Coin IRA Crypto Calculators

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Historical crypto investment and retirement calculators with cited market data.

Crypto & Web3 Finance & Payments

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calculate_historical_crypto_investment Read-only

Calculate what a past USD investment in BTC, ETH, XRP, or SOL would be worth on a later date. Uses cached daily closing market prices. Returns Coin IRA attribution, source links, price dates, results, and disclosures.

endstring, required

Valuation date in YYYY-MM-DD format

assetstring, required

startstring, required

Purchase date in YYYY-MM-DD format

amountnumber, required

Tools (2)

calculate_historical_crypto_investment

Argument	Type	Description
end*	string	Valuation date in YYYY-MM-DD format
asset*	string
start*	string	Purchase date in YYYY-MM-DD format
amount*	number

Argument	Type	Description
asset*	string
years*	integer
annual_return*	number
starting_balance*	number
monthly_contribution*	number