OPEN-SOURCE SCRIPT
Updated Market Internal Strength (DJI/Nasdaq/S&P)

Market Health Dow, Nasdaq & S\&P 500 Breadth
Track the true internal health of the US market's three most important indices the Dow Jones Industrial Average (DJI), the Nasdaq 100 (NDX), and the S\&P 500 (SPX).
Price action alone can be deceiving. A rising index might be driven by only a handful of mega-cap stocks, masking underlying weakness. This indicator provides a crucial look "under the hood" to measure the market's true breadth.
It visualizes the percentage of stocks within each index that are trading above their key moving averages (5, 20, 50, 100, 150, and 200-day). This allows you to instantly gauge whether a market trend is broadly supported by the majority of its constituent stocks.
Key Features
* Covers 3 Major US Indices Seamlessly switch your analysis between the Dow Jones, Nasdaq 100, and S\&P 500.
* Complete Breadth Picture Six MA periods offer a full view, from short-term momentum (5D, 20D) to the long-term institutional trend (150D, 200D).
* Fully Customizable Toggle the visibility of any line and adjust overbought/oversold levels to fit your personal strategy.
How to Use
1. Extreme Readings (Overbought/Oversold)
* Above 80% Signals a very strong, potentially overbought market. Caution is advised as a pullback could be near.
* Below 20% Signals a deeply oversold market, often indicating capitulation and potential buying opportunities.
2. Divergence (Powerful Warning Signal)
* Bearish The index price makes a new high, but this indicator makes a lower high. This warns that the rally is not broad-based and may be losing steam.
* Bullish The index price makes a new low, but this indicator makes a higher low. This suggests internal strength is building and a bottom may be forming.
3. Trend Confirmation
When the long-term lines (150D, 200D) remain high (e.g., \> 50%), the primary market trend is healthy and confirmed.
Track the true internal health of the US market's three most important indices the Dow Jones Industrial Average (DJI), the Nasdaq 100 (NDX), and the S\&P 500 (SPX).
Price action alone can be deceiving. A rising index might be driven by only a handful of mega-cap stocks, masking underlying weakness. This indicator provides a crucial look "under the hood" to measure the market's true breadth.
It visualizes the percentage of stocks within each index that are trading above their key moving averages (5, 20, 50, 100, 150, and 200-day). This allows you to instantly gauge whether a market trend is broadly supported by the majority of its constituent stocks.
Key Features
* Covers 3 Major US Indices Seamlessly switch your analysis between the Dow Jones, Nasdaq 100, and S\&P 500.
* Complete Breadth Picture Six MA periods offer a full view, from short-term momentum (5D, 20D) to the long-term institutional trend (150D, 200D).
* Fully Customizable Toggle the visibility of any line and adjust overbought/oversold levels to fit your personal strategy.
How to Use
1. Extreme Readings (Overbought/Oversold)
* Above 80% Signals a very strong, potentially overbought market. Caution is advised as a pullback could be near.
* Below 20% Signals a deeply oversold market, often indicating capitulation and potential buying opportunities.
2. Divergence (Powerful Warning Signal)
* Bearish The index price makes a new high, but this indicator makes a lower high. This warns that the rally is not broad-based and may be losing steam.
* Bullish The index price makes a new low, but this indicator makes a higher low. This suggests internal strength is building and a bottom may be forming.
3. Trend Confirmation
When the long-term lines (150D, 200D) remain high (e.g., \> 50%), the primary market trend is healthy and confirmed.
Release Notes
// MIT License// Copyright (c) [2025] [waranyu.trkm]
Open-source script
In true TradingView spirit, the creator of this script has made it open-source, so that traders can review and verify its functionality. Kudos to the author! While you can use it for free, remember that republishing the code is subject to our House Rules.
Disclaimer
The information and publications are not meant to be, and do not constitute, financial, investment, trading, or other types of advice or recommendations supplied or endorsed by TradingView. Read more in the Terms of Use.
Open-source script
In true TradingView spirit, the creator of this script has made it open-source, so that traders can review and verify its functionality. Kudos to the author! While you can use it for free, remember that republishing the code is subject to our House Rules.
Disclaimer
The information and publications are not meant to be, and do not constitute, financial, investment, trading, or other types of advice or recommendations supplied or endorsed by TradingView. Read more in the Terms of Use.