Calix (CALX) vs Tenable (TENB)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 9, 2026.
Summary
Tenable (TENB) has outperformed Calix (CALX) over the past year, gaining 30.5% versus a loss of 39.8%. Over five years, TENB leads with a -23.3% price change compared with -37.1% for CALX. Tenable is the larger company by market cap ($4.30 billion vs $2.27 billion), about 1.9 times the size.
On valuation, Calix trades at a lower forward P/E (15.7x vs 17.9x for Tenable).
Summary generated from market data by MetaCap's automated system. Methodology
Relative performance
Percent change in share price from the first common trading day shown; excludes dividends.
Head-to-head
| Metric | CALX | TENB |
|---|---|---|
| Share price | $36.08 | $39.01 |
| Market cap | $2.27B | $4.30B |
| 1-day change | +1.52% | +0.18% |
| YTD return | -31.83% | +65.79% |
| 1-year return | -39.82% | +30.47% |
| 5-year return | -37.11% | -23.28% |
| P/E ratio (TTM) | 48.11 | 650.17 |
| Forward P/E | 15.67 | 17.89 |
| EPS (TTM) | $0.75 | $0.06 |
| Dividend yield | 0.00% | 0.00% |
| Annual dividend | $0.00 | $0.00 |
| Revenue (latest FY) | — | $999.40M |
| Revenue growth (YoY) | — | +11.04% |
| Net income (latest FY) | — | $-36.12M |
| Gross margin | — | 78.09% |
| Operating margin | — | -0.92% |
| Net margin | — | -3.61% |
| 52-week high | $71.22 | $43.67 |
| 52-week low | $32.35 | $15.73 |
| Distance from 52-week high | -49.34% | -10.67% |
| Analyst consensus | none | hold |
| Avg. price target upside | +72.75% | -9.38% |
| Average volume | 1.12M | 4.06M |
| Shares outstanding | 62.96M | 110.14M |
| Employees | 1,921 | 1,995 |
| Sector | Technology | Technology |
| Industry | Software - Infrastructure | Software - Infrastructure |
Highlighted cells mark the higher value for growth, returns, margins and yield, and the lower value for P/E ratios. Highlighting is a mechanical comparison, not a recommendation.
Key differences
- TENB has outperformed CALX by 70.3 percentage points over the past year.
- Tenable trades at a higher earnings multiple (650.2x vs 48.1x trailing P/E).
About Calix
CALX stock →Calix, Inc., together with its subsidiaries, engages in the provision of cloud and software platforms, and systems and services in the United States, rest of Americas, Europe, the Middle East, Africa, and the Asia Pacific. The company cloud and software platforms, and systems and services enable broadband service providers (BSPs) to provide a range of services.
Technology · Software - Infrastructure · 1,921 employees
About Tenable
TENB stock →Tenable Holdings, Inc. provides cyber exposure management solutions in the Americas, Europe, the Middle East, Africa, the Asia Pacific, and Japan.
Technology · Software - Infrastructure · 1,995 employees
CALX vs TENB FAQ
Which is bigger, Calix or Tenable?
Tenable (TENB) is larger, with a market capitalization of $4.30B compared with $2.27B for Calix (CALX).
Which stock has performed better over the past year, CALX or TENB?
TENB returned +30.47% over the past 12 months, compared with -39.82% for CALX (price return, excluding dividends). Past performance does not predict future results.
Which has the lower P/E ratio, CALX or TENB?
CALX has the lower trailing P/E at 48.1, versus 650.2 for TENB. A lower P/E is not by itself a sign of a better investment; it can reflect slower expected growth or higher risk.
Are Calix and Tenable in the same industry?
Yes. Both are classified in the Software - Infrastructure industry within the Technology sector.