Calculators

Financial Calculators

Explore inflation, lifestyle, portfolio, and options-roll scenarios with transparent assumptions and risk context.

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Equivalent buying power

$1,000$2,655

2000 dollars expressed in 2036 purchasing power.

Price change

165.5%

Value multiple

2.66x

Time span

36 years

Buying power path

Actual CPI and future projection

BLS CPIProjected

Historical data

BLS CPI-U annual averages through 2025.

Current year

2026 uses the latest August CPI index of 334.980.

Future years

Compounded at the selected annual assumption; projections are estimates.

Options Roll Calculator

Enter a short call or put you want to close. The calculator ranks liquid, later-expiring replacement contracts using live chain data, executable pricing, Greeks, expected move, and liquidity.

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Prices are per share; displayed cash results include the 100-share option multiplier. Market data may be delayed or simulated depending on the configured provider.

Enter your current position

You’ll see the recommended replacement, roll credit or debit, adjusted breakeven, and alternatives.

Educational decision support only. A roll closes the existing position and realizes its loss or gain; no recommendation guarantees profit or avoids assignment.

Source: U.S. Bureau of Labor Statistics CPI-U, U.S. city average, all items. Future results are hypothetical projections and are not guarantees of actual inflation or individual household costs.