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To: Elmer Phud who wrote (218567)12/2/2006 1:53:13 AM
From: MagratheaRead Replies (1) | Respond to of 275872
 
My point with the option Stats is

1. People have asked for a source of Option Quotes and they are difficult to find, at least for free.

2. No regular Option Quote service shows the change in open interest from day to day. Maybe it is useful information. Maybe it is not. Let's see.

3. Maybe something can be learned about probability of gain or loss in the stock. For that, we have to gather data day by day, since historical quote data is harder to come by. Only be doing that can we see unusual changes in Open Interest and what, if any, implication that has for stock movement.

I figured points 1, 2, & 3 were obvious.

I am not going to add commentary except to note 1 or 2 of the unusual moves (volume or price*vol). I'm going to gather data first before waxing in opinions and probabilities.

Perhaps you were but you didn't say that.
Writers of 2/3 of Nov Puts had their puts expire in the money. "Nov. Put writers had their clocks cleaned." Yes, not ALL writers, but the writers of most Puts.
Thank you for splitting hairs.

-Magrathea