While it's nice to avoid fees, a zero spread account can still end up costing you a per-trade commission, and even worse -- spreads can potentially widen in a zero spread account even if it is commission-free. Depending on your strategy and trading needs, a zero spread account might not be good for you if certain order types or execution methods are not available. The key is knowing what the average spreads are, and whether there are any per-trade commissions -- this allows you to calculate the effective spread. schoolLearn more about forex trading Check out my in-depth, Forex 101 educational series to learn more about spreads, currency trading, how to calculate pips in the forex market, how leverage works for forex traders, and more.