Tuesday, February 27, 2007

Market Selloff and NYSE Trading Collars

Dramatic down days in the market are intriguing for several reasons. First of all because it gives us a glimpse into the psychology of the markets and how interconnected markets from around the world have become. Second of all it gives us a little bit of information about some of the structures of the markets that we usually don't even think about.

For those of you who are reading articles about why the market dropped off today you may have come across the term "trading collars." Check out the rules the NYSE has in place to prevent dramatic declines and dramatic increases in the markets:


These rules are in place to keep the markets orderly. The trading collars were implemented around 3PM this afternoon. No doubt today was a hectic day on Wall St. Today is precisely the kind of day that reminds me why I have no interest in being a trader!

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