We analyze volatility contagion between the U.S. and Chinese stock markets international capital markets. The is modeled using: GARCH, TARCH, EGARCH, APARCH, IGARCH, FIGARCH, ACGARCH GAS models under Gaussian, GED t-Student distributions. 21,000 intraday observations of thirteen from January/1st to June/25th 2020 are employed. Once modeled, incidence American on rest bourses tested employing Ve...