Hello, Does somebody has experiences about limit orders fills on TY and US? On those instruments, it seems like the algorythm is FIFO. So what is the typical time frame to use to have a chance to buy at bid / sell at ask through limit orders? I know it depends of the book, levels... but what would you consider a good TF to get a chance to be filled ( on tops and bottoms of bars for example... ) ? For example, if I use a typical channel system which shorts limit on UpperBand and buys limit on LowerBand on 30 min TF, is it too fast ? Thanks.