Calix, Inc (CALX) Spending and interest coverage
- R&D / revenue · 12 months: Value 18.72%; Formula and calculation Research and development expense / revenue. Period ending 2026-06-27..
- Stock-based compensation / revenue · 12 months: Value 7.19%; Formula and calculation Share-based compensation / revenue. Period ending 2026-06-27..
- 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 2026-06-27; current quote (m). Amounts retain their stated periods and units.
| Metric | Value | Formula and calculation |
|---|---|---|
| R&D / revenue · 12 months | 18.72% | Research and development expense / revenue. Period ending 2026-06-27. $207.99M ÷ $1.11B × 100 ≈ 18.72% |
| Stock-based compensation / revenue · 12 months | 7.19% | Share-based compensation / revenue. Period ending 2026-06-27. $79.87M ÷ $1.11B × 100 ≈ 7.19% |
| 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 | 207.99M USD | Research and Development Expense |
| Revenue | 1.11B USD | Revenue from Contract with Customer, Excluding Assessed Tax |
| Stock-based compensation | 79.87M USD | Share-based Payment Arrangement, Noncash Expense |
| Operating income | 61.24M 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 |
|---|---|---|---|---|---|---|---|---|---|
| 2026-06-27 | $207.99M | $1.11B | $79.87M | $61.24M | (m) | 18.72% | 7.19% | (m) | (m) |
| 2026-03-28 | $201.02M | $1.06B | $88.79M | $39.79M | (m) | 18.97% | 8.38% | (m) | (m) |
| 2025-12-31 | $190.36M | $1.00B | $87.93M | $20.99M | (m) | 19.04% | 8.79% | (m) | (m) |
| 2025-09-27 | $182.68M | $933.68M | $88.05M | $-7.04M | (m) | 19.57% | 9.43% | (m) | (m) |
| 2025-06-28 | $181.09M | $869.19M | $83.80M | $-35.34M | (m) | 20.83% | 9.64% | (m) | (m) |
| 2025-03-29 | $179.43M | $825.45M | $73.65M | $-47.08M | (m) | 21.74% | 8.92% | (m) | (m) |
| 2024-12-31 | $179.87M | $831.52M | $70.76M | $-43.03M | (m) | 21.63% | 8.51% | (m) | (m) |
| 2024-09-28 | $176.31M | $890.13M | $61.37M | $-36.38M | (m) | 19.81% | 6.89% | (m) | (m) |
| 2024-06-29 | $177.80M | $953.02M | $61.02M | $-9.55M | (m) | 18.66% | 6.40% | (m) | (m) |
| 2024-03-30 | $179.02M | $1.02B | $63.41M | $13.62M | (m) | 17.62% | 6.24% | (m) | (m) |
| 2023-12-31 | $177.77M | $1.04B | $62.77M | $25.59M | (m) | 17.10% | 6.04% | (m) | (m) |
| 2023-09-30 | $174.03M | $1.02B | $63.41M | $50.73M | (m) | 17.07% | 6.22% | (m) | (m) |
| 2023-07-01 | $160.26M | $991.86M | $58.41M | $54.80M | (m) | 16.16% | 5.89% | (m) | (m) |
| 2023-04-01 | $145.35M | $932.89M | $50.58M | $52.69M | (m) | 15.58% | 5.42% | (m) | (m) |
| 2022-12-31 | $131.99M | $867.83M | $44.83M | $52.61M | (m) | 15.21% | 5.17% | (m) | (m) |
| 2022-10-01 | $119.38M | (m) | $37.68M | $54.17M | (m) | (m) | (m) | (m) | (m) |
| 2022-07-02 | $111.91M | (m) | $33.31M | $52.16M | (m) | (m) | (m) | (m) | (m) |
| 2022-04-02 | $107.20M | (m) | $29.53M | $62.99M | (m) | (m) | (m) | (m) | (m) |
| 2021-12-31 | $101.75M | (m) | $24.23M | $73.94M | (m) | (m) | (m) | (m) | (m) |
| 2021-10-02 | $99.09M | (m) | $22.21M | $84.10M | (m) | (m) | (m) | (m) | (m) |
| 2021-07-03 | $93.75M | (m) | $19.13M | $87.86M | (m) | (m) | (m) | (m) | (m) |
| 2021-04-03 | $88.95M | (m) | $16.15M | $63.99M | (m) | (m) | (m) | (m) | (m) |
| 2020-12-31 | $85.26M | (m) | $13.96M | $36.85M | (m) | (m) | (m) | (m) | (m) |
| 2020-09-26 | $82.23M | (m) | $12.51M | $13.57M | (m) | (m) | (m) | (m) | (m) |
| 2020-06-27 | $82.75M | (m) | $11.69M | $-11.04M | (m) | (m) | (m) | (m) | (m) |
| 2020-03-28 | $82.53M | (m) | $11.02M | $-12.63M | (m) | (m) | (m) | (m) | (m) |
| 2019-12-31 | $81.18M | (m) | $11.18M | $-15.40M | (m) | (m) | (m) | (m) | (m) |
| 2019-09-28 | $82.14M | (m) | $18.15M | $-22.05M | (m) | (m) | (m) | (m) | (m) |
| 2019-06-29 | $82.36M | (m) | $17.89M | $-18.52M | (m) | (m) | (m) | (m) | (m) |
| 2019-03-30 | $83.76M | (m) | $17.86M | $-16.52M | (m) | (m) | (m) | (m) | (m) |
| 2018-12-31 | $89.96M | (m) | $17.47M | $-18.51M | (m) | (m) | (m) | (m) | (m) |
| 2018-09-29 | $96.90M | (m) | $10.85M | $-26.12M | (m) | (m) | (m) | (m) | (m) |
