things those order standard how fair is the forex market? surprise ask rate objective strength improvement effective pessimism tomorrow next (tom/next) china suffer what is the difference? software first out rating system correlations increase support levels point forecast analysts profits good 'til cancelled order (gtc) roll-over currency risk one cancels the other order (oco) inability international counterparty strategies over the counter (otc ) construction initial margin program inflation greed aversion psychology negative since central bank australian sessions could problems