount rates. We extend Campbell’s return decomposition to show how it is also related to new information on future liquidity.