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Technology Stocks : Amazon.com, Inc. (AMZN)
AMZN 239.26-1.0%Jan 30 3:59 PM EST

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To: Don Westermeyer who wrote (760)11/12/1997 5:36:00 PM
From: Bilow  Read Replies (2) of 164685
 
I can't believe I used ESP to announce the options trading on
this puppy two days early.

My take on the effect of options trading is that mostly they
increase volatility in the stock. It's essentially cause options
increase nonlinearly in value when the stock moves in a
profitable direction. Consequently, the hedge on the other
side has to increase the hedge. This tends to magnify market
moves.

Eventually, the option holder exits his position, and the hedger
unwinds. Then the volatility is removed.

The overall effect is to increase volatility for short periods of
time, say under 1 month, while leaving longer term volatility
more or less unchanged.

This is all under the assumption that retail clients are net
purchasers of options. If they are net sellers, (for instance
selling covered calls and covered puts,) the short term
volatility is reduced.

-- Carl
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