Research hub

Vistra Corp. (VST)

Company-specific valuation method revision. Frozen price $136.21, 21 August 2026. Evidence cutoff 23 August 2026, unchanged.

Weighted
$170.05
Conviction
7.9/10
Decision
Full position
Method
SOTP + DCF

Revised current scenarios

BearBaseBullWeighted
$78.31$171.48$258.94$170.05

Original historical comparison dated 23 August 2026: $95 / $175 / $240, weighted $171.25. Original values are not current targets.

Company specific valuation method

Analytical segment SOTP using enterprise unlevered FCF DCF for generation ex nuclear, retail, zero-carbon and nuclear, less closure/corporate and net debt. Nuclear is assigned once. Retail transfer economics and hedge effects are not double counted.

Cross-checks

Current to forecast calibration

VariableCurrentBearBaseBull
generation volumeabout 44,000 MW fleet; FY2025 output by fuel not fully reconstructible from frozen summary[0.94, 0.93, 0.93, 0.92, 0.92][1, 1.01, 1.02, 1.03, 1.04][1.03, 1.06, 1.09, 1.12, 1.15]
realized power pricehedged regional portfolio; exact frozen $/MWh ladder unavailable[0.88, 0.86, 0.87, 0.89, 0.91][1, 1.02, 1.04, 1.06, 1.08][1.07, 1.12, 1.17, 1.22, 1.27]
hedge capturedisciplined forward hedge book; realized/unrealized effects separate[1.04, 1.02, 0.98, 0.94, 0.92][1.03, 1.02, 1.01, 1, 1][1.01, 0.99, 0.98, 0.97, 0.96]
capacity revenuePJM and bilateral capacity embedded in FY2025 EBITDA[0.9, 0.88, 0.9, 0.92, 0.94][1, 1.03, 1.04, 1.05, 1.06][1.08, 1.13, 1.18, 1.22, 1.25]
retail loadabout 5 million customers[0.97, 0.96, 0.96, 0.97, 0.98][1.01, 1.02, 1.03, 1.04, 1.05][1.02, 1.04, 1.06, 1.08, 1.1]
retail marginFY2025 Retail adjusted EBITDA $1.622bn[0.9, 0.88, 0.88, 0.9, 0.92][1, 1.02, 1.04, 1.05, 1.06][1.05, 1.09, 1.12, 1.15, 1.18]
fuel operating costFY2025 fuel/purchased power/delivery $9.101bn; operating costs $2.803bn[1.07, 1.08, 1.08, 1.07, 1.06][1.02, 1.02, 1.01, 1.01, 1][0.99, 0.98, 0.97, 0.96, 0.95]
plant availabilityfleet-specific capacity factors not fully preserved[0.94, 0.93, 0.93, 0.94, 0.94][0.97, 0.97, 0.975, 0.975, 0.98][0.98, 0.985, 0.985, 0.99, 0.99]
ebitda marginFY2025 adjusted EBITDA $5.838bn versus GAAP operating income $1.906bn[0.88, 0.86, 0.87, 0.89, 0.91][1, 1.04, 1.07, 1.1, 1.12][1.08, 1.16, 1.23, 1.29, 1.35]
maintenance capexFY2025 total capex $2.752bn; exact maintenance split unavailable[2100, 2200, 2250, 2300, 2350][2000, 2050, 2100, 2150, 2200][2050, 2100, 2200, 2300, 2400]
growth capexHelix commitment up to $1bn is prospective, not operating EBITDA[400, 300, 250, 200, 150][700, 750, 700, 600, 500][1100, 1300, 1400, 1300, 1100]
working capitalcommodity collateral and margin deposits material[500, 450, 400, 350, 300][350, 350, 325, 300, 275][600, 650, 650, 600, 550]
taxesFY2025 tax expense $179m; 1H26 $305m[0.2, 0.2, 0.21, 0.21, 0.21][0.21, 0.21, 0.22, 0.22, 0.22][0.22, 0.22, 0.23, 0.23, 0.23]
terminal economicsfinite plant lives, nuclear license value and closure obligations[0.095, 0.005][0.085, 0.02][0.08, 0.025]
net debt20073[20100, 20100, 20100, 20100, 20100][19500, 19000, 18500, 18250, 18000][19000, 18000, 17000, 16000, 15000]
buybacks dilution335.635m market shares; 340.541m 1H26 diluted average[340, 342, 343, 344, 345][333, 330, 328, 326, 325][328, 322, 317, 313, 310]

Five pillars

PillarOriginalRevised
business_quality8.88.8
management_quality8.08.0
industry_tailwind8.58.5
valuation7.57.5
risk_asymmetry6.05.0

Only Risk / Asymmetry changes rubric band, 6.0 to 5.0. Exact conviction 7.865.

Downloads

Revised assessmentVST_Initial_Assessment_2026-08-27.pdfRevised deep teaching reportVST_Deep_Teaching_Report_2026-08-27.pdfCompany-specific method noteVST_Company_Specific_Method_Note_2026-08-27.pdfValuation delta memoVST_Valuation_Method_Revision_Delta_2026-08-27.pdfFormula workbookVST_Research_Dashboard_2026-08-27.xlsxFinancial fact-check manifestVST_financial_fact_check_2026-08-27.jsonAssumptions manifestVST_revision_assumptions_2026-08-27.jsonAuthoritative baselineVST_authoritative_baseline_values_2026-08-27.jsonOriginal teaching reportVST_Deep_Teaching_Report_2026-08-24.pdfOriginal assessmentVST_Initial_Assessment_2026-08-23.pdf