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In this paper we investigate the potential of the analysis of noisy non-stationary time series by quantizing it into streams of discrete symbols and applying finite-memory symbolic predictors. The main argument is that careful quantization can reduce the noise in the time series to make model...
Persistent link: https://www.econbiz.de/10005841656
uences expected returns and volatility forecasts of individual investors. Via e-mail, we asked a randomly selected group of …
Persistent link: https://www.econbiz.de/10005844823
investors perhaps overestimate the volatility of equity returns. Both facts reduce the puzzle. However, data on beliefs about … output volatility (Survey of Professional Forecasters) shows marked overconfidence. On balance, the equity premium is …
Persistent link: https://www.econbiz.de/10005858345
We compare the forecasts of Quadratic Variation given by Realized Volatility (RV) and Two Scales Realized Volatility … for the volatility process and assumptions on the noise. We show that TSRV largely outperforms RV, whichever one is …
Persistent link: https://www.econbiz.de/10005858520
Measuring and modeling financial volatility is the key to derivative pricing, asset allocation and risk management. The … the daily or lower frequency volatility can be obtained by summing over squared high-frequency returns. In turn, this so …{called realized volatility can be used for more accurate model evaluation and description of the dynamic and distributional structure …
Persistent link: https://www.econbiz.de/10005860514
to forecast financial markets volatility. The real data in this study uses British Pound-US Dollar (GBP) daily exchange … financial forecasting. This paper deals with the application of SVR in volatility forecasting. Based on a recurrent SVR, a GARCH …
Persistent link: https://www.econbiz.de/10005860742
A non-stationary regression model for financial returns is examined theoretically in this paper.Volatility dynamics are …
Persistent link: https://www.econbiz.de/10005869538
identically distributed normal returns, and as consequencedevelop an improved model for non-stationary returns. Therein volatility …
Persistent link: https://www.econbiz.de/10005869539
This paper shows that preferences alone cannot explain the patterns reported in the literature.
Persistent link: https://www.econbiz.de/10005843337
The objective of operations on futures markets may be either hedging or speculation. In this paper, we wish to give a desciption of futures markets with two groups of operators with heterogeneous expectations: hedgers-speculators, and pure speculators.(...)
Persistent link: https://www.econbiz.de/10005843525