TSAKOS ENERGY NAVIGATION LIMITED (TEN) Spending and interest coverage
- R&D / revenue · 12 months: Value (m); Formula and calculation Research and development expense / revenue. Period ending 2026-06-30..
- Stock-based compensation / revenue · 12 months: Value (m); Formula and calculation Share-based compensation / revenue. Period ending 2026-06-30..
- Interest coverage · 12 months: Value 4.44×; Formula and calculation Operating income ÷ reported interest expense..
Spending and interest coverage
Overview →Financial period ending 2026-06-30; current quote (m). Amounts retain their stated periods and units.
| Metric | Value | Formula and calculation |
|---|---|---|
| R&D / revenue · 12 months | (m) | Research and development expense / revenue. Period ending 2026-06-30. Calculation unavailable: missing inputs remain (m). |
| Stock-based compensation / revenue · 12 months | (m) | Share-based compensation / revenue. Period ending 2026-06-30. Calculation unavailable: missing inputs remain (m). |
| Interest coverage · 12 months | 4.44× | Operating income ÷ reported interest expense. $414.26M ÷ $93.37M ≈ 4.44× |
Calculation inputs
| Input | Amount with unit | Raw financial data |
|---|---|---|
| Research and development spending | (m) | |
| Revenue | 959.70M USD | |
| Stock-based compensation | (m) | Share-based Payment Arrangement, Noncash Expense |
| Operating income | 414.26M USD | Operating Income (Loss) |
| Interest expense · reported / estimated | 93.37M USD | Interest Expense · Estimated expense assumptions |
Latest interest expense basis: Reported. Estimated values carry *; expand each history row’s basis for its dated balances and rate assumptions.
Calculated history
Changes compare with the next older row (previous quarter), unless explicitly labeled otherwise. Rolling 12-month growth compares two successive quarter-end rolling totals; it is not year-over-year growth.
| Period ending | Research and development spending (USD) | Revenue (USD) | Stock-based compensation (USD) | Operating income (USD) | Interest expense · reported / estimated (USD) | R&D / revenue | SBC / revenue | Interest coverage | Interest expense basis |
|---|---|---|---|---|---|---|---|---|---|
| 2026-06-30 | (m) | $959.70M | (m) | $414.26M | $93.37M | (m) | (m) | 4.44× | Reported |
| 2025-12-31 | (m) | $798.69M | (m) | $252.32M | $94.02M | (m) | (m) | 2.68× | Reported |
| 2025-06-30 | (m) | $778.78M | (m) | $210.02M | $102.01M | (m) | (m) | 2.06× | Reported |
| 2024-12-31 | (m) | $804.06M | (m) | $278.56M | $113.30M | (m) | (m) | 2.46× | Reported |
| 2024-06-30 | (m) | $822.54M | (m) | $288.98M | $110.24M | (m) | (m) | 2.62× | Reported |
| 2023-12-31 | (m) | $889.57M | (m) | $391.50M | $101.80M | (m) | (m) | 3.85× | Reported |
| 2023-06-30 | (m) | $976.66M | (m) | $471.13M | $84.36M | (m) | (m) | 5.59× | Reported |
| 2022-12-31 | (m) | $860.40M | (m) | $256.35M | $55.45M | (m) | (m) | 4.62× | Reported |
| 2022-06-30 | (m) | $637.09M | (m) | $-42.25M | $38.80M | (m) | (m) | -1.09× | Reported |
| 2021-12-31 | (m) | $546.12M | (m) | $-119.86M | $38.41M | (m) | (m) | -3.12× | Reported |
| 2021-06-30 | (m) | $549.89M | (m) | $-15.67M | $42.17M | (m) | (m) | -0.37× | Reported |
| 2020-12-31 | (m) | $644.13M | (m) | $96.69M | $49.62M | (m) | (m) | 1.95× | Reported |
| 2020-06-30 | (m) | $676.06M | (m) | $140.79M | $59.77M | (m) | (m) | 2.36× | Reported |
| 2019-12-31 | (m) | $597.45M | $0.00 | $85.86M | $68.96M | (m) | 0.00% | 1.25× | Reported |
| 2019-06-30 | (m) | $571.29M | (m) | $9.18M | $73.47M | (m) | (m) | 0.12× | Reported |
| 2018-12-31 | (m) | $529.88M | $0.00 | $-28.14M | $71.94M | (m) | 0.00% | -0.39× | Reported |
| 2018-06-30 | (m) | $508.41M | (m) | $23.87M | $67.81M | (m) | (m) | 0.35× | Reported |
| 2017-12-31 | (m) | $529.18M | $487.00K | $63.48M | $61.90M | (m) | 0.09% | 1.03× | Reported |
| 2017-06-30 | (m) | $510.27M | $0.00 | $81.43M | $50.68M | (m) | 0.00% | 1.61× | Reported |
| 2016-12-31 | (m) | $481.79M | $510.00K | $89.81M | $37.44M | (m) | 0.11% | 2.40× | Reported |
| 2016-06-30 | (m) | $526.77M | $510.00K | $150.66M | $30.16M | (m) | 0.10% | 5.00× | Reported |
| 2016-04-08 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2015-12-31 | (m) | $587.72M | $0.00 | $188.08M | $28.64M | (m) | 0.00% | 6.57× | Reported |
| 2015-06-30 | (m) | $561.22M | (m) | $137.94M | $28.94M | (m) | (m) | 4.77× | Reported |
| 2014-12-31 | (m) | $501.01M | $142.00K | $76.05M | $31.00M | (m) | 0.03% | 2.45× | Reported |
| 2014-06-30 | (m) | $455.28M | (m) | $19.52M | $36.70M | (m) | (m) | 0.53× | Reported |
| 2013-12-31 | (m) | $418.38M | $469.00K | $4.89M | $39.80M | (m) | 0.11% | 0.12× | Reported |
| 2013-06-30 | (m) | $398.50M | $562.00K | $8.50M | $42.85M | (m) | 0.14% | 0.20× | Reported |
| 2012-12-31 | (m) | $393.99M | $730.00K | $1.29M | $47.94M | (m) | 0.19% | 0.03× | Reported |
| 2012-06-30 | (m) | $395.93M | $287.00K | $-40.28M | (m) | (m) | 0.07% | (m) | (m) |
| 2011-12-31 | (m) | $395.16M | $820.00K | $-37.70M | (m) | (m) | 0.21% | (m) | (m) |
| 2011-06-30 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2010-12-31 | (m) | $408.01M | $1.07M | $80.69M | (m) | (m) | 0.26% | (m) | (m) |
| 2009-12-31 | (m) | $444.93M | $1.09M | $72.41M | (m) | (m) | 0.24% | (m) | (m) |
(m) means missing inputs. Historical market-based ratios use the saved close on or immediately before period ending and that period’s reported shares; current quotes are not substituted. Five-year projections repeat historical CAGR, not analyst forecasts.