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Exploring stochastic volatility in financial market

Author

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  • Samuel Tabot Enow

    (Research Associate, The IIE VEGA School)

Abstract

Financial markets areconstantly fluctuating in response to a range of factors. These fluctuations connote volatility which are unpredictable behaviour that deviates significantly from the patterns observed in stable conditions. It is therefore important to use standard stochastic volatility models to capture the time-varying nature of volatility during periods of financial distress in other to make informed decisions. The aim of this study was to explore stochastic volatility in financial markets during periods of financial distress using a Heston model. The sample financial markets were, the CAC 40, the DAX, the JSE, the Nasdaq Index and the Nikkei-225. The 2007/2008 financial crisis and the Covid-19 pandemic were used as sample time frames. The findings of this study revealed extortionate stochastic volatility during the Covid-19 pandemic compared to the 2007/2008 financial crisis. Since the 2007/ 2008 crisis stemmed from a collapse in the financial system, the nature of the event was more localized within the financial sector and had a somewhat more predictable unfolding than the Covid-19 pandemic. By Implication, it may be suggested that it was more difficult to price assets during the Covid-19 pandemic due to extreme uncertainty which resulted in inflated option premiums as investors sought hedging strategies. Key Words:Stochastic volatility; Heston model; financial distress; Covid-19 pandemic; asset pricing

Suggested Citation

  • Samuel Tabot Enow, 2025. "Exploring stochastic volatility in financial market," International Journal of Research in Business and Social Science (2147-4478), Center for the Strategic Studies in Business and Finance, vol. 14(1), pages 74-79, January.
    • Handle: RePEc:rbs:ijbrss:v:14:y:2025:i:1:p:74-79
    DOI: 10.20525/ijrbs.v14i1.3837
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