Luckin Coffee (STU:LC0A) 9-Day RSI: 60.38 (As of Jul. 27, 2026)

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

STU:LC0A Luckin Coffee Inc STU:LC0A
77 GF Score
Price €28.60
GF Value €43.34
Valuation Significantly Undervalued
! 1 Warning Sign
View Full Analysis

What is Luckin Coffee 9-Day RSI?

Luckin Coffee STU:LC0A +1.78% 77 9-Day RSI is 60.38 as of Jul. 27, 2026. GuruFocus rates STU:LC0A with a GF Score™ of 77/100 and a GF Value™ of €43.34 (Significantly Undervalued). The stock has 1 warning sign investors should review. Among 370 Restaurants companies, Luckin Coffee ranks worse than 73.78% on this metric.

The Relative Strength Index (RSI) is a momentum oscillator that measures the speed and change of price movements. The RSI is most typically used on a 14-day period, measured on a scale from 0 to 100. Traditionally, an asset is considered overbought or overvalued when the RSI is above 70 and oversold or undervalued when it is below 30. A shorter period RSI is more reactive to recent price changes, so it can show early signs of reversals. 9-Day RSI is sometimes used together with 14-Day RSI in a two period divergence strategy.

As of today (2026-07-27), Luckin Coffee's 9-Day RSI is 60.38.

The industry rank for Luckin Coffee's 9-Day RSI or its related term are showing as below:

STU:LC0A's 9-Day RSI is ranked worse than
73.78% of 370 companies
in the Restaurants industry
Industry Median: 48.145 vs STU:LC0A: 60.38

Luckin Coffee  (STU:LC0A) 9-Day RSI Explanation

The Relative Strength Index (RSI), developed by J. Welles Wilder in his book “New Concepts in Technical Trading Systems.”, is a momentum oscillator that measures the speed and change of price movements. The RSI is most typically used on a 14-day period, measured on a scale from 0 to 100.

Traditionally, an asset is considered overbought or overvalued when the RSI is above 70 and oversold or undervalued when it is below 30. A RSI surpasses the 30 level indicates a bullish sign, when it slides below 70 level, it’s a bearish sign. This level can be adjusted depending on the security’s pattern and the market’s underlying trend. In an uptrend or bullish market, the RSI might range within a higher interval, investors could set the support level higher. If a downtrend or bearish market occurs, investors may need to lower the resistance level.

RSI can also be used in trading techniques to indicate the trading signal, such as Divergences and Swing Rejections. A shorter period RSI is more reactive to recent price changes, so it can show early signs of reversals. 9-Day RSI is sometimes used together with 14-Day RSI in a two period divergence strategy.


Luckin Coffee 9-Day RSI Related Terms


STU:LC0A vs BROS, EAT, DPZ: 9-Day RSI Comparison

For the Restaurants subindustry, Luckin Coffee's 9-Day RSI, along with its competitors' market caps and 9-Day RSI data, can be viewed below:

* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.


Luckin Coffee 9-Day RSI vs Restaurants Industry

For the Restaurants industry and Consumer Cyclical sector, Luckin Coffee's 9-Day RSI distribution charts can be found below:

* The bar in red indicates where Luckin Coffee's 9-Day RSI falls into.


STU:LC0A
77GF Score
Luckin Coffee Inc STU:LC0A
9-Day RSI is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Luckin Coffee  (STU:LC0A) 9-Day RSI Calculation

The formula for calculating RSI is:

RSI=100[ 100 / ( 1 + Average Gain / Average Loss )]

* Note that the formula uses a positive value for the average loss.

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Frequently Asked Questions Learn more about 9-Day RSI →
What does a 9-Day RSI of 60.38 mean?
Luckin Coffee (STU:LC0A) has a 9-Day RSI of 60.38 as of Jul. 27, 2026. According to the industry distribution chart, Luckin Coffee ranks #273 out of 370 companies in the Restaurants industry, placing it in the top 73.8%.
Is Luckin Coffee's 9-Day RSI too high?
Luckin Coffee's current 9-Day RSI is 60.38. The Restaurants industry median 9-Day RSI is 48.15. Luckin Coffee's value of 60.38 is 25.4% above this industry median. Based on the distribution chart, Luckin Coffee ranks #273 out of 370 companies in the Restaurants industry, which is below the industry midpoint. Overall, Luckin Coffee has a GF Score™ of 77/100 and is considered Significantly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Luckin Coffee's 9-Day RSI compare to BROS and EAT?
According to the Restaurants industry distribution chart, Luckin Coffee ranks #273 out of 370 companies for 9-Day RSI. This places Luckin Coffee in the lower half of its industry. The industry median 9-Day RSI is 48.15. Luckin Coffee's value of 60.38 is 25.4% above this benchmark. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good 9-Day RSI for a Restaurants company?
The median 9-Day RSI among Restaurants companies is 48.15, based on 370 companies in the industry. Companies in the top quartile (top 25%) have a 9-Day RSI significantly above this median, while those in the bottom quartile fall well below. However, 9-Day RSI should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Luckin Coffee's current 9-Day RSI of 60.38 is 25.4% above the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high 9-Day RSI mean?
A high 9-Day RSI can signal that a stock is expensive relative to its fundamentals. For the Restaurants industry, the median 9-Day RSI is 48.15 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Luckin Coffee's current 9-Day RSI is 60.38. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Luckin Coffee stock overvalued right now?
Based on GuruFocus' analysis, Luckin Coffee (STU:LC0A) is currently considered Significantly Undervalued. The stock's GF Value™ is €43.34, compared to a current price of €28.60 — trading 34% below its estimated fair value. The current 9-Day RSI is 60.38 and 25.4% above the Restaurants industry median of 48.15. Luckin Coffee's overall GF Score™ is 77/100 with 1 warning sign to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is 9-Day RSI calculated?
9-Day RSI is calculated from a company's financial statements. For Luckin Coffee (STU:LC0A), the current 9-Day RSI is 60.38 as of Jul. 27, 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is Luckin Coffee (STU:LC0A) Overvalued in 2026?

Based on GuruFocus' analysis, Luckin Coffee stock appears to be undervalued. The current stock price of €28.60 is trading 34% below its estimated GF Value™ of €43.34. GuruFocus considers Luckin Coffee to be Significantly Undervalued.

Key valuation signals for STU:LC0A:

  • 9-Day RSI: 60.38
  • GF Value™: €43.34 vs. price of €28.60 (34% below fair value)
  • GF Score™: 77/100 with 1 warning sign
  • Industry Position: 25.4% above the Restaurants median (#273 of 370)

No single metric tells the full story. See the STU:LC0A stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Luckin Coffee Business Description

Other Exchanges LKNCY:USA0A6U:UK
Address 1-3 Taibei Road, 28th Floor, Building T3, Haixi Jingu Plaza, Siming District, Fujian, Xiamen, CHN, 361008
Luckin Coffee Inc operates a coffee network in China, providing retail services for freshly brewed drinks and pre-made food and beverage items. Its technology-driven model is built on mobile apps and a store network, offering a cashier-less purchase experience with features such as store selection, advance ordering, multiple payment options, and real-time order tracking. The company mainly operates self-operated pick-up stores in high-demand locations, enabling rapid and cost-efficient expansion, and also uses partnership and franchise models. It offers multiple products, including coffee, tea drinks, snacks, and light meals, with recipes tailored to local preferences, supported by sourcing and proprietary technology for operations and supply chain management.
77GF Score

Get the complete analysis for STU:LC0A

9-Day RSI is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

€28.60
Price
€43.34
GF Value