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FINANCIAL ECONOMICS

Market volatility and spillover across 24 sectors in Vietnam

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Article: 2122188 | Received 24 Mar 2022, Accepted 04 Sep 2022, Published online: 15 Sep 2022

Figures & data

Figure 1. Total stock trading accounts in Vietnam over the period from 2015 to 2021.

Data source: The State Securities Commission of Vietnam (SSC)
Figure 1. Total stock trading accounts in Vietnam over the period from 2015 to 2021.

Figure 2. (a) The Vietnamese stock market index and 24 Vietnamese sectors indices volatility from 2012 to 2021. (b.) The Vietnamese stock market and 24 Vietnamese sectors indices volatility during the Covid-19 period of 2020–2021.

Figure 2. (a) The Vietnamese stock market index and 24 Vietnamese sectors indices volatility from 2012 to 2021. (b.) The Vietnamese stock market and 24 Vietnamese sectors indices volatility during the Covid-19 period of 2020–2021.

Table 1. The market volatility of 24 Vietnamese sectors using ARMA-GARCH estimations, an entire period 2012–2021

Table 2. The market volatility of 24 Vietnamese sectors using ARMA-GARCH estimations, the COVID-19 pandemic 2020–2021

Table 3. The market volatility spillovers 24 sectors in Vietnam

Figure 3. Market volatility across 24 sectors in Vietnam, the entire period 2012–2021.

Figure 3. Market volatility across 24 sectors in Vietnam, the entire period 2012–2021.

Figure 4. The total spillover effect of all sectors over the 2012–2021 period.

Note: The red line marks the date of 23 January 2020, when the first Covid-19 case was recorded in Vietnam.
Figure 4. The total spillover effect of all sectors over the 2012–2021 period.

Figure 5. Spillover effects of 24 sectors in Vietnam over the 2012–2021 period.

Note: The red line marks the date of 23 January 2020, when the first Covid-19 cases were recorded in Vietnam.
Figure 5. Spillover effects of 24 sectors in Vietnam over the 2012–2021 period.

Figure 6. The comparison of the Vietnamese sectoral volatility spillover between the pre-and during the Covid-19 pandemic

Blue (yellow) nodes illustrate the net transmitter (receiver) of shocks. Vertices are weighted by the averaged net pairwise directional connectedness measures. The size of the nodes represents the weighted average net total directional connectedness.
Figure 6. The comparison of the Vietnamese sectoral volatility spillover between the pre-and during the Covid-19 pandemic

Figure 7. Robustness test of the total volatility spillover of the Vietnamese stock market.

Figure 7. Robustness test of the total volatility spillover of the Vietnamese stock market.