BLLN (BillionToOne) 14-Day RSI: 39.31 (As of Aug. 21, 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.

BLLN BillionToOne Inc BLLN
15 GF Score
Price $95.05
! 4 Warning Signs
View Full Analysis

What is BillionToOne 14-Day RSI?

BillionToOne BLLN -0.25% 15 14-Day RSI is 39.31 as of Aug. 21, 2026. GuruFocus rates BLLN with a GF Score™ of 15/100. The stock has 4 warning signs investors should review. Among 217 Medical Diagnostics & Research companies, BillionToOne ranks better than 87.1% 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.

As of today (2026-08-21), BillionToOne's 14-Day RSI is 39.31.

The industry rank for BillionToOne's 14-Day RSI or its related term are showing as below:

BLLN's 14-Day RSI is ranked better than
87.1% of 217 companies
in the Medical Diagnostics & Research industry
Industry Median: 53.06 vs BLLN: 39.31

BillionToOne  (NAS:BLLN) 14-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.


BillionToOne 14-Day RSI Related Terms


BLLN vs TWST, SHC, RDNT: 14-Day RSI Comparison

For the Diagnostics & Research subindustry, BillionToOne's 14-Day RSI, along with its competitors' market caps and 14-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.


BillionToOne 14-Day RSI vs Medical Diagnostics & Research Industry

For the Medical Diagnostics & Research industry and Healthcare sector, BillionToOne's 14-Day RSI distribution charts can be found below:

* The bar in red indicates where BillionToOne's 14-Day RSI falls into.


BLLN
15GF Score
BillionToOne Inc BLLN
14-Day RSI is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

BillionToOne  (NAS:BLLN) 14-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 14-Day RSI →
What does a 14-Day RSI of 39.31 mean?
BillionToOne (BLLN) has a 14-Day RSI of 39.31 as of Aug. 21, 2026. Relative Strength Index (RSI) is a momentum oscillator that measures the speed and change of price movements. View historical data on BillionToOne and its competitors. According to the industry distribution chart, BillionToOne ranks #28 out of 217 companies in the Medical Diagnostics & Research industry, placing it in the top 12.9%.
Is BillionToOne's 14-Day RSI too high?
BillionToOne's current 14-Day RSI is 39.31. The Medical Diagnostics & Research industry median 14-Day RSI is 53.06. BillionToOne's value of 39.31 is 25.9% below this industry median. Based on the distribution chart, BillionToOne ranks #28 out of 217 companies in the Medical Diagnostics & Research industry, which is in the top quartile — a strong position relative to peers. Overall, BillionToOne has a GF Score™ of 15/100, reflecting its overall financial health beyond just this single metric.
How does BillionToOne's 14-Day RSI compare to TWST and SHC?
According to the Medical Diagnostics & Research industry distribution chart, BillionToOne ranks #28 out of 217 companies for 14-Day RSI. This places BillionToOne in the top 13% of its industry — outperforming the majority of peers. The industry median 14-Day RSI is 53.06. BillionToOne's value of 39.31 is 25.9% 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 14-Day RSI for a Medical Diagnostics & Research company?
The median 14-Day RSI among Medical Diagnostics & Research companies is 53.06, based on 217 companies in the industry. Companies in the top quartile (top 25%) have a 14-Day RSI significantly above this median, while those in the bottom quartile fall well below. However, 14-Day RSI should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. BillionToOne's current 14-Day RSI of 39.31 is 25.9% 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 14-Day RSI mean?
A high 14-Day RSI can signal that a stock is expensive relative to its fundamentals. Relative Strength Index (RSI) is a momentum oscillator that measures the speed and change of price movements. View historical data on BillionToOne and its competitors. For the Medical Diagnostics & Research industry, the median 14-Day RSI is 53.06 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. BillionToOne's current 14-Day RSI is 39.31. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is BillionToOne stock overvalued right now?
BillionToOne (BLLN) has a current 14-Day RSI of 39.31. The current 14-Day RSI is 39.31 and 25.9% below the Medical Diagnostics & Research industry median of 53.06. BillionToOne's overall GF Score™ is 15/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is 14-Day RSI calculated?
14-Day RSI is calculated from a company's financial statements. For BillionToOne (BLLN), the current 14-Day RSI is 39.31 as of Aug. 21, 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.

BillionToOne Business Description

Address 1035 O’Brien Drive, Menlo Park, CA, USA, 94025
BillionToOne Inc is a molecular diagnostics company. It offers a portfolio of ultrasensitive tests covering prenatal genetic testing, cancer therapy selection, and response monitoring, which are based on its Quantitative Counting Templates (QCT) molecular counting platform. The company's product portfolio comprises UNITY, a portfolio of prenatal testing products that can conduct fetal risk analysis without requiring a paternal sample; Northstar Select, a ultrasensitive liquid biopsy test that provides insights into appropriate therapies for stage III or IV cancer patients; and Northstar Response, a tissue-free, pan-cancer, liquid biopsy test that measures several genomic loci uniquely methylated in cancer to provide insight into dynamic changes in therapy response.
15GF Score

Get the complete analysis for BLLN

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

$95.05
Price