I've seen it stated that the only model for BTC that held up over the last bull is the BTC power law model.
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This gives you a range of about $100k-500k by the end of the next bull (late 2025).
There are the wildcards of an ETF, dollar weakness and recession.
If there is a recession + dollar weakness + a BTC ETF, I think $500K is possible, but probably lower. AS we've seen with the current dollar weakness, people have been flowing into metals and crypto. If stocks take a hit and people are not keen on the dollar, there's trillions to flow into crypto and ETFs, ETNs.
BTC at $500,000 = $10T. Global stocks = about $100T. I think bonds are more like $125B. Throw in some other assets, a total of $250T. BTC would need to suck in about 4% of liquid assets in a crisis to hit $500K.
Generally I think $200K is most likely, based on the strength of the current movement. The March 2023 movement was also strong.