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quote It intends to exchange USD JPY (not USD JPY) vs all the other people, possibly buy them (risk off) or sell them together vs all other currencies (risk on). There are times you may use it too. Re your pm seeing oil and gold, the cfd differs for every broker, a few brokers only accept 1 lot to oil (wti) or 0.5 (brent) as minimum, others allow you to exchange 0.01 and have different profit/point calculation. Additional their naming differs in many brokers, Gold, XAUUSD, .Gold etc.. So it is hard to include them. And their correlations vs.. .