RNMBY vs. COST
RNMBY (Rheinmetall AG ADR) and COST (Costco Wholesale Corporation) are both stocks. RNMBY operates in Aerospace & Defense (Industrials), while COST operates in Discount Stores (Consumer Defensive). Over the past 10 years, RNMBY returned 38.75%/yr vs 22.27%/yr for COST. At a 0.12 correlation, their price movements are largely independent.
Performance
RNMBY vs. COST - Performance Comparison
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Returns By Period
In the year-to-date period, RNMBY achieves a -23.17% return, which is significantly lower than COST's 14.24% return. Over the past 10 years, RNMBY has outperformed COST with an annualized return of 38.75%, while COST has yielded a comparatively lower 22.27% annualized return.
RNMBY
- 1D
- -2.52%
- 1M
- 6.72%
- YTD
- -23.17%
- 6M
- -26.34%
- 1Y
- -32.17%
- 3Y*
- 74.63%
- 5Y*
- 70.20%
- 10Y*
- 38.75%
COST
- 1D
- 0.68%
- 1M
- -6.35%
- YTD
- 14.24%
- 6M
- 11.38%
- 1Y
- -0.24%
- 3Y*
- 25.12%
- 5Y*
- 22.12%
- 10Y*
- 22.27%
RNMBY vs. COST - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
RNMBY Rheinmetall AG ADR | -23.17% | 190.28% | 99.83% | 63.35% | 122.00% | -13.84% | -2.03% | 28.14% | -29.38% | 98.17% |
COST Costco Wholesale Corporation | 14.24% | -5.39% | 39.62% | 49.00% | -19.05% | 51.82% | 32.67% | 45.70% | 10.60% | 22.37% |
Correlation
The correlation between RNMBY and COST is 0.03, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.03 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.12 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.10 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.11 |
Correlation (All Time) Calculated using the full available price history since Nov 21, 2012 | 0.12 |
Fundamentals
RNMBY:
€3.56
COST:
$26.51
RNMBY:
67.40
COST:
37.06
RNMBY:
3.08
COST:
2.90
RNMBY:
5.07
COST:
1.12
RNMBY:
€9.58B
COST:
$293.59B
RNMBY:
€4.12B
COST:
$11.12B
RNMBY:
€1.81B
COST:
$12.48B
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Return for Risk
RNMBY vs. COST — Risk / Return Rank
RNMBY
COST
RNMBY vs. COST - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Rheinmetall AG ADR (RNMBY) and Costco Wholesale Corporation (COST). 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.
| RNMBY | COST | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.59 | ||
| Sortino ratioReturn per unit of downside risk | -0.80 | ||
| Omega ratioGain probability vs. loss probability | 0.91 | 1.00 | -0.09 |
| Calmar ratioReturn relative to maximum drawdown | -0.69 | -0.10 | -0.60 |
| Martin ratioReturn relative to average drawdown | -1.50 | -0.22 | -1.28 |
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Drawdowns
RNMBY vs. COST - Drawdown Comparison
The maximum RNMBY drawdown since its inception was -67.75%, which is greater than COST's maximum drawdown of -53.39%. Use the drawdown chart below to compare losses from any high point for RNMBY and COST.
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Drawdown Indicators
| RNMBY | COST | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -67.75% | -53.39% | -14.36% |
Max Drawdown (1Y)Largest decline over 1 year | -44.06% | -15.14% | -28.92% |
Max Drawdown (3Y)Largest decline over 3 years | -44.06% | -20.74% | -23.32% |
Max Drawdown (5Y)Largest decline over 5 years | -44.06% | -31.40% | -12.66% |
Max Drawdown (10Y)Largest decline over 10 years | -67.75% | -31.40% | -36.35% |
Current DrawdownCurrent decline from peak | -40.00% | -10.23% | -29.77% |
Average DrawdownAverage peak-to-trough decline | -16.73% | -13.36% | -3.37% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 20.36% | 6.67% | +13.69% |
Volatility
RNMBY vs. COST - Volatility Comparison
Rheinmetall AG ADR (RNMBY) has a higher volatility of 12.05% compared to Costco Wholesale Corporation (COST) at 7.44%. This indicates that RNMBY's price experiences larger fluctuations and is considered to be riskier than COST based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| RNMBY | COST | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 12.05% | 7.44% | +4.61% |
Volatility (6M)Calculated over the trailing 6-month period | 33.85% | 14.53% | +19.32% |
Volatility (1Y)Calculated over the trailing 1-year period | 45.65% | 18.80% | +26.85% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 44.78% | 22.72% | +22.06% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 41.51% | 21.95% | +19.56% |
Dividends
RNMBY vs. COST - Dividend Comparison
RNMBY's dividend yield for the trailing twelve months is around 0.98%, more than COST's 0.55% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
COST Costco Wholesale Corporation | 0.55% | 0.59% | 0.49% | 2.87% | 0.76% | 0.54% | 3.38% | 0.86% | 1.08% | 4.81% | 1.09% | 4.06% |
RNMBY Rheinmetall AG ADR | 0.98% | 0.49% | 0.96% | 1.46% | 1.82% | 1.72% | 1.56% | 1.36% | 1.47% | 2.06% | 2.97% | 0.53% |
Financials
RNMBY vs. COST - Financials Comparison
This section allows you to compare key financial metrics between Rheinmetall AG ADR and Costco Wholesale Corporation. 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
RNMBY vs. COST - Profitability Comparison
RNMBY - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Rheinmetall AG ADR reported a gross profit of 430.97M and revenue of 1.97B. Therefore, the gross margin over that period was 21.9%.
COST - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Costco Wholesale Corporation reported a gross profit of -17.68B and revenue of 70.53B. Therefore, the gross margin over that period was -25.1%.
RNMBY - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Rheinmetall AG ADR reported an operating income of 178.89M and revenue of 1.97B, resulting in an operating margin of 9.1%.
COST - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Costco Wholesale Corporation reported an operating income of 2.82B and revenue of 70.53B, resulting in an operating margin of 4.0%.
RNMBY - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Rheinmetall AG ADR reported a net income of 112.83M and revenue of 1.97B, resulting in a net margin of 5.7%.
COST - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Costco Wholesale Corporation reported a net income of 2.19B and revenue of 70.53B, resulting in a net margin of 3.1%.
Frequently Asked Questions
RNMBY and COST have a correlation of 0.03, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
RNMBY has higher volatility (12.05%) compared to COST (7.44%). In terms of maximum drawdown, RNMBY dropped -67.75% vs COST's -53.39%.
COST currently has the higher Sharpe Ratio (-0.08 vs -0.67), 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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