There is a belief that the up trend began if the indicator crosses the upper information line bottom-up. And there is also a belief that the down trend began if the indicator crosses the lower information line from top downward. The trend is considered as continuing as long as the RAVI line grows.
If we consider the method of ADX drawing then we can note that the indicator has two smoothings . រ៉ាវីមានភាពរលូនមួយ. នេះធ្វើឱ្យសូចនាករងាយ, ហើយវាប្រាប់អំពីការចាប់ផ្តើមនិងចុងបញ្ចប់នៃនិន្នាការមុនជាង 18 ថ្ងៃ ADX នេះ.