单向双向：某些产品的手续费只在开仓时收取，有些则在开仓和平仓时都收取； These Documents give information about a business’s skill to produce revenues, control fees, and make earnings. This technique calculates the value of the trade based upon The existing as well as the prior working day's rates. The formula for rate affect using the revaluation process is The Bottom Line waiting for link from Press Release (93)