SHLD vs. COST
SHLD (Global X Defense Tech ETF) is Aerospace & Defense fund tracking the Global X Defense Tech Index, while COST (Costco Wholesale Corporation) is a stock. Over the past year, SHLD returned 8.26% vs -0.24% for COST. At a 0.19 correlation, their price movements are largely independent.
Performance
SHLD vs. COST - Performance Comparison
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Returns By Period
In the year-to-date period, SHLD achieves a -1.50% return, which is significantly lower than COST's 14.24% return.
SHLD
- 1D
- -2.04%
- 1M
- 2.37%
- YTD
- -1.50%
- 6M
- -1.03%
- 1Y
- 8.26%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
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%
SHLD vs. COST - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | |
|---|---|---|---|---|
SHLD Global X Defense Tech ETF | -1.50% | 74.16% | 35.03% | 12.89% |
COST Costco Wholesale Corporation | 14.24% | -5.39% | 39.62% | 21.03% |
Correlation
The correlation between SHLD and COST is -0.02, 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 | -0.02 |
Correlation (All Time) Calculated using the full available price history since Sep 13, 2023 | 0.19 |
The correlation between SHLD and COST shifts across timeframes, from -0.02 (1 year) to 0.19 (all time), reflecting how their relationship changes across market environments.
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Return for Risk
SHLD vs. COST — Risk / Return Rank
SHLD
COST
SHLD vs. COST - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Global X Defense Tech ETF (SHLD) 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.
| SHLD | COST | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.51 | ||
| Sortino ratioReturn per unit of downside risk | +0.76 | ||
| Omega ratioGain probability vs. loss probability | 1.09 | 1.00 | +0.09 |
| Calmar ratioReturn relative to maximum drawdown | 0.52 | -0.10 | +0.62 |
| Martin ratioReturn relative to average drawdown | 1.28 | -0.22 | +1.51 |
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Drawdowns
SHLD vs. COST - Drawdown Comparison
The maximum SHLD drawdown since its inception was -20.10%, smaller than the maximum COST drawdown of -53.39%. Use the drawdown chart below to compare losses from any high point for SHLD and COST.
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Drawdown Indicators
| SHLD | COST | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -20.10% | -53.39% | +33.29% |
Max Drawdown (1Y)Largest decline over 1 year | -20.10% | -15.14% | -4.96% |
Max Drawdown (3Y)Largest decline over 3 years | — | -20.74% | — |
Max Drawdown (5Y)Largest decline over 5 years | — | -31.40% | — |
Max Drawdown (10Y)Largest decline over 10 years | — | -31.40% | — |
Current DrawdownCurrent decline from peak | -18.20% | -10.23% | -7.97% |
Average DrawdownAverage peak-to-trough decline | -3.34% | -13.36% | +10.02% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 8.12% | 6.67% | +1.45% |
Volatility
SHLD vs. COST - Volatility Comparison
Global X Defense Tech ETF (SHLD) has a higher volatility of 9.05% compared to Costco Wholesale Corporation (COST) at 7.44%. This indicates that SHLD'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
| SHLD | COST | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 9.05% | 7.44% | +1.61% |
Volatility (6M)Calculated over the trailing 6-month period | 19.94% | 14.53% | +5.41% |
Volatility (1Y)Calculated over the trailing 1-year period | 24.55% | 18.80% | +5.75% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 21.29% | 22.72% | -1.43% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 21.29% | 21.95% | -0.66% |
Dividends
SHLD vs. COST - Dividend Comparison
SHLD's dividend yield for the trailing twelve months is around 0.56%, 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% |
SHLD Global X Defense Tech ETF | 0.56% | 0.55% | 0.53% | 0.26% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
SHLD and COST have a correlation of -0.02, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
SHLD has higher volatility (9.05%) compared to COST (7.44%). In terms of maximum drawdown, SHLD dropped -20.10% vs COST's -53.39%.
SHLD currently has the higher Sharpe Ratio (0.43 vs -0.08), 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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