Ciekawostka taki ekstremalny przykład jak opcje wpływają na kurs instrumentu bazowego:
http://www.reuters.com/article/2012/07/ ... AX20120720
Maszyna na rynku - konsekwencje.
Maszyna na rynku - konsekwencje.
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Ostatnio zmieniony 25 lip 2012, 12:16 przez Esco, łącznie zmieniany 1 raz.
Sektorowe isntrumenty jak z FWgreen7 pisze: Jeśli nawet kupowali by hedgować pozycję - to dlaczego później sprzedawali ?
http://www.forex-nawigator.biz/dyskusje ... 930#468930
R.E.P.T.I.L.E. - Robotic Electronic Person Trained for Infiltration and Logical Exploration (off-line,only e-mail)
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http://www.google.com/finance?q=NYSE:DOLE
* DJ NYSE Reviewing Trades in 148 Symbols Between 9:30-10:15 AM ET for Unusual Activity -Fox Business
01-sie-2012
(MORE TO FOLLOW) Dow Jones Newswires
August 01, 2012 10:52 ET (14:52 GMT)
DJ Volatility Rocks U.S. Stock Market, Halts Some Trading
By Jacob Bunge
Stock traders Wednesday grappled with a wave of orders that roiled the market and prompted exchanges to halt trading in some securities.
Initial signs pointed to a rogue trading algorithm, traders said, though the origins of the swings were unclear about an hour into Wednesday's session. Big price moves were seen in shares of RadioShack Corp. (RSH), Quicksilver Resources Inc. (KWK), Magnum Hunter Resources Corp. (MHR) and Dole Food Co. (DOLE).
"Down here we're continuing to trade and use all the powers and rules and regulations we have to make sure trades are executed in the proper manner," said Jonathan Corpina, senior managing partner with Meridian Equity Partners, and a floor governor at the New York Stock Exchange.
He said the issue resulted in "an exorbitant amount of volume," with orders seeking to both buy and sell stocks.
NYSE Euronext (NYX) said in a note to traders it was "reviewing trades in 148 symbols between 09:30:00 a.m. and 10:15:00 a.m. ET."
Mr. Corpina said that the issue affected dozens of stocks and prompted volatility controls to kick in, pausing some trade.
Some brokers pointed to apparent technology issues with Knight Capital Group Inc. (KCG), a major handler of stock trades for retail brokerage firms. Knight early Monday was not responding to incoming orders from its clients, according to a brokerage official, prompting one major firm to route its business elsewhere.
A spokeswoman for Knight said the company was looking into potential trading irregularities.
Shares in Knight were recently off 8.4% at $9.46 after trading as low as $9.08 Wednesday.
Write to Jacob Bunge at; jacob.bunge@dowjones.com
--Steven Russolillo contributed to this article.
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