SKM vs. FIX

Last updated Apr 1, 2026

Compare and contrast key facts about SK Telecom Co.,Ltd (SKM) and Comfort Systems USA, Inc. (FIX).

Performance

SKM vs. FIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in SK Telecom Co.,Ltd (SKM) and Comfort Systems USA, Inc. (FIX). The values are adjusted to include any dividend payments, if applicable.

SKM vs. FIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
SKM SK Telecom Co.,Ltd	42.67%	2.55%	2.85%	11.56%	-17.77%	14.59%	6.47%	-13.77%	-3.98%	34.06%
FIX Comfort Systems USA, Inc.	47.83%	120.86%	106.89%	79.62%	16.98%	88.98%	6.73%	15.07%	0.73%	32.13%

Fundamentals

Market Cap SKM : $11.23B FIX : $48.70B
EPS SKM : $1.02K FIX : $28.93
PE Ratio SKM : 0.03 FIX : 47.67
PS Ratio SKM : 0.00 FIX : 5.36
PB Ratio SKM : 0.00 FIX : 19.89
Total Revenue (TTM) SKM : $17.08T FIX : $9.10B
Gross Profit (TTM) SKM : $11.94T FIX : $2.20B
EBITDA (TTM) SKM : $3.71T FIX : $1.42B

Returns By Period

In the year-to-date period, SKM achieves a 42.67% return, which is significantly lower than FIX's 47.83% return. Over the past 10 years, SKM has underperformed FIX with an annualized return of 7.32%, while FIX has yielded a comparatively higher 46.46% annualized return.

SKM

• 1D: 2.38%
• 1M: -3.46%
• YTD: 42.67%
• 6M: 35.60%
• 1Y: 42.15%
• 3Y*: 18.34%
• 5Y*: 7.08%
• 10Y*: 7.32%

FIX

• 1D: 8.31%
• 1M: -3.47%
• YTD: 47.83%
• 6M: 67.30%
• 1Y: 329.03%
• 3Y*: 112.20%
• 5Y*: 79.33%
• 10Y*: 46.46%

*Multi-year figures are annualized to reflect compound growth (CAGR)

Return for Risk

SKM vs. FIX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

SKM

SKM Risk / Return Rank: 80
SKM Sharpe Ratio Rank: 81
SKM Sortino Ratio Rank: 79
SKM Omega Ratio Rank: 79
SKM Calmar Ratio Rank: 84
SKM Martin Ratio Rank: 76

FIX

FIX Risk / Return Rank: 99
FIX Sharpe Ratio Rank: 100
FIX Sortino Ratio Rank: 99
FIX Omega Ratio Rank: 98
FIX Calmar Ratio Rank: 100
FIX Martin Ratio Rank: 100

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

SKM vs. FIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for SK Telecom Co.,Ltd (SKM) and Comfort Systems USA, Inc. (FIX). 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.

	SKM	FIX	Difference
Sharpe ratio Return per unit of total volatility	1.31	5.97	-4.66
Sortino ratio Return per unit of downside risk	1.99	5.33	-3.34
Omega ratio Gain probability vs. loss probability	1.28	1.74	-0.46
Calmar ratio Return relative to maximum drawdown	2.67	23.72	-21.05
Martin ratio Return relative to average drawdown	4.65	80.80	-76.15
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

SKM vs. FIX - Sharpe Ratio Comparison

The current SKM Sharpe Ratio is 1.31, which is lower than the FIX Sharpe Ratio of 5.97. The chart below compares the historical Sharpe Ratios of SKM and FIX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	SKM	FIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.31	5.97	-4.66
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.29	1.82	-1.53
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.30	1.11	-0.81
Sharpe Ratio (All Time) Calculated using the full available price history	0.13	0.38	-0.24

Correlation

The correlation between SKM and FIX is 0.20, 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

SKM vs. FIX - Dividend Comparison

SKM's dividend yield for the trailing twelve months is around 2.28%, more than FIX's 0.16% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
SKM SK Telecom Co.,Ltd	2.28%	5.22%	4.76%	6.86%	6.81%	77.93%	0.38%	0.00%	0.00%	0.35%	4.68%	4.78%
FIX Comfort Systems USA, Inc.	0.16%	0.21%	0.28%	0.41%	0.49%	0.49%	0.81%	0.79%	0.76%	0.68%	0.83%	0.88%

Drawdowns

SKM vs. FIX - Drawdown Comparison

The maximum SKM drawdown since its inception was -74.42%, smaller than the maximum FIX drawdown of -93.36%. Use the drawdown chart below to compare losses from any high point for SKM and FIX.

Drawdown Indicators

	SKM	FIX	Difference
Max Drawdown Largest peak-to-trough decline	-74.42%	-93.36%	+18.94%
Max Drawdown (1Y) Largest decline over 1 year	-16.03%	-13.77%	-2.26%
Max Drawdown (5Y) Largest decline over 5 years	-37.77%	-46.05%	+8.28%
Max Drawdown (10Y) Largest decline over 10 years	-49.83%	-49.68%	-0.15%
Current Drawdown Current decline from peak	-12.38%	-6.23%	-6.15%
Average Drawdown Average peak-to-trough decline	-36.38%	-38.30%	+1.92%
Ulcer Index Depth and duration of drawdowns from previous peaks	9.22%	4.04%	+5.18%

Volatility

SKM vs. FIX - Volatility Comparison

The current volatility for SK Telecom Co.,Ltd (SKM) is 16.66%, while Comfort Systems USA, Inc. (FIX) has a volatility of 20.47%. This indicates that SKM experiences smaller price fluctuations and is considered to be less risky than FIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SKM	FIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	16.66%	20.47%	-3.81%
Volatility (6M) Calculated over the trailing 6-month period	26.97%	40.82%	-13.85%
Volatility (1Y) Calculated over the trailing 1-year period	32.41%	55.55%	-23.14%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	24.86%	43.92%	-19.06%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	24.85%	42.12%	-17.27%

Financials

SKM vs. FIX - Profitability Comparison

The chart below illustrates the profitability comparison between SK Telecom Co.,Ltd and Comfort Systems USA, Inc. over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

SKM - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, SK Telecom Co.,Ltd reported a gross profit of 674.02B and revenue of 4.31T. Therefore, the gross margin over that period was 15.7%.

FIX - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Comfort Systems USA, Inc. reported a gross profit of 674.72M and revenue of 2.65B. Therefore, the gross margin over that period was 25.5%.

SKM - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, SK Telecom Co.,Ltd reported an operating income of -916.59B and revenue of 4.31T, resulting in an operating margin of -21.3%.

FIX - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Comfort Systems USA, Inc. reported an operating income of 426.74M and revenue of 2.65B, resulting in an operating margin of 16.1%.

SKM - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, SK Telecom Co.,Ltd reported a net income of 96.50B and revenue of 4.31T, resulting in a net margin of 2.2%.

FIX - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Comfort Systems USA, Inc. reported a net income of 330.81M and revenue of 2.65B, resulting in a net margin of 12.5%.