      For example, if GSCO switches from ask to bid, other market makerswill often follow suit. When this happens, many traders take note and oftenadjust their positions accordingly. Unfortunately, GSCO and other marketmakers are well aware of this and use this action to fake traders out. Itis only by paying close attention that a trader can evaluate whether asavvy market maker is trying to fake you out. This is why having anindicator that reveals which market makers have been at the inside quotethe most times is so important. It helps to show the market makers' trueintention.