Earnings volatility measures how much a company’s net income deviates from its average level over time. High volatility indicates unpredictable and unstable profits, while low volatility suggests stable, recurring performance.
Key Causes of Earnings Volatility:
Cyclical demand: Industries like automobiles or airlines often face sales swings tied to economic cycles.
Cost fluctuations: Changes in raw material or energy costs can affect margins.
Accounting adjustments: Impairments, write-downs, or fair-value revaluations may create artificial earnings swings.
Leverage and financing: Firms with higher debt levels face increased sensitivity to interest rate changes.
External shocks: Geopolitical events, policy changes, or inflation can alter profitability.
In essence, earnings volatility reflects how vulnerable a company’s profits are to changes in market, operational, or financial conditions.