Bitcoin Bottom Detector: W Timeframe

I Published this indicator in tradingview
you can find it in the link below:
Use this indicator in the weekly time frame:
One of the most widely used indicators for identifying the Bitcoin market bottom is the 200-week moving average. This indicator works based on the ratio of price to the value of the 200-week moving average. When the indicator enters the lower blue part (overflow area), it indicates the bitcoin is at the bottom of the market.