what they can do?
By analyzing the prices in the 3 selected periods, 3 highs and 3 lows prices are marked. With the marked points, trend and resistance lines are drawn. The current price is analyzed and useful calculations displayed in the info box. Finaly adding moving averages. After all these transactions, the trend and resistances become easily visible on the chart.
You can fine-tune the angle of the trend using high and low extensions
you can catch different by changing the high and low trend points
By changing the periods, you can set position the more accurately.
When the price is too low or too high, the information box will warn you by change color.
The to be created are for the purpose of giving an idea and convenience. It can be used on all timeframes, including horizontal trends.
In true TradingView spirit, the author of this script has published it open-source, so traders can understand and verify it. Cheers to the author! You may use it for free, but reuse of this code in a publication is governed by House Rules. You can favorite it to use it on a chart.
Script can not make a perfect choice. so I left the final choice to the user.