SIGI vs. COST
Compare and contrast key facts about Selective Insurance Group, Inc. (SIGI) and Costco Wholesale Corporation (COST).
Performance
SIGI vs. COST - Performance Comparison
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SIGI vs. COST - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
SIGI Selective Insurance Group, Inc. | -8.98% | -8.79% | -4.58% | 13.66% | 9.67% | 24.02% | 4.48% | 8.24% | 5.11% | 38.15% |
COST Costco Wholesale Corporation | 15.72% | -5.39% | 39.62% | 49.00% | -19.05% | 51.82% | 32.67% | 45.70% | 10.60% | 22.37% |
Fundamentals
SIGI:
$7.65
COST:
$25.63
SIGI:
9.91
COST:
38.88
SIGI:
1.18
COST:
3.04
SIGI:
0.87
COST:
1.16
SIGI:
$5.34B
COST:
$286.27B
SIGI:
$459.80M
COST:
$19.33B
SIGI:
$609.49M
COST:
$12.73B
Returns By Period
In the year-to-date period, SIGI achieves a -8.98% return, which is significantly lower than COST's 15.72% return. Over the past 10 years, SIGI has underperformed COST with an annualized return of 9.00%, while COST has yielded a comparatively higher 22.28% annualized return.
SIGI
- 1D
- 0.52%
- 1M
- -10.70%
- YTD
- -8.98%
- 6M
- -5.80%
- 1Y
- -15.96%
- 3Y*
- -5.86%
- 5Y*
- 2.19%
- 10Y*
- 9.00%
COST
- 1D
- 0.01%
- 1M
- -0.62%
- YTD
- 15.72%
- 6M
- 8.94%
- 1Y
- 4.99%
- 3Y*
- 27.83%
- 5Y*
- 24.29%
- 10Y*
- 22.28%
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Return for Risk
SIGI vs. COST — Risk / Return Rank
SIGI
COST
SIGI vs. COST - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Selective Insurance Group, Inc. (SIGI) 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.
| SIGI | COST | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | -0.54 | 0.25 | -0.79 |
Sortino ratioReturn per unit of downside risk | -0.53 | 0.50 | -1.03 |
Omega ratioGain probability vs. loss probability | 0.92 | 1.06 | -0.14 |
Calmar ratioReturn relative to maximum drawdown | -0.80 | 0.31 | -1.11 |
Martin ratioReturn relative to average drawdown | -1.37 | 0.61 | -1.99 |
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
| SIGI | COST | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | -0.54 | 0.25 | -0.79 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.08 | 1.08 | -1.00 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.32 | 1.02 | -0.71 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.33 | 0.59 | -0.26 |
Correlation
The correlation between SIGI and COST is 0.26, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.
Dividends
SIGI vs. COST - Dividend Comparison
SIGI's dividend yield for the trailing twelve months is around 2.14%, more than COST's 0.52% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
SIGI Selective Insurance Group, Inc. | 2.14% | 1.88% | 1.53% | 1.26% | 1.29% | 1.26% | 1.40% | 1.27% | 1.21% | 1.12% | 1.42% | 1.70% |
COST Costco Wholesale Corporation | 0.52% | 0.59% | 0.49% | 2.87% | 0.76% | 0.54% | 3.38% | 0.86% | 1.08% | 4.81% | 1.09% | 4.06% |
Drawdowns
SIGI vs. COST - Drawdown Comparison
The maximum SIGI drawdown since its inception was -63.06%, which is greater than COST's maximum drawdown of -53.39%. Use the drawdown chart below to compare losses from any high point for SIGI and COST.
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Drawdown Indicators
| SIGI | COST | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -63.06% | -53.39% | -9.67% |
Max Drawdown (1Y)Largest decline over 1 year | -19.52% | -19.35% | -0.17% |
Max Drawdown (5Y)Largest decline over 5 years | -30.46% | -31.40% | +0.94% |
Max Drawdown (10Y)Largest decline over 10 years | -48.39% | -31.40% | -16.99% |
Current DrawdownCurrent decline from peak | -28.06% | -6.95% | -21.11% |
Average DrawdownAverage peak-to-trough decline | -14.04% | -13.40% | -0.64% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 11.34% | 9.67% | +1.67% |
Volatility
SIGI vs. COST - Volatility Comparison
Selective Insurance Group, Inc. (SIGI) has a higher volatility of 5.32% compared to Costco Wholesale Corporation (COST) at 4.38%. This indicates that SIGI'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
| SIGI | COST | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.32% | 4.38% | +0.94% |
Volatility (6M)Calculated over the trailing 6-month period | 15.98% | 13.33% | +2.65% |
Volatility (1Y)Calculated over the trailing 1-year period | 29.42% | 20.08% | +9.34% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 27.02% | 22.51% | +4.51% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 28.63% | 21.90% | +6.73% |
Financials
SIGI vs. COST - Financials Comparison
This section allows you to compare key financial metrics between Selective Insurance Group, 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
SIGI vs. COST - Profitability Comparison
SIGI - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Selective Insurance Group, Inc. reported a gross profit of 0.00 and revenue of 1.36B. 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 Apr 2026, Costco Wholesale Corporation reported a gross profit of -8.80B and revenue of 69.60B. Therefore, the gross margin over that period was -12.6%.
SIGI - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Selective Insurance Group, Inc. reported an operating income of 156.20M and revenue of 1.36B, resulting in an operating margin of 11.4%.
COST - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Costco Wholesale Corporation reported an operating income of 2.61B and revenue of 69.60B, resulting in an operating margin of 3.7%.
SIGI - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Selective Insurance Group, Inc. reported a net income of 155.20M and revenue of 1.36B, resulting in a net margin of 11.4%.
COST - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Costco Wholesale Corporation reported a net income of 2.04B and revenue of 69.60B, resulting in a net margin of 2.9%.