Thank you very much for your reply. I think today's selling pressure is high. However, CALL and PUT options are balanced at SPY 118 today. And today is supposed to be a bullish day as it is the third last trading day of the month.
10:30 am ET以后有新低了,按理是strong downtrend day啊。
Cobra 发表于 2010-10-27 12:38