knowing the right position to enter or buy coins such as ethereum and BNB, in my opinion is during the bearish season. If you have the courage and good analysis, you can enter at the start of the bull run. When a correction occurs, that is still the right time to buy.
Any position is right as long as you hold it long enough. This is for Bitcoin:
The more recent years are at the bottom of the page but my screen is not large enough to show them all. Basically there is one giant patch at the bottom right corner where 2022/2023 is and that's basically it.
Source:
https://hodl.camp