Song Da (HSTC:SJG) 9-Day RSI: 24.16 (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.

HSTC:SJG Song Da Corp HSTC:SJG
76 GF Score
Price ₫18,600.00
GF Value ₫20,323.45
Valuation Fairly Valued
! 3 Warning Signs
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What is Song Da 9-Day RSI?

Song Da HSTC:SJG 76 9-Day RSI is 24.16 as of Jul. 27, 2026. GuruFocus rates HSTC:SJG with a GF Score™ of 76/100 and a GF Value™ of ₫20,323.45 (Fairly Valued). The stock has 3 warning signs investors should review. Among 626 Conglomerates companies, Song Da ranks better than 91.53% 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), Song Da's 9-Day RSI is 24.16.

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

HSTC:SJG's 9-Day RSI is ranked better than
91.53% of 626 companies
in the Conglomerates industry
Industry Median: 47.78 vs HSTC:SJG: 24.16

Song Da  (HSTC:SJG) 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.


Song Da 9-Day RSI Related Terms


HSTC:SJG vs MMM, HON: 9-Day RSI Comparison

For the Conglomerates subindustry, Song Da'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.


Song Da 9-Day RSI vs Conglomerates Industry

For the Conglomerates industry and Industrials sector, Song Da's 9-Day RSI distribution charts can be found below:

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


HSTC:SJG
76GF Score
Song Da Corp HSTC:SJG
9-Day RSI is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Song Da  (HSTC:SJG) 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 24.16 mean?
Song Da (HSTC:SJG) has a 9-Day RSI of 24.16 as of Jul. 27, 2026. According to the industry distribution chart, Song Da ranks #53 out of 626 companies in the Conglomerates industry, placing it in the top 8.5%.
Is Song Da's 9-Day RSI too high?
Song Da's current 9-Day RSI is 24.16. The Conglomerates industry median 9-Day RSI is 47.78. Song Da's value of 24.16 is 49.4% below this industry median. Based on the distribution chart, Song Da ranks #53 out of 626 companies in the Conglomerates industry, which is in the top quartile — a strong position relative to peers. Overall, Song Da has a GF Score™ of 76/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Song Da's 9-Day RSI compare to MMM and HON?
According to the Conglomerates industry distribution chart, Song Da ranks #53 out of 626 companies for 9-Day RSI. This places Song Da in the top 9% of its industry — outperforming the majority of peers. The industry median 9-Day RSI is 47.78. Song Da's value of 24.16 is 49.4% below 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 Conglomerates company?
The median 9-Day RSI among Conglomerates companies is 47.78, based on 626 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. Song Da's current 9-Day RSI of 24.16 is 49.4% below 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 Conglomerates industry, the median 9-Day RSI is 47.78 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Song Da's current 9-Day RSI is 24.16. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Song Da stock overvalued right now?
Based on GuruFocus' analysis, Song Da (HSTC:SJG) is currently considered Fairly Valued. The stock's GF Value™ is ₫20,323.45, compared to a current price of ₫18,600.00 — trading 8.5% below its estimated fair value. The current 9-Day RSI is 24.16 and 49.4% below the Conglomerates industry median of 47.78. Song Da's overall GF Score™ is 76/100 with 3 warning signs 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 Song Da (HSTC:SJG), the current 9-Day RSI is 24.16 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 Song Da (HSTC:SJG) Overvalued in 2026?

Based on GuruFocus' analysis, Song Da stock appears to be undervalued. The current stock price of ₫18,600.00 is trading 8.5% below its estimated GF Value™ of ₫20,323.45. GuruFocus considers Song Da to be Fairly Valued.

Key valuation signals for HSTC:SJG:

  • 9-Day RSI: 24.16
  • GF Value™: ₫20,323.45 vs. price of ₫18,600.00 (8.5% below fair value)
  • GF Score™: 76/100 with 3 warning signs
  • Industry Position: 49.4% below the Conglomerates median (#53 of 626)

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


Song Da Business Description

Address No. 493 Nguyen Trai street, G10 building, Thanh Xuan Nam ward, Thanh Nam district, Hanoi, VNM
Song Da Corp is engaged in business include: production and trading of electricity, construction, installation and trading of real estate. It also includes activities such as General contractor for construction (EPC general contractor) and construction and installation of traffic, industrial, civil, electricity, irrigation, complex underground works; Construction and foundation treatment of works; Construction of houses of all kinds; Trading in commercial electricity; Manufacturing and trading in equipment, Construction materials; Manufacture and install industrial equipment and machinery; Investment, development and business in urban areas, industrial parks and economic zones; Renting office. The company's segments include: Industrial production Construction installation and Others.
76GF Score

Get the complete analysis for HSTC:SJG

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

₫18,600.00
Price
₫20,323.45
GF Value