Miami International Holdings Inc. Common Stock (MIAX)

FairStock Score: 60/100 — STEADY

Key Financials

Strengths

• Generates $56 million in annual free cash flow (1.3% yield on market cap)
• Strong Piotroski F-Score of 8/9 indicating robust financial health across profitability, leverage, and efficiency metrics
• Solid return on equity of 16.8% above cost of capital
• Conservative balance sheet with debt-to-equity of just 0.02, providing financial flexibility
• Altman Z-Score of 6.8 confirms minimal bankruptcy risk and strong solvency

Concerns

• Trades significantly above Graham Number ($17) with negative 160% margin of safety—limited downside protection

AI Analysis

Miami International Holdings Inc. Common Stock is a small-cap financial services company valued at $4.2 billion. The business generates $1.4 billion in annual revenue with a 2.1% net margin and $56 million in free cash flow. From a quality standpoint, Miami shows near-perfect Piotroski F-Score of 8/9 indicating exceptional financial health and Altman Z-Score of 6.8 confirms fortress-level solvency. On valuation, the stock is commanding a steep 40.3x multiple, with trades far above its Graham Number ($17) with no margin of safety. Growth dynamics show revenue growing at 14.1% and profit growth of 935.8%. Our composite FairStock Score of 60/100 reflects above-average fundamentals overall. Investors should weigh the business quality against the current price and their own margin of safety requirements.

Bull Case

Improving fundamentals and sector tailwinds could drive meaningful earnings growth, compressing the effective multiple for patient investors. With $56 million in annual free cash flow (1.3% yield), management has ample capital for buybacks, dividends, or accretive acquisitions.

Bear Case

At 40x earnings, any growth disappointment triggers rapid multiple compression—a 20% earnings miss plus multiple contraction to 20x implies 40%+ downside. Regulatory changes, input cost inflation, or demand normalization represent underappreciated risks that could materially impact forward estimates.

Data from SEC filings. AI analysis is for educational purposes only — not investment advice. Scoring methodology · Disclaimer