Financiera

Calculate portfolio rebalancing trades from current values, target weights, contributions or withdrawals, and a drift tolerance.

Calculate cash-secured put collateral, premium income, break-even, assignment cost, maximum loss and simple annualized return.

Calculate annual implied volatility from a European call or put market price with Black-Scholes, dividends, no-arbitrage bounds and a stable solver.

Calculate covered call profit, premium income, break-even, maximum gain, downside risk and simple annualized return with fees and assignment.

Calculate a European call or put value with the Black-Scholes-Merton formula, continuous dividends, d1, d2 and five option Greeks.