Plots the latest 200 week value from BTCUSD on the chart. I use it for the Bitmex chart, as Bitmex doesn't have enough history for a 200 week moving average.
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.