1. NEOS Bitcoin High Income ETF (BTCI) provides Bitcoin exposure with a 30% yield via a covered call strategy; 2. It generates monthly dividends by selling Bitcoin call options, though payouts vary due to Bitcoin's volatility; 3. The ETF holds Bitcoin through VanEck's ETF and synthetic positions, invests surplus cash in treasuries, but has underperformed Bitcoin and remains high-risk for income-focused crypto investors.