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In Andersen and Bondarenko (2014), using tick data for S&P 500 futures, we establish that the VPIN metric of Easley, Lopez de Prado, and O'Hara (ELO), by construction, will be correlated with trading volume and return volatility (innovations). Whether VPIN is more strongly correlated with volume...
Persistent link: https://www.econbiz.de/10011099292
Easley, Lopez de Prado and O'Hara introduce VPIN as a real-time indicator of order flow toxicity. They find it useful for monitoring order fl ow imbalances and signaling impending market turmoil, exemplified by the ash crash. They also deem VPIN a good forecaster of short-term volatility. In...
Persistent link: https://www.econbiz.de/10009644870
The VIX index is computed as a weighted average of SPX option prices over a range of strikes according to specific … measure, distorting the time series properties of VIX. We introduce a novel “Corridor Implied Volatility” index (CX) computed … of the high-frequency volatility dynamics. Moreover, the VIX measure is particularly unreliable during periods of market …
Persistent link: https://www.econbiz.de/10009644871
-minute) returns, implied Black-Scholes volatility backed out from observed option prices, model-free implied volatility (VIX …
Persistent link: https://www.econbiz.de/10008525437
The notion of model-free implied volatility (MFIV), constituting the basis for the highly publicized VIX volatility … return distribution. This is reflected in practice as the VIX index is computed through a tail-truncation which renders it …
Persistent link: https://www.econbiz.de/10005440033