ADTRAN Inc (ADTN) — Cash Flow Quality Index
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 ADTRAN Inc long-term investment allocation to see how much of total assets are deployed in long-term investments.
Cash Flow Quality Index
Operating Cash Flow
Net Income
Data as of
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. Check ADTN goodwill-adjusted equity ratio to evaluate the tangible quality of the company's equity base.
Annual Cash Flow Quality Index for ADTRAN Inc (1993–2020)
Year-by-year earnings quality comparison for ADTRAN Inc. For live market cap and the full company financial profile, see ADTN company net worth.
| 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 | — |