"Standardized SuperTrend Oscillator" by "QuantiLuxe" on Tradingview. Weekly Chart. Quite a good way to find tops and bottoms (with slight delay), historically 
Discussion
nostr:npub1xg23m9ez26ueekpzlm7fu734wpzktpwqjwyhlvy76xv6aynf4cpqf8qlrd, Found one from "EliCobra", but not from "QuantiLuxe"; either way, its a very nice indicator