000660.KS vs. 226490.KS

Last updated Jul 9, 2026

000660.KS (SK hynix Inc.) is a stock, while 226490.KS (KODEX KOSPI ETF) is South Korea Equities fund tracking the KOSPI Index. Over the past 10 years, 000660.KS returned 54.63%/yr vs 16.54%/yr for 226490.KS. A 0.60 correlation means they provide meaningful diversification when combined.

Performance

000660.KS vs. 226490.KS - Performance Comparison

The chart below illustrates the hypothetical performance of a ₩10,000 investment in SK hynix Inc. (000660.KS) and KODEX KOSPI ETF (226490.KS). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, 000660.KS achieves a 239.24% return, which is significantly higher than 226490.KS's 79.27% return. Over the past 10 years, 000660.KS has outperformed 226490.KS with an annualized return of 54.63%, while 226490.KS has yielded a comparatively lower 16.54% annualized return.

000660.KS

• 1D: 6.17%
• 1M: 15.33%
• 6M: 197.63%
• YTD: 239.24%
• 1Y: 684.83%
• 3Y*: 173.33%
• 5Y*: 81.05%
• 10Y*: 54.63%

226490.KS

• 1D: 3.12%
• 1M: 0.10%
• 6M: 66.04%
• YTD: 79.27%
• 1Y: 144.88%
• 3Y*: 46.77%
• 5Y*: 21.04%
• 10Y*: 16.54%

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

000660.KS vs. 226490.KS - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
000660.KS SK hynix Inc.	239.24%	278.27%	23.46%	90.71%	-41.98%	11.90%	27.22%	57.20%	-18.89%	73.49%
226490.KS KODEX KOSPI ETF	79.27%	79.41%	-7.43%	20.19%	-22.48%	5.26%	32.87%	9.76%	-15.46%	23.69%

Correlation

The correlation between 000660.KS and 226490.KS is 0.84, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.84
Correlation (3Y) Calculated over the trailing 3-year period	0.70
Correlation (5Y) Calculated over the trailing 5-year period	0.68
Correlation (10Y) Calculated over the trailing 10-year period	0.62
Correlation (All Time) Calculated using the full available price history since Aug 21, 2015	0.60

Over the past year, 000660.KS and 226490.KS have become more correlated (0.84) than their long-term average of 0.60, meaning their price movements have been converging.

Return for Risk

000660.KS vs. 226490.KS — 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: 98
000660.KS Omega Ratio Rank: 98
000660.KS Calmar Ratio Rank: 100
000660.KS Martin Ratio Rank: 100

226490.KS

226490.KS Risk / Return Rank: 94
226490.KS Sharpe Ratio Rank: 96
226490.KS Sortino Ratio Rank: 89
226490.KS Omega Ratio Rank: 93
226490.KS Calmar Ratio Rank: 96
226490.KS Martin Ratio Rank: 96

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. 226490.KS - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for SK hynix Inc. (000660.KS) and KODEX KOSPI ETF (226490.KS). 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.

	000660.KS	226490.KS	Difference
Sharpe ratio: Return per unit of total volatility	9.54	3.41	+6.13
Sortino ratio: Return per unit of downside risk	5.19	3.34	+1.85
Omega ratio: Gain probability vs. loss probability	1.70	1.54	+0.17
Calmar ratio: Return relative to maximum drawdown	25.72	7.49	+18.23
Martin ratio: Return relative to average drawdown	77.88	25.56	+52.32

000660.KS vs. 226490.KS - Sharpe Ratio Comparison

The current 000660.KS Sharpe Ratio is 9.54, which is higher than the 226490.KS Sharpe Ratio of 3.41. The chart below compares the historical Sharpe Ratios of 000660.KS and 226490.KS, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

000660.KS vs. 226490.KS - Drawdown Comparison

The maximum 000660.KS drawdown since its inception was -84.57%, which is greater than 226490.KS's maximum drawdown of -41.27%. Use the drawdown chart below to compare losses from any high point for 000660.KS and 226490.KS.

Drawdown Indicators

	000660.KS	226490.KS	Difference
Max Drawdown Largest peak-to-trough decline	-84.57%	-41.27%	-43.30%
Max Drawdown (1Y) Largest decline over 1 year	-28.88%	-20.04%	-8.84%
Max Drawdown (3Y) Largest decline over 3 years	-36.60%	-20.04%	-16.56%
Max Drawdown (5Y) Largest decline over 5 years	-42.86%	-32.55%	-10.31%
Max Drawdown (10Y) Largest decline over 10 years	-48.20%	-41.27%	-6.93%
Current Drawdown Current decline from peak	-24.49%	-17.54%	-6.95%
Average Drawdown Average peak-to-trough decline	-22.51%	-10.59%	-11.92%
Ulcer Index Depth and duration of drawdowns from previous peaks	9.42%	5.78%	+3.64%

Volatility

000660.KS vs. 226490.KS - Volatility Comparison

SK hynix Inc. (000660.KS) has a higher volatility of 33.53% compared to KODEX KOSPI ETF (226490.KS) at 19.94%. This indicates that 000660.KS's price experiences larger fluctuations and is considered to be riskier than 226490.KS based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	000660.KS	226490.KS	Difference
Volatility (1M) Calculated over the trailing 1-month period	33.53%	19.94%	+13.59%
Volatility (6M) Calculated over the trailing 6-month period	65.31%	41.08%	+24.23%
Volatility (1Y) Calculated over the trailing 1-year period	77.88%	44.06%	+33.82%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	50.69%	25.20%	+25.49%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	44.21%	21.46%	+22.75%

Dividends

000660.KS vs. 226490.KS - Dividend Comparison

000660.KS's dividend yield for the trailing twelve months is around 0.14%, less than 226490.KS's 0.61% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
000660.KS SK hynix Inc.	0.14%	0.37%	0.52%	0.85%	1.60%	1.18%	0.99%	1.06%	2.48%	1.31%	1.34%	1.63%
226490.KS KODEX KOSPI ETF	0.61%	1.30%	2.43%	1.83%	1.81%	1.65%	1.30%	2.09%	1.72%	1.28%	1.48%	0.00%

Frequently Asked Questions

Can I hold both 000660.KS and 226490.KS in my portfolio?

000660.KS and 226490.KS have a correlation of 0.84, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.