000660.KS vs. CAT

Last updated Jun 9, 2026

000660.KS (SK Hynix Inc) and CAT (Caterpillar Inc.) are both stocks. 000660.KS operates in Semiconductors (Technology), while CAT operates in Farm & Heavy Construction Machinery (Industrials). Over the past 10 years, 000660.KS returned 56.26%/yr vs 34.62%/yr for CAT. At a 0.04 correlation, their price movements are largely independent.

Performance

000660.KS vs. CAT - Performance Comparison

The chart below illustrates the hypothetical performance of a ₩10,000 investment in SK Hynix Inc (000660.KS) and Caterpillar Inc. (CAT). The values are adjusted to include any dividend payments, if applicable.

Different Trading Currencies

000660.KS is traded in KRW, while CAT is traded in USD. To make them comparable, the CAT values have been converted to KRW using the latest available exchange rates.

Returns By Period

In the year-to-date period, 000660.KS achieves a 240.93% return, which is significantly higher than CAT's 69.04% return. Over the past 10 years, 000660.KS has outperformed CAT with an annualized return of 56.26%, while CAT has yielded a comparatively lower 34.62% annualized return.

000660.KS

• 1D: 15.91%
• 1M: 31.40%
• YTD: 240.93%
• 6M: 284.65%
• 1Y: 890.76%
• 3Y*: 170.06%
• 5Y*: 80.24%
• 10Y*: 56.26%

CAT

• 1D: -1.46%
• 1M: 5.90%
• YTD: 69.04%
• 6M: 59.12%
• 1Y: 192.35%
• 3Y*: 68.76%
• 5Y*: 42.14%
• 10Y*: 34.62%

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

000660.KS vs. CAT - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
000660.KS SK Hynix Inc	240.93%	278.82%	23.46%	90.71%	-41.98%	11.90%	27.22%	57.20%	-18.89%	73.49%
CAT Caterpillar Inc.	69.04%	56.62%	42.13%	29.54%	25.31%	27.04%	19.51%	24.05%	-14.00%	54.65%

Correlation

The correlation between 000660.KS and CAT is 0.04, 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	0.04
Correlation (3Y) Calculated over the trailing 3-year period	0.05
Correlation (5Y) Calculated over the trailing 5-year period	0.02
Correlation (10Y) Calculated over the trailing 10-year period	0.04
Correlation (All Time) Calculated using the full available price history since Jul 9, 2007	0.04

Return for Risk

000660.KS vs. CAT — Risk / Return Rank

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

000660.KS

000660.KS Risk / Return Rank: 99
000660.KS Sharpe Ratio Rank: 100
000660.KS Sortino Ratio Rank: 99
000660.KS Omega Ratio Rank: 98
000660.KS Calmar Ratio Rank: 100
000660.KS Martin Ratio Rank: 100

CAT

CAT Risk / Return Rank: 98
CAT Sharpe Ratio Rank: 99
CAT Sortino Ratio Rank: 98
CAT Omega Ratio Rank: 97
CAT Calmar Ratio Rank: 98
CAT Martin Ratio Rank: 99

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.

000660.KS vs. CAT - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for SK Hynix Inc (000660.KS) and Caterpillar Inc. (CAT). 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.

	000660.KS	CAT	Difference
Sharpe ratio: Return per unit of total volatility	13.27	5.96	+7.31
Sortino ratio: Return per unit of downside risk	6.44	6.52	-0.08
Omega ratio: Gain probability vs. loss probability	1.88	1.85	+0.03
Calmar ratio: Return relative to maximum drawdown	35.62	18.73	+16.89
Martin ratio: Return relative to average drawdown	110.26	54.77	+55.49
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

000660.KS vs. CAT - Sharpe Ratio Comparison

The current 000660.KS Sharpe Ratio is 13.27, which is higher than the CAT Sharpe Ratio of 5.96. The chart below compares the historical Sharpe Ratios of 000660.KS and CAT, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	000660.KS	CAT	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	13.27	5.96	+7.31
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	1.72	1.43	+0.29
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	1.35	1.18	+0.18
Sharpe Ratio (All Time) Calculated using the full available price history	0.58	0.63	-0.05

Drawdowns

000660.KS vs. CAT - Drawdown Comparison

The maximum 000660.KS drawdown since its inception was -84.57%, which is greater than CAT's maximum drawdown of -59.40%. Use the drawdown chart below to compare losses from any high point for 000660.KS and CAT.

Drawdown Indicators

	000660.KS	CAT	Difference
Max Drawdown Largest peak-to-trough decline	-84.57%	-59.40%	-25.17%
Max Drawdown (1Y) Largest decline over 1 year	-26.57%	-10.34%	-16.23%
Max Drawdown (3Y) Largest decline over 3 years	-36.60%	-30.38%	-6.22%
Max Drawdown (5Y) Largest decline over 5 years	-42.86%	-30.38%	-12.48%
Max Drawdown (10Y) Largest decline over 10 years	-48.20%	-35.81%	-12.39%
Current Drawdown Current decline from peak	-6.26%	-3.65%	-2.61%
Average Drawdown Average peak-to-trough decline	-22.48%	-13.78%	-8.70%
Ulcer Index Depth and duration of drawdowns from previous peaks	8.45%	3.53%	+4.92%

Volatility

000660.KS vs. CAT - Volatility Comparison

SK Hynix Inc (000660.KS) has a higher volatility of 30.14% compared to Caterpillar Inc. (CAT) at 10.82%. This indicates that 000660.KS's price experiences larger fluctuations and is considered to be riskier than CAT based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	000660.KS	CAT	Difference
Volatility (1M) Calculated over the trailing 1-month period	30.14%	10.82%	+19.32%
Volatility (6M) Calculated over the trailing 6-month period	57.49%	25.71%	+31.78%
Volatility (1Y) Calculated over the trailing 1-year period	71.32%	32.52%	+38.80%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	48.53%	29.68%	+18.85%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	43.05%	29.51%	+13.54%

Dividends

000660.KS vs. CAT - Dividend Comparison

000660.KS's dividend yield for the trailing twelve months is around 0.14%, less than CAT's 0.66% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
000660.KS SK Hynix Inc	0.14%	0.42%	0.52%	0.85%	1.60%	1.18%	0.99%	1.06%	2.48%	1.31%	1.34%	1.63%
CAT Caterpillar Inc.	0.66%	1.02%	1.49%	1.69%	1.93%	2.07%	2.26%	2.56%	2.58%	1.97%	3.32%	4.33%

Financials

Frequently Asked Questions

Can I hold both 000660.KS and CAT in my portfolio?

000660.KS and CAT have a correlation of 0.04, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.