Timing Volatility? Watch This Trading Hour

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Investors seeking heightened volatility will encounter it in the last hour of trading.

In the past four weeks, the Dow Industrial Index traded in a range greater than 64-points eight times.

Those moves account for about 50 percent of the last 17 trading sessions.

Indeed, the average range in the last hour is nearly 5 times higher than the point change for the day.

The table below highlights some of the moves in the Dow during the last hour of trading along with the levels for the VIX.