NETSCOUT SYSTEMS INC (NTCT) Spending and interest coverage
- R&D / revenue · 12 months: Value 18.35%; Formula and calculation Research and development expense / revenue. Period ending 2026-06-30..
- Stock-based compensation / revenue · 12 months: Value 6.56%; Formula and calculation Share-based compensation / revenue. Period ending 2026-06-30..
- Interest coverage · 12 months: Value (m); Formula and calculation Estimated: average term debt × dated USD coupon proxy + average commercial paper × matching-currency disclosed rate at or before period end. Swaps, foreign-exchange, lease interest and amortization are not quantified..
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 | 18.35% | Research and development expense / revenue. Period ending 2026-06-30. $162.03M ÷ $883.16M × 100 ≈ 18.35% |
| Stock-based compensation / revenue · 12 months | 6.56% | Share-based compensation / revenue. Period ending 2026-06-30. $57.95M ÷ $883.16M × 100 ≈ 6.56% |
| Interest coverage · 12 months | (m) | Estimated: average term debt × dated USD coupon proxy + average commercial paper × matching-currency disclosed rate at or before period end. Swaps, foreign-exchange, lease interest and amortization are not quantified. Calculation unavailable: missing inputs remain (m). |
Calculation inputs
| Input | Amount with unit | Raw financial data |
|---|---|---|
| Research and development spending | 162.03M USD | Research and Development Expense |
| Revenue | 883.16M USD | Revenue from Contract with Customer, Excluding Assessed Tax |
| Stock-based compensation | 57.95M USD | Share-based Payment Arrangement, Noncash Expense |
| Operating income | 130.87M USD | Operating Income (Loss) |
| Interest expense · reported / estimated | (m) | Interest Expense · Estimated expense assumptions |
Latest interest expense basis: (m). 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 | $162.03M | $883.16M | $57.95M | $130.87M | (m) | 18.35% | 6.56% | (m) | (m) |
| 2026-03-31 | $159.46M | $859.48M | $59.95M | $109.83M | (m) | 18.55% | 6.97% | (m) | (m) |
| 2025-12-31 | $156.43M | $861.43M | $61.55M | $110.12M | (m) | 18.16% | 7.14% | (m) | (m) |
| 2025-09-30 | $154.55M | $862.77M | $62.22M | $107.52M | (m) | 17.91% | 7.21% | (m) | (m) |
| 2025-06-30 | $150.19M | $834.86M | $63.55M | $89.16M | (m) | 17.99% | 7.61% | (m) | (m) |
| 2025-03-31 | $152.86M | $822.68M | $64.78M | $-367.60M | (m) | 18.58% | 7.87% | (m) | (m) |
| 2024-12-31 | $159.69M | $821.13M | $66.73M | $-424.46M | (m) | 19.45% | 8.13% | (m) | (m) |
| 2024-09-30 | $158.96M | $787.19M | $68.59M | $-620.62M | (m) | 20.19% | 8.71% | (m) | (m) |
| 2024-06-30 | $158.16M | $792.88M | $72.15M | $-608.46M | (m) | 19.95% | 9.10% | (m) | (m) |
| 2024-03-31 | $161.21M | $829.46M | $70.80M | $-149.83M | $8.65M | 19.44% | 8.54% | -17.32× | Reported |
| 2023-12-31 | $163.90M | $834.11M | $69.41M | $-111.21M | $9.70M | 19.65% | 8.32% | -11.46× | Reported |
| 2023-09-30 | $169.43M | $885.58M | $68.19M | $86.98M | $10.41M | 19.13% | 7.70% | 8.36× | Reported |
| 2023-06-30 | $178.24M | $916.86M | $66.25M | $82.10M | $10.48M | 19.44% | 7.23% | 7.84× | Reported |
| 2023-03-31 | $176.17M | $914.53M | $61.99M | $77.66M | $10.25M | 19.26% | 6.78% | 7.58× | Reported |
| 2022-12-31 | $172.12M | $897.63M | $59.92M | $67.71M | $8.76M | 19.18% | 6.68% | 7.73× | Reported |
| 2022-09-30 | $171.20M | $890.28M | $57.46M | $59.41M | $7.59M | 19.23% | 6.45% | 7.83× | Reported |
| 2022-06-30 | $171.77M | $874.12M | $57.69M | $50.17M | $7.76M | 19.65% | 6.60% | 6.47× | Reported |
| 2022-03-31 | $171.13M | $855.58M | $56.07M | $48.63M | $8.05M | 20.00% | 6.55% | 6.04× | Reported |
| 2021-12-31 | $172.50M | $877.77M | $54.92M | $73.02M | $8.70M | 19.65% | 6.26% | 8.40× | Reported |
| 2021-09-30 | $174.63M | $844.32M | $54.76M | $49.34M | $9.66M | 20.68% | 6.49% | 5.11× | Reported |
| 2021-06-30 | $176.60M | $837.74M | $53.76M | $40.95M | $9.96M | 21.08% | 6.42% | 4.11× | Reported |
| 2021-03-31 | $179.16M | $831.28M | $51.89M | $37.13M | $10.88M | 21.55% | 6.24% | 3.41× | Reported |
| 2020-12-31 | $181.51M | $847.24M | $51.25M | $33.62M | $12.93M | 21.42% | 6.05% | 2.60× | Reported |
| 2020-09-30 | $186.34M | $878.53M | $50.09M | $38.67M | $14.85M | 21.21% | 5.70% | 2.60× | Reported |
