Bitcoin functions as a systemic anchor and market factor. Its circulating supply stands at approximately 19.95–20.08 million BTC. US spot ETFs hold aggregate assets of around 1.3 million BTC, representing about 6–6.5% of the float, with cumulative net inflows of roughly $52 billion despite outflows in 2026.
The ETF channel has replaced the "miner overhang"…
