Liberty Broadband-C

Graham earnings-power value (normalized NOPAT)

Normalized operating earnings net of maintenance capex are non-positive over the years shown; earnings power cannot be capitalized.

Normalized NOPAT = average operating margin over the years shown × latest-year revenue × (1 − normalized tax); then + D&A − maintenance capex (write A). Unlevered (pre-interest, attributable to all capital). Capitalized at the 9–11% rate band (read as a WACC proxy). Enterprise → equity bridge applied: + cash − total debt.

年份：2024, 2023, 2022, 2021, 2020

v1 简化：Maintenance capex (degraded) deducted in full cash (write A): EPV = (NOPAT + D&A − maintenance capex) / WACC; no tax shield on the capex term. Only one maintenance-capex method available; estimate is degraded. Share-based compensation is left as a real expense (not added back).

Buffett owner-earnings value$49.48 – $59.71 / 股

Owner earnings = average net income + average D&A − maintenance capex (zero-growth floor; no ΔNWC). Levered (starts from net income, already after interest — an equity-holder stream). Capitalized at the 9.7–11.7% band (9–11% base + 0.7pp leverage premium). No enterprise→equity bridge: the capitalized result is already equity value (subtracting debt would double-count interest).

年份：2024, 2023, 2022, 2021, 2020

v1 简化：Owner earnings = net income + D&A − maintenance capex (degraded); the working-capital change is excluded (maintenance ΔNWC ≈ 0; growth ΔNWC is carried in growth value, not double-counted). Only one maintenance-capex method available; estimate is degraded. One-time items are not separately normalized (multi-year averaging smooths them partially). Share-based compensation is left as a real expense (not added back); see the SBC/OE disclosure. Capitalized at the 9–11% base band plus a 0.7pp leverage premium (cost of equity rises with leverage — MM Proposition II). Net debt is about 4.3 years of owner earnings, adding 0.7pp of cost-of-equity risk premium.