See! You cannot rely on just pure quant for forex trading: GBP/USD edges lower on U.S. home sales report
It all about various factors including news sentiment which has adverse market impact
This is a fine example where you cannot rely on just modelling or whatever analytics alone
http://www.investing.com/news/forex-news/forex—gbp-usd-edges-lower-on-u.s.-home-sales-report-296832
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NOTE I now post my TRADING ALERTS into my personal FACEBOOK ACCOUNT and TWITTER. Don't worry as I don't post stupid cat videos or what I eat!