Well visually the curve are similar, but not some indicators. I have checked the FXCM website and they give even less details than LMAX. Well I guess that we should know wich asset are we trading. If is just a strategy developed for FXCM ok, I will not complain, just let me know. I guess that the same problem will arise when developing the IB connector. I could be wrong but they use the LMAX feed...