LKNCY vs. IUSG

Last updated Jul 18, 2026

LKNCY (Luckin Coffee Inc.) is a stock, while IUSG (iShares Core S&P U.S. Growth ETF) is Large Cap Growth Equities fund tracking the S&P 900 Growth Index. Over the past 5 years, LKNCY returned 18.89%/yr vs 13.24%/yr for IUSG. At a 0.20 correlation, their price movements are largely independent.

Performance

LKNCY vs. IUSG - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Luckin Coffee Inc. (LKNCY) and iShares Core S&P U.S. Growth ETF (IUSG). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, LKNCY achieves a -8.66% return, which is significantly lower than IUSG's 9.67% return.

LKNCY

• 1D: -4.23%
• 1M: -0.29%
• 6M: -9.87%
• YTD: -8.66%
• 1Y: -17.25%
• 3Y*: 5.76%
• 5Y*: 18.89%
• 10Y*: —

IUSG

• 1D: -1.34%
• 1M: -0.95%
• 6M: 8.77%
• YTD: 9.67%
• 1Y: 20.39%
• 3Y*: 23.31%
• 5Y*: 13.24%
• 10Y*: 17.09%

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

LKNCY vs. IUSG - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
LKNCY Luckin Coffee Inc.	-8.66%	30.50%	-5.90%	23.89%	133.26%	11.06%	-78.40%	57.44%
IUSG iShares Core S&P U.S. Growth ETF	9.67%	21.23%	34.70%	29.28%	-28.81%	31.26%	32.65%	11.23%

Correlation

The correlation between LKNCY and IUSG is 0.13, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.13
Correlation (3Y) Calculated over the trailing 3-year period	0.18
Correlation (5Y) Calculated over the trailing 5-year period	0.20
Correlation (All Time) Calculated using the full available price history since May 17, 2019	0.20

Return for Risk

LKNCY vs. IUSG — Risk / Return Rank

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

LKNCY

LKNCY Risk / Return Rank: 26
LKNCY Sharpe Ratio Rank: 26
LKNCY Sortino Ratio Rank: 25
LKNCY Omega Ratio Rank: 26
LKNCY Calmar Ratio Rank: 27
LKNCY Martin Ratio Rank: 24

IUSG

IUSG Risk / Return Rank: 40
IUSG Sharpe Ratio Rank: 40
IUSG Sortino Ratio Rank: 39
IUSG Omega Ratio Rank: 38
IUSG Calmar Ratio Rank: 37
IUSG Martin Ratio Rank: 47

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.

LKNCY vs. IUSG - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Luckin Coffee Inc. (LKNCY) and iShares Core S&P U.S. Growth ETF (IUSG). 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.

	LKNCY	IUSG	Difference
Sharpe ratio: Return per unit of total volatility	-0.40	1.19	-1.59
Sortino ratio: Return per unit of downside risk	-0.36	1.69	-2.05
Omega ratio: Gain probability vs. loss probability	0.96	1.21	-0.25
Calmar ratio: Return relative to maximum drawdown	-0.49	1.57	-2.05
Martin ratio: Return relative to average drawdown	-0.94	6.12	-7.06

LKNCY vs. IUSG - Sharpe Ratio Comparison

The current LKNCY Sharpe Ratio is -0.40, which is lower than the IUSG Sharpe Ratio of 1.19. The chart below compares the historical Sharpe Ratios of LKNCY and IUSG, 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

LKNCY vs. IUSG - Drawdown Comparison

The maximum LKNCY drawdown since its inception was -97.24%, which is greater than IUSG's maximum drawdown of -63.41%. Use the drawdown chart below to compare losses from any high point for LKNCY and IUSG.

Drawdown Indicators

	LKNCY	IUSG	Difference
Max Drawdown Largest peak-to-trough decline	-97.24%	-63.41%	-33.83%
Max Drawdown (1Y) Largest decline over 1 year	-35.70%	-13.07%	-22.63%
Max Drawdown (3Y) Largest decline over 3 years	-51.89%	-22.28%	-29.61%
Max Drawdown (5Y) Largest decline over 5 years	-64.30%	-32.21%	-32.09%
Max Drawdown (10Y) Largest decline over 10 years	—	-32.35%	—
Current Drawdown Current decline from peak	-38.82%	-4.81%	-34.01%
Average Drawdown Average peak-to-trough decline	-53.94%	-21.36%	-32.58%
Ulcer Index Depth and duration of drawdowns from previous peaks	18.35%	3.34%	+15.01%

Volatility

LKNCY vs. IUSG - Volatility Comparison

Luckin Coffee Inc. (LKNCY) has a higher volatility of 17.08% compared to iShares Core S&P U.S. Growth ETF (IUSG) at 5.63%. This indicates that LKNCY's price experiences larger fluctuations and is considered to be riskier than IUSG based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	LKNCY	IUSG	Difference
Volatility (1M) Calculated over the trailing 1-month period	17.08%	5.63%	+11.45%
Volatility (6M) Calculated over the trailing 6-month period	32.50%	14.15%	+18.35%
Volatility (1Y) Calculated over the trailing 1-year period	43.48%	17.27%	+26.21%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	67.76%	21.13%	+46.63%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	106.97%	20.49%	+86.48%

Dividends

LKNCY vs. IUSG - Dividend Comparison

LKNCY has not paid dividends to shareholders, while IUSG's dividend yield for the trailing twelve months is around 0.50%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IUSG iShares Core S&P U.S. Growth ETF	0.50%	0.53%	0.59%	1.12%	1.07%	0.59%	0.93%	1.64%	1.32%	1.28%	1.48%	1.29%
LKNCY Luckin Coffee Inc.	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both LKNCY and IUSG in my portfolio?

LKNCY and IUSG have a correlation of 0.13, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, LKNCY or IUSG?

LKNCY has higher volatility (17.08%) compared to IUSG (5.63%). In terms of maximum drawdown, LKNCY dropped -97.24% vs IUSG's -63.41%.

Which has better risk-adjusted returns?

IUSG currently has the higher Sharpe Ratio (1.19 vs -0.40), 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.