다만 환율은 워낙 변수가 많아 방향성 예측 자체가 어렵기 때문에 무분별한 환테크에 주의해야 한다는 지적도 나온다.
However, some point out that the exchange rate has so many variables that it is difficult to predict the direction itself, so one should be careful about reckless foreign exchange technology.