FX-Circulation Arbitrage System  is a foreign exchange account focusing on medium-term stable capital appreciation. Besides the stable operation in the currency portfolio, the account operator will properly follow the investment trend with the stable operation according to the foreign exchange market fluctuation. Furthermore, the quantifier-multiplication Hedinge System will be used at the same time to implement the low-risk hedge operation in the case of facing higher market fluctuation. The duality of investment programs attempts to create an investment portfolio with low risk, balanced investment and stable profit.