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Scale-, time- and asset-dependence of Hawkes process estimates on high frequency price changes

Wehrli, Alexander; Wheatley, Spencer; Sornette, Didier - 2020

The statistical estimate of the branching ratio η of the Hawkes model, when fitted to windows of mid-price changes, has been reported to approach criticality (η = 1) as the fitting window becomes large. In this study -- using price changes from the EUR/USD currency pair traded on the...

Persistent link: https://www.econbiz.de/10012219363

Classification of flash crashes using the Hawkes(p,q) framework

Wehrli, Alexander; Sornette, Didier - 2020

Persistent link: https://www.econbiz.de/10012419619

Scale-, time- and asset-dependence of Hawkes process estimates on high frequency price changes

Wehrli, Alexander; Wheatley, Spencer; Sornette, Didier - In: Quantitative finance 21 (2021) 5, pp. 729-752

Persistent link: https://www.econbiz.de/10012500185

The endo-exo problem in high frequency financial price fluctuations and rejecting criticality

Wheatley, Spencer; Wehrli, Alexander; Sornette, Didier - In: Quantitative finance 19 (2019) 7, pp. 1165-1178

Persistent link: https://www.econbiz.de/10012194752

Classification of flash crashes using the Hawkes(p,q) framework

Wehrli, Alexander; Sornette, Didier - In: Quantitative finance 22 (2022) 2, pp. 213-240

Persistent link: https://www.econbiz.de/10013167733