8x8, Inc. (EGHT) Spending and interest coverage
- R&D / revenue · 12 months: Value 15.18%; Formula and calculation Research and development expense / revenue. Period ending 2026-06-30..
- Stock-based compensation / revenue · 12 months: Value 2.43%; 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 | 15.18% | Research and development expense / revenue. Period ending 2026-06-30. $113.03M ÷ $744.56M × 100 ≈ 15.18% |
| Stock-based compensation / revenue · 12 months | 2.43% | Share-based compensation / revenue. Period ending 2026-06-30. $18.07M ÷ $744.56M × 100 ≈ 2.43% |
| 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 | 113.03M USD | Research and Development Expense |
| Revenue | 744.56M USD | Revenue from Contract with Customer, Excluding Assessed Tax |
| Stock-based compensation | 18.07M USD | Share-based Payment Arrangement, Noncash Expense |
| Operating income | 22.75M USD | Operating Income (Loss) |
| Interest expense · reported / estimated | (m) | · 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 | $113.03M | $744.56M | $18.07M | $22.75M | (m) | 15.18% | 2.43% | (m) | (m) |
| 2026-03-31 | $112.98M | $735.75M | $20.37M | $18.94M | (m) | 15.36% | 2.77% | (m) | (m) |
| 2025-12-31 | $113.42M | $727.55M | $24.10M | $16.03M | (m) | 15.59% | 3.31% | (m) | (m) |
| 2025-09-30 | $116.06M | $721.38M | $29.48M | $15.31M | (m) | 16.09% | 4.09% | (m) | (m) |
| 2025-06-30 | $119.44M | $718.28M | $33.49M | $17.13M | (m) | 16.63% | 4.66% | (m) | (m) |
| 2025-03-31 | $123.21M | $715.07M | $39.94M | $15.19M | (m) | 17.23% | 5.59% | (m) | (m) |
| 2024-12-31 | $127.19M | $717.44M | $46.78M | $555.00K | (m) | 17.73% | 6.52% | (m) | (m) |
| 2024-09-30 | $130.15M | $719.56M | $51.37M | $-17.82M | (m) | 18.09% | 7.14% | (m) | (m) |
| 2024-06-30 | $133.06M | $723.57M | $56.52M | $-27.57M | (m) | 18.39% | 7.81% | (m) | (m) |
| 2024-03-31 | $136.22M | $728.71M | $61.91M | $-27.60M | (m) | 18.69% | 8.50% | (m) | (m) |
| 2023-12-31 | $142.47M | $733.82M | $62.85M | $-9.85M | (m) | 19.41% | 8.57% | (m) | (m) |
| 2023-09-30 | $144.75M | $737.22M | $69.82M | $-18.54M | (m) | 19.63% | 9.47% | (m) | (m) |
| 2023-06-30 | $146.56M | $739.61M | $79.92M | $-40.95M | (m) | 19.82% | 10.81% | (m) | (m) |
| 2023-03-31 | $146.22M | $743.94M | $89.54M | $-66.29M | (m) | 19.65% | 12.04% | (m) | (m) |
| 2022-12-31 | $140.35M | $740.78M | $100.69M | $-110.36M | (m) | 18.95% | 13.59% | (m) | (m) |
| 2022-09-30 | $129.47M | $713.25M | $113.34M | $-129.90M | (m) | 18.15% | 15.89% | (m) | (m) |
| 2022-06-30 | $121.95M | $677.42M | $124.56M | $-142.07M | (m) | 18.00% | 18.39% | (m) | (m) |
| 2022-03-31 | $112.39M | $638.13M | $133.33M | $-154.14M | (m) | 17.61% | 20.89% | (m) | (m) |
| 2021-12-31 | $107.07M | $601.48M | $138.86M | $-153.64M | (m) | 17.80% | 23.09% | (m) | (m) |
| 2021-09-30 | $102.86M | $581.29M | $131.96M | $-151.28M | (m) | 17.70% | 22.70% | (m) | (m) |
| 2021-06-30 | $95.93M | $558.86M | $121.45M | $-147.22M | (m) | 17.17% | 21.73% | (m) | (m) |
| 2021-03-31 | $92.03M | $532.34M | $107.64M | $-146.15M | (m) | 17.29% | 20.22% | (m) | (m) |
| 2020-12-31 | $86.92M | $509.10M | $95.51M | $-152.27M | (m) | 17.07% | 18.76% | (m) | (m) |
| 2020-09-30 | $83.09M | $490.99M | $87.99M | $-160.18M | (m) | 16.92% | 17.92% | (m) | (m) |
| 2020-06-30 | $80.95M | $471.37M | $80.06M | $-165.03M | (m) | 17.17% | 16.98% | (m) | (m) |
