Calculators & Planning Engines
Select a tool below to run live simulations with your customized parameters.
Bitcoin Loan LTV Calculator
Model loan-to-value ratios, margin call triggers, liquidation price thresholds, and collateral health buffers across volatility swings.
Portfolio Monte Carlo Simulator
Run 100+ simulated 10-year paths with cash buffer drawdowns, inflation-adjusted spending, volatility swings, and tax-aware liquidations.
DCA: Bitcoin vs S&P 500
Compare weekly dollar-cost averaging into Bitcoin vs SPY (S&P 500 ETF) starting from the November 2021 all-time high with live market data.
Bitcoin Retirement Calculator
Model accumulation targets, post-retirement expenses, safe withdrawal rates, and multigenerational Bitcoin purchasing power longevity.
Step-by-Step to Self-Custody
Interactive guided progression from exchange custody to single-sig hardware and multi-vendor cold storage with interactive checkpoints and quizzes.
Compound Interest Calculator
Calculate lump-sum growth, recurring additions, compounding frequencies, and purchasing power preservation adjusted for monetary inflation.
STRC vs Bitcoin CAGR
Compare MicroStrategy preferred stock (STRC) fixed dividend reinvestment returns against spot Bitcoin compound annual growth rates.
Interest Rate Arbitrage
Calculate spreads between low-interest borrowing facilities and Bitcoin treasury yield generation to model net annual arbitrage profit.
Recommended Tools & Services
Exchanges (Bitcoin Well), titanium seed phrase plates (Stampseed), private node servers (Start9), privacy devices, essential books, and community.
Have Bitcoin Questions or Need Help Securing Your Cold Storage?
Book a private, sovereign coaching session with ForrestHODL. Get all your Bitcoin questions answered in plain English and receive personalized, step-by-step guidance on hardware wallets, multi-vendor cold storage, passphrase setup, steel backups, node setups, and inheritance planning.