6
As a result, there are surges in the course
The next point is the use of the volatility of the couple. Some quotes with the presence of certain currencies are quite volatile.
As a result, there may be sharp leaps in the course. Therefore, such pairs must be used and the least volume. And the last rule: during the closing periods of the trade week or month, you must be as careful as possible, since by the end of the period your strategy may fail, the reason for this may be news releases. Of course, with the experience acquired, you can develop your own rules and exceptions to them, but you should not do it at the initial stages of your trading.