S&P 500 Aggregate Net Debt to EBITDA Ratio

Live value temporarily unavailable.

Source: Company filings (aggregated)

Data updated daily

What it measures

The S&P 500 net debt / EBITDA ratio measures aggregate net debt (total interest-bearing debt minus cash and equivalents) relative to aggregate trailing-twelve-month EBITDA for index constituents. It answers how many years of current operating cash generation would be required to repay the index's net debt. A reading of 1.5x means aggregate net debt equals 1.5 years of EBITDA.

Why it matters

Net debt / EBITDA is the primary leverage gauge used in credit markets because it normalizes debt load by operating cash-generating capacity. Investment-grade thresholds are typically below 3x; above 4x, refinancing risk becomes material if EBITDA declines. At the index level, a rising ratio signals increasing financial vulnerability — debt accumulating faster than earnings. The ratio is particularly important in high-rate environments: the same debt load is far more burdensome when refinanced at 6% versus 2%, meaning the EBITDA cushion must be weighed against interest cost, not just debt quantum.

How it is calculated

Net Debt / EBITDA = (Σ Total Debt − Σ Cash & Equivalents) ÷ Σ TTM EBITDA

LENSE computes the S&P 500 net debt / EBITDA ratio as aggregate net debt divided by aggregate TTM EBITDA — not a simple average of per-company ratios. Net debt per constituent is computed as total interest-bearing debt minus cash and equivalents from the most recently reported quarter-end balance sheet using as-reported figures. TTM EBITDA is computed as operating income plus depreciation and amortization, summing the four most recently reported quarters. Constituents with negative TTM EBITDA are excluded from the denominator. Index constituency is resolved point-in-time using point-in-time index constituency.

Recent (monthly)

Recent data unavailable.

Data source: Company filings (aggregated). Computed and published by LENSE Analytics.