PSMT vs. COST
PSMT (PriceSmart, Inc.) and COST (Costco Wholesale Corporation) are both stocks. Both operate in the Discount Stores industry within the Consumer Defensive sector. Over the past 10 years, PSMT returned 7.91%/yr vs 22.34%/yr for COST. At a 0.29 correlation, their price movements are largely independent.
Performance
PSMT vs. COST - Performance Comparison
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Returns By Period
In the year-to-date period, PSMT achieves a 40.09% return, which is significantly higher than COST's 11.85% return. Over the past 10 years, PSMT has underperformed COST with an annualized return of 7.91%, while COST has yielded a comparatively higher 22.34% annualized return.
PSMT
- 1D
- 0.88%
- 1M
- 11.73%
- YTD
- 40.09%
- 6M
- 35.64%
- 1Y
- 61.69%
- 3Y*
- 34.82%
- 5Y*
- 15.24%
- 10Y*
- 7.91%
COST
- 1D
- 0.79%
- 1M
- -5.03%
- YTD
- 11.85%
- 6M
- 4.58%
- 1Y
- -8.37%
- 3Y*
- 25.00%
- 5Y*
- 21.24%
- 10Y*
- 22.34%
PSMT vs. COST - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
PSMT PriceSmart, Inc. | 40.09% | 34.77% | 24.97% | 26.22% | -15.86% | -19.06% | 29.67% | 21.59% | -30.76% | 3.96% |
COST Costco Wholesale Corporation | 11.85% | -5.39% | 39.62% | 49.00% | -19.05% | 51.82% | 32.67% | 45.70% | 10.60% | 22.37% |
Correlation
The correlation between PSMT and COST is 0.24, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.24 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.30 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.36 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.34 |
Correlation (All Time) Calculated using the full available price history since Sep 3, 1997 | 0.29 |
The correlation between PSMT and COST shifts across timeframes, from 0.24 (1 year) to 0.36 (5 years), reflecting how their relationship changes across market environments.
Fundamentals
PSMT:
$5.07
COST:
$26.51
PSMT:
33.75
COST:
36.29
PSMT:
2.95
COST:
2.84
PSMT:
0.93
COST:
1.09
PSMT:
$5.53B
COST:
$293.59B
PSMT:
$705.95M
COST:
$11.12B
PSMT:
$306.73M
COST:
$12.48B
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Return for Risk
PSMT vs. COST — Risk / Return Rank
PSMT
COST
PSMT vs. COST - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for PriceSmart, Inc. (PSMT) 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.
| PSMT | COST | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +2.68 | ||
| Sortino ratioReturn per unit of downside risk | +3.50 | ||
| Omega ratioGain probability vs. loss probability | 1.38 | 0.94 | +0.44 |
| Calmar ratioReturn relative to maximum drawdown | 5.84 | -0.44 | +6.28 |
| Martin ratioReturn relative to average drawdown | 18.02 | -0.88 | +18.90 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| PSMT | COST | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 2.24 | -0.44 | +2.68 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.55 | 0.94 | -0.39 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.26 | 1.02 | -0.76 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.23 | 0.59 | -0.35 |
Drawdowns
PSMT vs. COST - Drawdown Comparison
The maximum PSMT drawdown since its inception was -89.28%, which is greater than COST's maximum drawdown of -53.39%. Use the drawdown chart below to compare losses from any high point for PSMT and COST.
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Drawdown Indicators
| PSMT | COST | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -89.28% | -53.39% | -35.89% |
Max Drawdown (1Y)Largest decline over 1 year | -10.62% | -18.95% | +8.33% |
Max Drawdown (3Y)Largest decline over 3 years | -24.03% | -20.74% | -3.29% |
Max Drawdown (5Y)Largest decline over 5 years | -37.62% | -31.40% | -6.22% |
Max Drawdown (10Y)Largest decline over 10 years | -53.24% | -31.40% | -21.84% |
Current DrawdownCurrent decline from peak | -0.27% | -12.11% | +11.84% |
Average DrawdownAverage peak-to-trough decline | -35.99% | -13.36% | -22.63% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.43% | 9.86% | -6.43% |
Volatility
PSMT vs. COST - Volatility Comparison
The current volatility for PriceSmart, Inc. (PSMT) is 6.05%, while Costco Wholesale Corporation (COST) has a volatility of 8.05%. This indicates that PSMT experiences smaller price fluctuations and is considered to be less risky 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
| PSMT | COST | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 6.05% | 8.05% | -2.00% |
Volatility (6M)Calculated over the trailing 6-month period | 19.88% | 14.83% | +5.05% |
Volatility (1Y)Calculated over the trailing 1-year period | 27.66% | 19.12% | +8.54% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 27.95% | 22.73% | +5.22% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 30.21% | 21.95% | +8.26% |
Dividends
PSMT vs. COST - Dividend Comparison
PSMT's dividend yield for the trailing twelve months is around 0.78%, more than COST's 0.56% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
COST Costco Wholesale Corporation | 0.56% | 0.59% | 0.49% | 2.87% | 0.76% | 0.54% | 3.38% | 0.86% | 1.08% | 4.81% | 1.09% | 4.06% |
PSMT PriceSmart, Inc. | 0.78% | 1.03% | 2.34% | 1.21% | 1.41% | 0.96% | 0.77% | 0.99% | 1.18% | 0.81% | 0.84% | 0.84% |
Financials
PSMT vs. COST - Financials Comparison
This section allows you to compare key financial metrics between PriceSmart, Inc. 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
PSMT vs. COST - Profitability Comparison
PSMT - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, PriceSmart, Inc. reported a gross profit of 0.00 and revenue of 1.50B. Therefore, the gross margin over that period was 0.0%.
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%.
PSMT - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, PriceSmart, Inc. reported an operating income of 75.42M and revenue of 1.50B, resulting in an operating margin of 5.0%.
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%.
PSMT - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, PriceSmart, Inc. reported a net income of 49.09M and revenue of 1.50B, resulting in a net margin of 3.3%.
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
PSMT and COST have a correlation of 0.24, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
COST has higher volatility (8.05%) compared to PSMT (6.05%). In terms of maximum drawdown, PSMT dropped -89.28% vs COST's -53.39%.
PSMT currently has the higher Sharpe Ratio (2.24 vs -0.44), 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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