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Manipulation in the VIX? (2017)

At the settlement time of the VIX Volatility Index, volume spikes on S&P 500 Index (SPX) options, but only in out-of-the-money options that are used to calculate the VIX, and more so for options with a higher and discontinuous influence on VIX. The authors investigate alternative explanations of hedging and coordinated liquidity trading. Tests ...

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