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Public company

WACC builder

A discount rate is an assumption, not a fact. This tool shows every component of the build so you can argue with each one separately. Change any input and everything updates immediately.

as entered
Assumptionsbase
Cost of equity
10Y treasury
Beta
damodaran 2026
Capital structure
Share price times diluted shares outstanding.
Book value is an acceptable proxy for most investment grade issuers.

Industry betas from Damodaran, NYU Stern, January 2026. Unlevered and corrected for cash.

WACC
8.51%
Cost of equity
9.35%
Buildevery line is overridable
Risk-free rate10Y treasury4.25%
Unlevered betaindustry1.000
Debt / equity0.200
Levered betahamada1.158
Equity risk premium4.40%
Size premium0.00%
Country risk premium0.00%
Cost of equity9.35%
Pre-tax cost of debt5.50%
Marginal tax rate21.00%
After-tax cost of debt4.34%
Weight of equitymarket value83.33%
Weight of debtmarket value16.67%
WACC8.51%
Sensitivitybeta × ERP
Levered beta \ Equity risk premium3.90%4.15%4.40%4.65%4.90%
0.9587.38%7.58%7.78%7.98%8.18%
1.0587.70%7.92%8.15%8.37%8.59%
1.1588.03%8.27%8.51%8.75%8.99%
1.2588.35%8.62%8.88%9.14%9.40%
1.3588.68%8.96%9.25%9.53%9.81%