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Identifying Speculative Demand Shocks in Commodity Futures Markets through Changes in Volatility

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  • Michael Hachula
  • Malte Rieth

Abstract

This paper studies the effects of financial speculation on commodity futures returns, using publicly available data from the US Commodity Futures Trading Commission, aggregated by trader groups. We exploit the heteroskedasticity in the weekly data to identify exogenous variation in speculators’ positions. The results suggest that idiosyncratic net long demand shocks of both index investors and hedge funds increase futures returns. They further indicate that these shocks are a relevant driver of returns, especially during periods of high speculative demand volatility. These findings confirm significant price effects of financial investments, complementing existing evidence based on disaggregated and proprietary daily data.

Suggested Citation

  • Michael Hachula & Malte Rieth, 2017. "Identifying Speculative Demand Shocks in Commodity Futures Markets through Changes in Volatility," Discussion Papers of DIW Berlin 1646, DIW Berlin, German Institute for Economic Research.
    • Handle: RePEc:diw:diwwpp:dp1646
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    References listed on IDEAS

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    More about this item

    Keywords

    Financialization; hedge funds; index investors; market structure; liquidity; limits to arbitrage; heteroskedasticity;
    All these keywords.

    JEL classification:

    • Q02 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - General - - - Commodity Market
    • G13 - Financial Economics - - General Financial Markets - - - Contingent Pricing; Futures Pricing
    • E39 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Other

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