CFA Institute – Enterprising Investor

What the Market Knows That WACC Doesn’t

The article introduces the market implied discount rate (MIDR) as a forward‑looking alternative to the traditional weighted average cost of capital (WACC). Using S&P Capital IQ data on the S&P 500, it shows that MIDR often diverges from WACC, with energy firms demanding an 11.2% median MIDR versus a 7.6% WACC. Sector analysis reveals wider intra‑sector dispersion for MIDR than for WACC, indicating that market pricing captures company‑specific risk factors that CAPM‑based models miss. The piece argues that combining MIDR with WACC can sharpen valuation and capital‑allocation decisions.