ADTRAN Inc (ADTN) — Cash Flow Quality Index
Latest as of December 2025:
0.14x
ADTRAN Inc (ADTN) has a Cash Flow Quality Index of 0.14x as of December 2025. Operating cash flow of $42.24 Million is below net income of $311.44 Million, suggesting accrual-heavy earnings not yet converted to cash. Explore how well can ADTRAN Inc service its debt to assess how comfortably operating cash covers total debt obligations.
Cash Flow Quality Index
0.14x
Operating CF / Net Income
Operating Cash Flow
$42.24 Million
USD
Net Income
$311.44 Million
USD
Data as of
Dec 2025
Most recent filing
ADTRAN Inc Cash Flow Quality Index (1993–2020)
Historical Cash Flow Quality Index for ADTRAN Inc across 26 annual periods. Values consistently above 1.0x indicate high-quality earnings. For the full cash flow conversion analysis, see ADTRAN Inc cash conversion from operations.
Annual Cash Flow Quality Index for ADTRAN Inc (1993–2020)
Year-by-year earnings quality comparison for ADTRAN Inc.
| Year | Quality Index | Operating CF (USD) | Net Income | YoY Change |
|---|---|---|---|---|
| 2020 | -6.95x | $-16.52 Million | $2.38 Million | ▼ -290.7% |
| 2017 | -1.78x | $-42.37 Million | $23.83 Million | ▼ -249.1% |
| 2016 | 1.19x | $42.00 Million | $35.23 Million | ▲ +19.9% |
| 2015 | 0.99x | $18.55 Million | $18.65 Million | ▼ -20.5% |
| 2014 | 1.25x | $55.84 Million | $44.62 Million | ▼ -4.7% |
| 2013 | 1.31x | $60.10 Million | $45.79 Million | ▼ -27.6% |
| 2012 | 1.81x | $85.63 Million | $47.26 Million | ▲ +66.7% |
| 2011 | 1.09x | $150.61 Million | $138.58 Million | ▲ +33.5% |
| 2010 | 0.81x | $92.79 Million | $113.99 Million | ▼ -33.0% |
| 2009 | 1.21x | $90.16 Million | $74.22 Million | ▼ -17.6% |
| 2008 | 1.47x | $115.81 Million | $78.58 Million | ▲ +26.6% |
| 2007 | 1.16x | $88.88 Million | $76.33 Million | ▼ -1.0% |
| 2006 | 1.18x | $92.14 Million | $78.33 Million | ▼ -7.8% |
| 2005 | 1.28x | $128.98 Million | $101.15 Million | ▲ +11.6% |
| 2004 | 1.14x | $85.82 Million | $75.14 Million | ▼ -17.7% |
| 2003 | 1.39x | $85.35 Million | $61.52 Million | ▼ -67.3% |
| 2002 | 4.25x | $105.18 Million | $24.78 Million | ▼ -21.1% |
| 2001 | 5.38x | $93.22 Million | $17.33 Million | ▲ +4970.2% |
| 2000 | -0.11x | $-13.34 Million | $120.80 Million | ▼ -109.4% |
| 1999 | 1.18x | $60.04 Million | $50.95 Million | ▲ +183.7% |
| 1998 | 0.42x | $16.74 Million | $40.31 Million | ▼ -62.9% |
| 1997 | 1.12x | $44.99 Million | $40.21 Million | ▼ -2.0% |
| 1996 | 1.14x | $45.46 Million | $39.82 Million | ▲ +262.1% |
| 1995 | 0.32x | $9.30 Million | $29.50 Million | ▼ -15.4% |
| 1994 | 0.37x | $8.50 Million | $22.81 Million | ▼ -33.0% |
| 1993 | 0.56x | $7.40 Million | $13.30 Million | — |
Cash Flow Quality Index = Operating Cash Flow / Net Income. Ratios above 1.0x indicate cash-backed earnings.