Kodiak AI, Inc. Common Stock (KDK) vs Ribbon Communications Inc. (RBBN)
A side-by-side comparison of Kodiak AI, Inc. Common Stock and Ribbon Communications Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of October 6, 2026. Differences are shown without an overall score or investment verdict.
KDK
Kodiak AI, Inc. Common Stock
$1.71TechnologyDelayed quote: Oct 6, 2026, 1:00 PM EDT
RBBN
Ribbon Communications Inc.
$1.76TechnologyDelayed quote: Oct 6, 2026, 1:00 PM EDT
Total return — KDK vs RBBN
growth of $100 · dividends reinvested · last 1yKDK -78.2% (-78.2%/yr)RBBN -56.1% (-56.1%/yr)RBBN compounded faster over this window
KDK RBBN
KDK vs RBBN: by the numbers
- •KDK is the larger company ($331M vs $316M market cap).
- •RBBN is profitable (1.96% net margin) while KDK runs a net loss (-4259.61%).
Metrics side by side
Valuation
| Metric | KDK | RBBN |
|---|---|---|
| P/E ratio | N/A | 21.68 |
| Forward P/E | N/A | 35.29 |
| P/S ratio | 46.24 | 0.40 |
| P/B ratio | N/A | 0.80 |
| EV / EBITDA | N/A | 14.34 |
| FCF yield | N/A | 2.33% |
Profitability
| Metric | KDK | RBBN |
|---|---|---|
| Gross margin | -552.38% | 47.03% |
| Operating margin | -2966.16% | -1.62% |
| Net margin | -4259.61% | 1.96% |
| ROE | -889.04% | 3.97% |
| ROIC | -83.01% | -1.53% |
Growth (annualized)
| Metric | KDK | RBBN |
|---|---|---|
| Revenue CAGR (5Y) | N/A | 0.02% |
| EPS CAGR (5Y) | N/A | -19.23% |
| FCF CAGR (5Y) | N/A | -31.98% |
| Total return CAGR (5Y) | N/A | -22.17% |
Frequently asked
- Is KDK or RBBN more profitable?
- RBBN runs the higher net margin — KDK at -4259.61% versus RBBN at 1.96%.
Go deeper
Dig into the metrics
Ribbon Communications P/E ratioKodiak AI, Inc. Common Stock ROERibbon Communications ROEKodiak AI, Inc. Common Stock operating marginRibbon Communications operating marginKodiak AI, Inc. Common Stock revenue growthRibbon Communications revenue growthKodiak AI, Inc. Common Stock free cash flowRibbon Communications free cash flow
Figures are sourced from reported fundamentals and the latest end-of-day price. This comparison is informational only and is not investment advice. Past performance does not predict future results. See our methodology. Compiled by TGMCharts Research · data verified October 6, 2026.