tools
Tools
Interactive financial calculators for fintech founders.
Open-source calculators for evaluating fintech product economics. Each tool computes a different dimension of a financial product — change the inputs, see the math respond.
All formulas are public; the underlying spreadsheet models live under Models.
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Bank Account Unit Economics
Model the profitability of a single deposit account — net interest income, servicing costs, fee revenue. Coming soon.
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Credit Card Unit Economics
Model the profitability of a single credit card account — interchange, interest, late fees, cost of funds, losses. Coming soon.
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Term Loan Unit Economics
Model the profitability of a single fixed-term consumer loan from the lender's side — revenue, cost of funds, servicing, losses, and net profit per loan.