New related paper to #237 - Dispersion Trading Thursday, 21 May, 2015

#237 - Dispersion Trading

Authors: Deng

Title: Volatility Dispersion Trading

Link: http://papers.ssrn.com/sol3/papers.cfm?abstract_id=1156620

Abstract:

This papers studies an options trading strategy known as dispersion strategy to investigate the apparent risk premium for bearing correlation risk in the options market. Previous studies have attributed the profits to dispersion trading to the correlation risk premium embedded in index options. The natural alternative hypothesis argues that the profitability results from option market inefficiency. Institutional changes in the options market in late 1999 and 2000 provide a natural experiment to distinguish between these hypotheses. This provides evidence supporting the market inefficiency hypothesis and against the risk-based hypothesis since a fundamental market risk premium should not change as the market structure changes.

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New related paper to #5 - FX Carry Trade Friday, 15 May, 2015

#5 - FX Carry Trade

Authors: Nunes, Piloiu

Title: Uncovered Interest Rate Parity: A Relation to Global Trade Risk

Link: http://papers.ssrn.com/sol3/papers.cfm?abstract_id=2595165

Abstract:

The paper gives evidence of a novel pricing factor for the cross-section of carry trade returns based on trade relations between countries. In particular, we apply network theory on countries' bilateral trade to construct a measure for countries' exposure to a global trade risk. A higher level of exposure implies that the economic activity in one country is highly dependent on the economic activity of its trade partners and on aggregate trade flow. We test the following hypothesis for carry trade strategies: high interest rate currencies are more exposed to global trade risk than low interest rates ones. We find empirically that low interest rate currencies are seen by investors as a hedge against global trade risk while high interest rate currencies deliver low returns when global trade risk is high, being negatively related to the global trade risk factor. These results provide evidence on the underlying macroeconomic sources of systematic risk in FX markets while accounting as well for other previously documented risk factors, such as the market factor and the volatility and liquidity risks.

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New related paper to #3 - Sector Momentum - Rotational System Monday, 11 May, 2015

#3 - Sector Momentum - Rotational System

Authors: Du Plessis, Hallerbach

Title: Volatility Weighting Applied to Momentum Strategies

Link: http://papers.ssrn.com/sol3/papers.cfm?abstract_id=2599635

Abstract:

We consider two forms of volatility weighting (own volatility and underlying volatility) applied to cross-sectional and time-series momentum strategies. We present some simple theoretical results for the Sharpe ratios of weighted strategies and show empirical results for momentum strategies applied to US industry portfolios. We find that both the timing effect and the stabilizing effect of volatility weighting are relevant. We also introduce a dispersion weighting scheme which treats cross-sectional dispersion as (partially) forecastable volatility. Although dispersion weighting improves the Sharpe ratio, it seems to be less effective than volatility weighting.

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New related paper to #12 - Pairs Trading with Stocks Tuesday, 5 May, 2015

#12 - Pairs Trading with Stocks

Authors: Almeida

Title: Improving Pairs Trading

Link: http://papers.ssrn.com/sol3/papers.cfm?abstract_id=2432061

Abstract:

This paper tests the Pairs Trading strategy as proposed by Gatev, Goetzmann and Rouwenhorts (2006). It investigates if the profitability of pairs opening after an above average volume day in one of the assets are distinct in returns characteristics and if the introduction of a limit on the days the pair is open can improve the strategy returns. Results suggest that indeed pairs opening after a single sided shock are less profitable and that a limitation on the numbers of days a pair is open can significantly improve the profitability by as much as 30 basis points per month.

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New related paper to #20 - Volatility Risk Premium Effect Thursday, 30 April, 2015

#20 - Volatility Risk Premium Effect

Authors: Israelov, Nielsen

Title: Still Not Cheap: Portfolio Protection in Calm Markets

Link: http://papers.ssrn.com/sol3/papers.cfm?abstract_id=2579232

Abstract:

Recent equity volatility is near all-time lows. Option prices are also low. Many analysts suggest this represents a good opportunity to purchase put options for portfolio insurance. It is well-known that portfolio insurance is expensive on average, but what about in calm markets? History suggests it still is. We investigate the relationship between option richness and volatility across ten global equity indices. Option prices may be low, but their expected values tend to be even lower.

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