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發表於 2010-5-16 22:03:40
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回復 piggy3616
原來係咁,唔該豬小姐
Billy 發表於 2010-5-16 07:53 PM
When the market is volatile, dealer will make the spread bigger.......to $1, 1.2, 1.5, 2.....
so, when you want to trade, you will think........if you buy or sell....... whether the price will rise or fall..... at least that can cover the spread........ if you think cannot rise or fall for more than the spread, then you may not trade at that time.........
Normally the spread will be bigger......while US data is announced, when FOMC / UK / Europe announce interest rate decision, or any sudden crisis (Greece / PIIGS / Goldman Sach issue and etc) ... or during great fall or great rise........... |
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