Switzerland just approved its first retail spot Bitcoin ETF. But FINMA did something unusual: it waived the standard diversification rules. A public fund can now hold 100% Bitcoin. That's a regulatory first. • Regulator: FINMA • Approval date: Oct 20, 2026 • Fund category: "Other funds for alternative investments" with special risk • Exemption: Waived ordinary diversification requirements • Legal structure: Supervised fund holding Bitcoin directly (not a debt security ETP) • Key unresolved detail: Issuer, investment manager, ticker, and launch date undisclosed • $BTC price: ~$81,392 Here's the nuance most headlines will skip. The diversification waiver is the story. Swiss fund law normally requires broad diversification. FINMA exempted this fund because of Bitcoin's long trading history and high volume. That's a regulatory acknowledgment that Bitcoin is now a mature enough asset to be a fund's sole holding. But FINMA also warned investors face "substantial price fluctuations and potentially significant losses." The catch: there's no product to buy yet. FINMA approved the framework, not a specific tradable ETF. The issuer hasn't been named. Watch for the issuer announcement and the SIX Swiss Exchange listing date. If FINMA exempted Bitcoin from diversification rules, does that mark a regulatory shift in how Switzerland treats crypto?