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Strategies & Market Trends : From the Trading Desk -- Ignore unavailable to you. Want to Upgrade?


To: Ira Player who wrote (2889)4/20/1998 10:01:00 PM
From: Jack Zahran  Read Replies (2) | Respond to of 4969
 
Ira,

There must be a mechanism in place for determining if any shares are available to short. For example, today on CNBC they were discussing how large investors will move their positions from their margin accounts to their cash accounts so that the number of shares shortable decreases. This forces the shorts to cover since they can't settle.

This to me implies a mechanism to track shorting. Maybe Steve can shed some light on this, as I am not sure...

JZ



To: Ira Player who wrote (2889)4/21/1998 1:22:00 AM
From: Robert Graham  Read Replies (1) | Respond to of 4969
 
Ira, I hope you do not stay up nights thinking about this! ;)

Bob Graham



To: Ira Player who wrote (2889)4/22/1998 10:13:00 PM
From: eWhartHog  Read Replies (1) | Respond to of 4969
 
>>Please explain any mechanism for preventing shorting "an infinite loop".>>

I think a practical limitation on an infinite shorting loop would be that on each succeeding round less than 100% of the stock will be placed in margin accounts and be available for shorting. Some proportion of stock is purchased by pension plans and other cash accounts and lending of this stock may not be allowed. Some stock is registered and placed in safe-deposit boxes.