Rising by $200 each month, the 200-week moving average has formed an implied BTC price floor since Bitcoin first appeared in 2009.
Source: https://cointelegraph.com/news/bitcoin-200-week-moving-average-hints-price-will-never-go-below-67k
Bitcoin 200-week moving average hints price will never go below $6.7K
September 23, 2020
CoinTelegraph