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To: Sr K who wrote (44603)5/24/1998 1:17:00 PM
From: Bilow  Read Replies (1) | Respond to of 176387
 
About those Nov 55 DELL puts... I went through the
arbitrage equation versus the Nov 55 DELL calls, and
sure enough, the market maker is under-pricing the
puts relative to the calls.

(i.e. the long the stock, short the call, long the put
locks in a profit at expiration, while short the stock,
long the call, and short the put locks in a substantial
loss at expiration.)

The upshot is that obviously someone did sell a lot
of puts, rather than buying them, and this has driven
the price of the puts to a cheap level. (Except that
the implied volatility for both the calls and the puts
is kind of high.)

-- Carl