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Andrew26

02/27/13 10:18 AM

#31260 RE: pe-20-4-siaf #31258

This 64-66 area is very hard for many days already. Lots of sellers, one huge via NITE putting back up large chunk on ask. Might be retail, hard to say.
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tomatotom

02/27/13 10:21 AM

#31261 RE: pe-20-4-siaf #31258

One tip-off that machine or bot trading is happening is to look at the bid/ask. If the reading is in hundredths or thousandths, it is from a bot. The programs work by trading high volumes at incredibly slim margins. They expect to make their profit when humans make their buys/sells at whole number prices.