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Trades posted after the close Rate this Topic:
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fjames3
Posted : Tuesday, September 19, 2006 7:37:46 PM
Gold Customer Gold Customer

Joined: 12/7/2004
Posts: 4
I have been watching intra-days on certain stocks (namely Monsanto -MON - for this example) and have recognized that a significant number of trades in large blocks trade after the bell (usually witin 20 minutes)and typically at one price. This is after trades of 100, 200, 500 shares trading up to the close.

For Monsanto this pattern has been 10-15% of the entire days trading volume. Today it occured in 13 trades of 13,300 shares and 1 trade of 27,700. Often the price is not even within the bid/ask price at closing. This is a daily occurance, not an anomaly.

Could you tell me why this is happening?

Thanks
diceman
Posted : Tuesday, September 19, 2006 11:47:40 PM
Registered User
Joined: 1/28/2005
Posts: 6,049
Check out this post:

GOOG - interesting after hours action...


I dont trust info after the bell.


Thanks
diceman
Craig_S
Posted : Wednesday, September 20, 2006 2:59:19 AM


Worden Trainer

Joined: 10/1/2004
Posts: 18,819
This is not a question for Trainers to answer. Moving to Market Talk.

- Craig
Here to Help!
memorableproducts
Posted : Wednesday, September 20, 2006 8:50:52 AM

Registered User
Joined: 3/25/2005
Posts: 864
It is my understanding that the market makers
shore up their order books by matching and filling
trades from the extended hours trading that occurs
prior to the current day's market open during the
first 15-20 minutes after the opening a new trading day.

Perhaps a similar situation is occurring upon the
market close whereby the market makers are shoring
up their order books with trades that were placed
at the market close as well as trades that were placed on limit before the market close and they are taking 15-20 minutes to finish things up before they call it a day and go home.

There is an order-type called 'Market On Close' where a trade can be placed right at the close of the market using the current bid/ask at the market close.
Perhap several money managers are making large trades
at the end of the day by using this feature.

BigBlock
Posted : Wednesday, September 20, 2006 8:17:00 PM
Registered User
Joined: 10/7/2004
Posts: 2,126
I think we went over this topic not long ago. There is a resetting between 4:00 and 4:15 to get the after market session going. That is all.
What is it with you guys, there is no dinamic market after the closing, and the big boys do not stay after hour.
Most after hrs trading is retail folks.
good luck
Bigblock.
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