Data Management

Hedging: Scaling And The Investor Horizon

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Executive Summary

This paper examines the volatility and covariance dynamics of cash and futures contracts that underlie the Optimal Hedge Ratio (OHR) across different hedging time horizons. The authors examine whether hedge ratios calculated over a short term hedging horizon can be scaled and successfully applied to longer term horizons. They also test the equivalence of scaled hedge ratios with those calculated directly from lower frequency data and compare them in terms of hedging effectiveness. The findings show that the volatility and covariance dynamics may differ considerably depending on the hedging horizon and this gives rise to significant differences between short term and longer term hedges.

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