New answers tagged automated-trading
First, that's a common thing in active hours. Since you are dealing with fx, you should ask Hotspot representative what kind of liquidity are you getting. Usually, if you want to aggress on those crossing prices, you won't be able to. Imagine everybody trying to do arb on that. So, ask Hotspot what kind of liquidity they are sending you.
Some exchanges do provide their historic margin requirements. For CME: http://www.cmegroup.com/clearing/risk-management/historical-margins.html Caveat for above link is that this is the margin imposed by the exchange on their members. May or may not be the margin your broker imposes on your account. Hope this helps.
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