      The final disadvantage of using SOES is that you cannot SOES an ECN.When an ECN comes to the inside bid or ask while you have an orderoutstanding, it is automatically rejected and you cannot re-enter the SOESorder until the ECN leaves the inside quote. If you were first in line tobe executed before the ECN showed up, you would lose your place in line andhave to queue again after the ECN leaves. Expected in 1999, Nasdaq will beimplementing a policy that will allow a trader using SOES to remain inqueue for 90 seconds when an ECN comes to the inside market. In themeantime, however, traders are stuck with this disadvantage. SOES is mosteffective in calm stocks. When the stock is stagnating, a SOES order is oneof the quickest, most reliable ways to execute a trade.