To my knowledge FXCM does not have any relationship with SigmaForex.
When you download MT4 from any provider you are able to see price streams from many MT4 providers, however you are only trading on the prices provided to you by the broker where you have your account.
Jaclyn Sales
FXCM
Financial Square
32 Old Slip, 10th Floor
New York, NY 10005
Dir (646) 432-2463
Tel (212) 897-7660
jsales@fxcm.com
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