| 2020-03-31 | $77.79M | $446.24M | $70.88M | $-159.82M | (m) | 17.43% | 15.88% | (m) | (m) |
| 2019-12-31 | $75.70M | $418.53M | $63.24M | $-142.44M | (m) | 18.09% | 15.11% | (m) | (m) |
| 2019-09-30 | $72.71M | $389.87M | $56.46M | $-123.52M | (m) | 18.65% | 14.48% | (m) | (m) |
| 2019-06-30 | $67.34M | $366.04M | $49.19M | $-107.56M | (m) | 18.40% | 13.44% | (m) | (m) |
| 2019-03-31 | $62.06M | $352.59M | $44.51M | $-90.99M | (m) | 17.60% | 12.62% | (m) | (m) |
| 2018-12-31 | $53.94M | (m) | $39.61M | $-75.94M | (m) | (m) | (m) | (m) | (m) |
| 2018-09-30 | $45.59M | $314.39M | $35.21M | $-69.95M | (m) | 14.50% | 11.20% | (m) | (m) |
| 2018-06-30 | $39.96M | $305.52M | $31.74M | $-52.42M | (m) | 13.08% | 10.39% | (m) | (m) |
| 2018-03-31 | $34.80M | $296.50M | $29.18M | $-41.90M | (m) | 11.74% | 9.84% | (m) | (m) |
| 2017-12-31 | $31.92M | $283.64M | $26.97M | $-31.85M | (m) | 11.25% | 9.51% | (m) | (m) |
| 2017-09-30 | $30.49M | $271.75M | $24.91M | $-15.31M | (m) | 11.22% | 9.17% | (m) | (m) |
| 2017-06-30 | $28.68M | $262.44M | $22.76M | $-11.22M | (m) | 10.93% | 8.67% | (m) | (m) |
| 2017-03-31 | $27.45M | $253.39M | $21.46M | $-6.67M | (m) | 10.83% | 8.47% | (m) | (m) |
| 2016-12-31 | $26.42M | $244.23M | $20.76M | $-5.95M | (m) | 10.82% | 8.50% | (m) | (m) |
| 2016-09-30 | $25.73M | $233.73M | $19.35M | $-6.76M | (m) | 11.01% | 8.28% | (m) | (m) |
| 2016-06-30 | $25.67M | $221.49M | $18.36M | $-8.05M | (m) | 11.59% | 8.29% | (m) | (m) |
| 2016-03-31 | $24.04M | $209.34M | $16.33M | $-7.07M | (m) | 11.48% | 7.80% | (m) | (m) |
| 2015-12-31 | $22.28M | $195.53M | $14.06M | $-4.05M | (m) | 11.39% | 7.19% | (m) | (m) |
| 2015-09-30 | $19.74M | $183.74M | $12.03M | $-717.00K | (m) | 10.74% | 6.55% | (m) | (m) |
| 2015-06-30 | $16.79M | $172.39M | $10.52M | $3.46M | (m) | 9.74% | 6.10% | (m) | (m) |
| 2015-03-31 | $15.12M | $162.41M | $9.35M | $3.88M | (m) | 9.31% | 5.76% | (m) | (m) |
| 2014-12-31 | $14.10M | $154.67M | $8.84M | $3.46M | (m) | 9.12% | 5.71% | (m) | (m) |
| 2014-09-30 | $13.56M | $146.04M | $9.44M | $829.00K | (m) | 9.28% | 6.46% | (m) | (m) |
| 2014-06-30 | $12.70M | $137.26M | $8.54M | $640.00K | (m) | 9.25% | 6.22% | (m) | (m) |
| 2014-03-31 | $11.63M | $128.60M | $7.59M | $3.08M | (m) | 9.05% | 5.91% | (m) | (m) |
| 2013-12-31 | $10.47M | $124.45M | $6.05M | $7.68M | (m) | 8.42% | 4.86% | (m) | (m) |
| 2013-09-30 | $9.27M | $118.11M | $3.58M | $11.99M | (m) | 7.85% | 3.04% | (m) | (m) |
| 2013-06-30 | $8.66M | $112.37M | $2.98M | $12.37M | (m) | 7.70% | 2.66% | (m) | (m) |
| 2013-03-31 | $8.15M | $107.61M | $2.63M | $23.57M | (m) | 7.57% | 2.45% | (m) | (m) |
| 2012-12-31 | $7.82M | $103.16M | $2.32M | $22.07M | (m) | 7.58% | 2.25% | (m) | (m) |
| 2012-09-30 | $7.65M | $99.10M | $1.97M | $21.86M | (m) | 7.72% | 1.99% | (m) | (m) |
| 2012-06-30 | $7.16M | $92.55M | $1.80M | $19.96M | (m) | 7.74% | 1.94% | (m) | (m) |
| 2012-03-31 | $6.75M | $85.80M | $1.51M | $7.18M | (m) | 7.86% | 1.76% | (m) | (m) |
| 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 | $4.82M | $70.16M | $458.00K | $6.24M | (m) | 6.87% | 0.65% | (m) | (m) |
| 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 | $5.05M | $63.40M | $204.00K | $3.98M | (m) | 7.96% | 0.32% | (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.
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