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Jared Dillian
Traders Magazine Online News

Was it Worth It?

In this piece from 10th Man, author Jared Dillian discusses how the ETF revolution is less about ETFs and more about indexing; about how people have come to view stocks less as stocks and more as blobs of stocks.

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February 1, 2005

Taming Nasdaq Volatility

By Gregory Bresiger

Stocks become less volatile when they move from Nasdaq to the Big Board. This is according to a recent Securities and Exchange memorandum, which was authorized as part of the staff research for the Reg NMS proposal.

"On average, stocks experience a significant decline in intraday volatility upon moving from Nasdaq to the NYSE. We find the same result regardless of whether we use five-minute return intervals to compute volatility, 60-minute intervals, or any other interval between five and 60 minutes," according to the SEC's Office of Economic Analysis (OEA).

The OEA, which monitored 91 stocks for some three years [see chart], nevertheless said this suggests that, "there is a greater tendency on Nasdaq for short-term stock deviations of stock prices away from their fundamental values."