而美国的同一指数波动了46%。

The equivalent index in America briefly surged, by 46%.

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这张图上也标示了过去30个交易日里SP500指数的波动性。

The chart also displays the S&P 500's volatility, as determined by its swings during the past 30 trading days.

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如果整体差额足够大（在本例中是指大于 80），则已经检测到足够的波动并且将在 eventString 中设置关闭按压条件。

If the overall difference is great enough (greater than 80 in this case), enough wiggle has been detected and the close-pinch condition is set in eventString.

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