Maximum likelihood estimation of stock volatility using jump-diffusion models
We investigate whether there are systematic jumps in stock prices using the Brownian motion approach and Poisson processes to test diffusion and jump risk, respectively, on Johannesburg Stock Exchange and whether these jumps cause asset return volatility. Using stock market data from June 2002 to Se...
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| Format: | Article |
| Language: | English |
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Taylor & Francis Group
2019-01-01
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| Series: | Cogent Economics & Finance |
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| Online Access: | http://dx.doi.org/10.1080/23322039.2019.1582318 |