Quote from Chood:
Post below is recently from a "Senior Member" of the much-touted forum at Oanda, the fx retailer that, we're told, is honest and the "best" of the bucketshops. The senior Oandian is replying to another Oandian's ire over having his limit orders dishonored by Oanda, while his stops are always filled instantly (i.e., "misquotes" always running in the shop's favor, never in the customer's, a problem I learned about with the fx retailer I used):
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"My perception is, that they are doing a double work on us: automatic shading is linked via a formula to something which calculates the probability of them being hit on one or another side of market in function of customer positioning and speed of market move.
You cannot work against this, but you can live with it if you trade directionally, as you tend to get in and get out on the same kind of offset if you are fast.
The other thing, which they do only in quiet markets, is to manually move the price in front of stop and limit orders, to maximize the execution profit further, and to avoid that, you should not be leaving orders close to the market, but instead execute your trades by yourself, especially the stops.
So keep your stops wider, and execute them manually when your normal level is reached."
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If the above is "honest" and "best," I'd hate to see the dishonest and worst.