| 2018-06-30 | $108.42M | $477.83M | $11.35M | $-44.06M | (m) | 22.69% | 2.38% | (m) | (m) |
| 2018-03-31 | $119.27M | $492.25M | $11.59M | $-59.85M | (m) | 24.23% | 2.35% | (m) | (m) |
| 2017-12-31 | $127.54M | $510.37M | $12.37M | $-81.56M | (m) | 24.99% | 2.42% | (m) | (m) |
| 2017-09-30 | $130.34M | $504.27M | $13.23M | $-81.03M | (m) | 25.85% | 2.62% | (m) | (m) |
| 2017-07-01 | $125.82M | $496.63M | $14.91M | $-63.03M | (m) | 25.34% | 3.00% | (m) | (m) |
| 2017-04-01 | $117.90M | $477.93M | $15.10M | $-50.20M | $465.00K | 24.67% | 3.16% | -107.95× | Reported |
| 2016-12-31 | $106.87M | $458.79M | $14.29M | $-28.12M | $585.00K | 23.29% | 3.11% | -48.07× | Reported |
| 2016-09-24 | $98.75M | $431.99M | $13.58M | $-25.62M | $712.00K | 22.86% | 3.14% | -35.98× | Reported |
| 2016-06-25 | $92.75M | $423.10M | $11.49M | $-25.48M | $820.00K | 21.92% | 2.72% | -31.07× | Reported |
| 2016-03-26 | $90.57M | $414.80M | $12.86M | $-25.36M | $929.00K | 21.84% | 3.10% | -27.30× | Reported |
| 2015-12-31 | $89.71M | $407.46M | $13.80M | $-26.51M | $1.14M | 22.02% | 3.39% | -23.17× | Reported |
| 2015-09-26 | $88.09M | $414.10M | $14.49M | $-19.63M | $1.55M | 21.27% | 3.50% | -12.64× | Reported |
| 2015-06-27 | $85.90M | $407.57M | $15.71M | $-24.25M | $1.35M | 21.08% | 3.86% | -17.98× | Reported |
| 2015-03-28 | $82.59M | $406.44M | $15.78M | $-22.37M | $1.13M | 20.32% | 3.88% | -19.84× | Reported |
| 2014-12-31 | $80.31M | $401.23M | $16.02M | $-20.38M | $806.00K | 20.02% | 3.99% | -25.29× | Reported |
| 2014-09-27 | $78.42M | $383.60M | $17.07M | $-25.59M | $247.00K | 20.44% | 4.45% | -103.59× | Reported |
| 2014-06-28 | $78.27M | $381.46M | $18.23M | $-21.86M | $212.00K | 20.52% | 4.78% | -103.09× | Reported |
| 2014-03-29 | $78.76M | $377.89M | $19.10M | $-22.81M | $196.00K | 20.84% | 5.06% | -116.38× | Reported |
| 2013-12-31 | $79.30M | $382.62M | $19.92M | $-18.45M | $167.00K | 20.73% | 5.21% | -110.50× | Reported |
| 2013-09-28 | $77.13M | $380.04M | $19.44M | $-18.14M | $139.00K | 20.29% | 5.12% | -130.54× | Reported |
| 2013-06-29 | $73.52M | $357.71M | $18.78M | $-25.21M | $156.00K | 20.55% | 5.25% | -161.60× | Reported |
| 2013-03-30 | $69.95M | $342.20M | $17.84M | $-27.20M | $171.00K | 20.44% | 5.21% | -159.04× | Reported |
| 2012-12-31 | $66.75M | $330.22M | $17.44M | $-29.02M | $185.00K | 20.21% | 5.28% | -156.89× | Reported |
| 2012-09-29 | $66.99M | $330.38M | $17.33M | $-26.43M | $185.00K | 20.28% | 5.24% | -142.88× | Reported |
| 2012-06-30 | $67.54M | $332.73M | $16.82M | $-26.25M | $192.00K | 20.30% | 5.05% | -136.71× | Reported |
| 2012-03-31 | $69.65M | $351.76M | $17.80M | $-36.96M | $180.00K | 19.80% | 5.06% | -205.31× | Reported |
| 2011-12-31 | $67.72M | $344.67M | $21.60M | $-52.32M | $184.00K | 19.65% | 6.27% | -284.35× | Reported |
| 2011-09-24 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2011-06-25 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2011-03-26 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2010-12-31 | $55.41M | $287.04M | $25.57M | $-17.48M | $1.19M | 19.30% | 8.91% | -14.72× | Reported |
| 2010-09-25 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2010-06-26 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2009-12-31 | $46.13M | $232.95M | $9.20M | $-19.33M | $3.87M | 19.80% | 3.95% | -5.00× | 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.
Similar stocks
| Stock Name | Country | Market Cap | PE Ratio |
|---|---|---|---|
| COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) | United States | $0.391B | -15.71 |
| Gogo Inc. (GOGO) | United States | $0.308B | -492.57 |
| KVH INDUSTRIES INC \DE\ (KVHI) | United States | $0.134B | -32.71 |
| Elauwit Connection, Inc. (ELWT) | United States | $0.048B | -5.69 |
| Fabric.AI, Inc. (FABC) | United States | $0.016B | |
| Iridium Communications Inc. (IRDM) | United States | $5.173B | 62.17 |
| VIASAT INC (VSAT) | United States | $10.155B | 1,385.27 |