AXTI vs. RMBS
AXTI (AXT, Inc.) and RMBS (Rambus Inc.) are both stocks. Both are in the Technology sector — AXTI in Semiconductor Equipment & Materials, RMBS in Semiconductors. Over the past 10 years, AXTI returned 32.40%/yr vs 21.34%/yr for RMBS. Their 0.32 correlation means their historical movements had little consistent relationship.
Performance
AXTI vs. RMBS - Performance Comparison
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Returns By Period
In the year-to-date period, AXTI achieves a 269.60% return, which is significantly higher than RMBS's -0.94% return. Over the past 10 years, AXTI has outperformed RMBS with an annualized return of 32.40%, while RMBS has yielded a comparatively lower 21.34% annualized return.
AXTI
- 1D
- 28.74%
- 1M
- 6.73%
- 6M
- 225.94%
- YTD
- 269.60%
- 1Y
- 3,047.40%
- 3Y*
- 169.71%
- 5Y*
- 42.74%
- 10Y*
- 32.40%
- ALL TIME*
- 6.40%
RMBS
- 1D
- 1.62%
- 1M
- -19.39%
- 6M
- -20.03%
- YTD
- -0.94%
- 1Y
- 25.71%
- 3Y*
- 18.38%
- 5Y*
- 30.93%
- 10Y*
- 21.34%
- ALL TIME*
- 9.76%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
AXTI AXT, Inc. | $521.22M | $514.43M | $822.68M |
RMBS Rambus Inc. | $291.91M | $305.93M | $370.74M |
AXTI vs. RMBS - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
AXTI AXT, Inc. | 269.60% | 653.46% | -9.58% | -45.21% | -50.28% | -7.94% | 120.00% | -0.00% | -50.00% | 81.25% |
RMBS Rambus Inc. | -0.94% | 73.84% | -22.55% | 90.54% | 21.88% | 68.33% | 26.75% | 79.60% | -46.06% | 3.27% |
Correlation
The correlation between AXTI and RMBS is 0.33, which is low. Their historical price movements had little consistent relationship.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.33 |
Correlation (3Y) Balances recent behavior with more history. | 0.37 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.42 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.43 |
Correlation (All Time) Calculated using the full available price history since May 21, 1998 | 0.32 |
The correlation between AXTI and RMBS shifts across timeframes, from 0.32 (all time) to 0.43 (10 years), reflecting how their relationship changes across market environments.
Fundamentals
AXTI:
$3.07B
RMBS:
$9.87B
AXTI:
$0.08
RMBS:
$2.19
AXTI:
750.99
RMBS:
41.61
AXTI:
10.43
RMBS:
0.09
AXTI:
24.26
RMBS:
13.19
AXTI:
4.08
RMBS:
6.82
AXTI:
$125.51M
RMBS:
$756.33M
AXTI:
$40.39M
RMBS:
$591.98M
AXTI:
$17.91M
RMBS:
$331.39M
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Return for Risk
AXTI vs. RMBS — Risk / Return Rank
AXTI
RMBS
AXTI vs. RMBS - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for AXT, Inc. (AXTI) and Rambus Inc. (RMBS). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| AXTI | RMBS | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +18.72 | ||
| Sortino ratioReturn per unit of downside risk | +4.34 | ||
| Omega ratioGain probability vs. loss probability | 1.64 | 1.12 | +0.52 |
| Calmar ratioReturn relative to maximum drawdown | 38.57 | 0.45 | +38.12 |
| Martin ratioReturn relative to average drawdown | 117.62 | 1.19 | +116.42 |
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Drawdowns
AXTI vs. RMBS - Drawdown Comparison
The maximum AXTI drawdown since its inception was -98.57%, roughly equal to the maximum RMBS drawdown of -97.16%. Use the drawdown chart below to compare losses from any high point for AXTI and RMBS.
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Drawdown Indicators
| AXTI | RMBS | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -98.57% | -97.16% | -1.41% |
Max Drawdown (1Y)Largest decline over 1 year | -73.75% | -51.48% | -22.27% |
Max Drawdown (3Y)Largest decline over 3 years | -78.52% | -51.48% | -27.04% |
Max Drawdown (5Y)Largest decline over 5 years | -88.79% | -51.48% | -37.31% |
Max Drawdown (10Y)Largest decline over 10 years | -92.45% | -52.95% | -39.50% |
Current DrawdownCurrent decline from peak | -57.09% | -46.66% | -10.43% |
Average DrawdownAverage peak-to-trough decline | -82.15% | -74.70% | -7.45% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 24.14% | 19.45% | +4.69% |
Volatility
AXTI vs. RMBS - Volatility Comparison
AXT, Inc. (AXTI) has a higher volatility of 57.24% compared to Rambus Inc. (RMBS) at 22.08%. This indicates that AXTI's price experiences larger fluctuations and is considered to be riskier than RMBS based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| AXTI | RMBS | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 57.24% | 22.08% | +35.16% |
Volatility (6M)Calculated over the trailing 6-month period | 122.91% | 64.38% | +58.53% |
Volatility (1Y)Calculated over the trailing 1-year period | 149.65% | 80.06% | +69.59% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 100.30% | 56.88% | +43.42% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 85.23% | 47.18% | +38.05% |
Dividends
AXTI vs. RMBS - Dividend Comparison
Neither AXTI nor RMBS has paid dividends to shareholders.
Financials
AXTI vs. RMBS - Financials Comparison
This section allows you to compare key financial metrics between AXT, Inc. and Rambus Inc.. You can select fields from income statements, balance sheets, and cash flow statements to easily visualize and compare the financial health of both companies.
Total Revenue: Total amount of money received from sales and other business activities
AXTI vs. RMBS - Profitability Comparison
AXTI - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Aug 2026, AXT, Inc. reported a gross profit of 21.37M and revenue of 47.59M. Therefore, the gross margin over that period was 44.9%.
RMBS - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Aug 2026, Rambus Inc. reported a gross profit of 165.41M and revenue of 207.39M. Therefore, the gross margin over that period was 79.8%.
AXTI - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Aug 2026, AXT, Inc. reported an operating income of 10.42M and revenue of 47.59M, resulting in an operating margin of 21.9%.
RMBS - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Aug 2026, Rambus Inc. reported an operating income of 72.73M and revenue of 207.39M, resulting in an operating margin of 35.1%.
AXTI - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Aug 2026, AXT, Inc. reported a net income of 11.13M and revenue of 47.59M, resulting in a net margin of 23.4%.
RMBS - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Aug 2026, Rambus Inc. reported a net income of 67.61M and revenue of 207.39M, resulting in a net margin of 32.6%.
Frequently Asked Questions
AXTI and RMBS have a correlation of 0.33, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
AXTI has higher volatility (57.24%) compared to RMBS (22.08%). In terms of maximum drawdown, AXTI dropped -98.57% vs RMBS's -97.16%.
AXTI currently has the higher Sharpe Ratio (19.01 vs 0.29), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
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