| 2020-06-30 | $189.95M | $889.61M | $50.21M | $27.60M | $17.31M | 21.35% | 5.64% | 1.59× | Reported |
| 2020-03-31 | $188.29M | $891.82M | $50.86M | $17.64M | $20.60M | 21.11% | 5.70% | 0.86× | Reported |
| 2019-12-31 | $184.63M | $897.47M | $52.15M | $34.31M | $22.99M | 20.57% | 5.81% | 1.49× | Reported |
| 2019-09-30 | $185.95M | $883.46M | $54.55M | $-3.15M | $25.37M | 21.05% | 6.17% | -0.12× | Reported |
| 2019-06-30 | $191.85M | $890.83M | $56.11M | $-18.98M | $26.62M | 21.54% | 6.30% | -0.71× | Reported |
| 2019-03-31 | $203.59M | $909.92M | $56.33M | $-71.58M | $26.14M | 22.37% | 6.19% | -2.74× | Reported |
| 2018-12-31 | $214.66M | $910.14M | $56.20M | $-108.34M | $24.04M | 23.59% | 6.18% | -4.51× | Reported |
| 2018-09-30 | $209.02M | $933.08M | $54.87M | $-69.43M | $19.83M | 22.40% | 5.88% | -3.50× | Reported |
| 2018-06-30 | $211.57M | $966.14M | $50.05M | $-47.56M | $15.97M | 21.90% | 5.18% | -2.98× | Reported |
| 2018-03-31 | $215.08M | $986.79M | $47.32M | $-4.06M | $12.63M | 21.80% | 4.80% | -0.32× | Reported |
| 2017-12-31 | $214.78M | $1.07B | $44.17M | $42.12M | $10.31M | 20.06% | 4.13% | 4.08× | Reported |
| 2017-09-30 | $228.58M | $1.10B | $42.22M | $37.22M | $9.78M | 20.71% | 3.82% | 3.81× | Reported |
| 2017-06-30 | $231.12M | $1.12B | $41.29M | $39.26M | $9.40M | 20.66% | 3.69% | 4.18× | Reported |
| 2017-03-31 | $232.70M | $1.16B | $39.19M | $62.06M | $9.18M | 20.02% | 3.37% | 6.76× | Reported |
| 2016-12-31 | $239.23M | $1.13B | $38.22M | $18.49M | $9.06M | 21.19% | 3.39% | 2.04× | Reported |
| 2016-09-30 | $246.27M | $1.13B | $36.05M | $-12.62M | $8.88M | 21.71% | 3.18% | -1.42× | Reported |
| 2016-06-30 | $251.12M | $1.12B | $31.89M | $-48.69M | $8.47M | 22.35% | 2.84% | -5.75× | Reported |
| 2016-03-31 | $208.63M | $955.42M | $28.35M | $-25.55M | $6.33M | 21.84% | 2.97% | -4.04× | Reported |
| 2015-12-31 | $167.46M | $788.92M | $25.03M | $9.96M | $4.24M | 21.23% | 3.17% | 2.35× | Reported |
| 2015-09-30 | $121.19M | $604.07M | $20.88M | $35.65M | $2.36M | 20.06% | 3.46% | 15.10× | Reported |
| 2015-06-30 | $74.53M | $446.56M | $17.87M | $89.56M | $771.00K | 16.69% | 4.00% | 116.16× | Reported |
| 2015-03-31 | $75.24M | $453.67M | $16.58M | $96.77M | $773.00K | 16.59% | 3.65% | 125.19× | Reported |
| 2014-12-31 | $76.38M | $446.60M | $14.92M | $92.17M | $773.00K | 17.10% | 3.34% | 119.24× | Reported |
| 2014-09-30 | $75.86M | $434.20M | $13.98M | $91.50M | $781.00K | 17.47% | 3.22% | 117.15× | Reported |
| 2014-06-30 | $73.26M | $422.69M | $13.42M | $88.73M | $772.00K | 17.33% | 3.17% | 114.94× | Reported |
| 2014-03-31 | $70.45M | $396.65M | $12.93M | $78.01M | $768.00K | 17.76% | 3.26% | 101.58× | Reported |
| 2013-12-31 | $67.87M | $382.41M | $12.30M | $73.89M | $781.00K | 17.75% | 3.22% | 94.61× | Reported |
| 2013-09-30 | $64.87M | $363.55M | $11.54M | $64.19M | $876.00K | 17.84% | 3.18% | 73.28× | Reported |
| 2013-06-30 | $63.43M | $355.99M | $10.16M | $65.20M | $1.19M | 17.82% | 2.85% | 55.02× | Reported |
| 2013-03-31 | $61.55M | $350.55M | $9.59M | $64.53M | $1.29M | 17.56% | 2.74% | 49.98× | Reported |
| 2012-12-31 | $58.03M | $341.94M | $9.79M | $63.11M | $1.40M | 16.97% | 2.86% | 45.01× | Reported |
| 2012-09-30 | $56.28M | $333.67M | $9.49M | $62.99M | $1.58M | 16.87% | 2.85% | 39.84× | Reported |
| 2012-06-30 | $52.23M | $321.74M | $8.74M | $57.61M | $1.56M | 16.23% | 2.72% | 36.88× | Reported |
| 2012-03-31 | $49.48M | $308.68M | $8.65M | $53.68M | $1.77M | 16.03% | 2.80% | 30.40× | Reported |
| 2011-12-31 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2011-09-30 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2011-06-30 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2011-03-31 | $40.63M | $290.54M | $6.44M | $58.06M | $2.45M | 13.98% | 2.22% | 23.68× | Reported |
| 2010-12-31 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2010-09-30 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2010-06-30 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2010-03-31 | $36.65M | $260.34M | $5.46M | $45.90M | $3.46M | 14.08% | 2.10% | 13.25× | Reported |
(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.
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