API-delivered trading signals
Overwhelmed by 30,000 indicators?
Start with 10 SentimenTrader indicators and add more when needed.
SentimenTrader maintains one of the industry’s deepest market-signal libraries.
Light Data API gives traders and developers a focused way to use SentimenTrader signals in their own workflow, without starting with a full data library.
Start focused, expand as needed
$300 per year for 10 indicators.
Add more for $30 per additional indicator per year.
Historical data plus ongoing updates
Sentiment, positioning, trend, and breadth indicators; Stock and ETF-level sentiment, trend, and volatility indicators
Support AI-agent workflows
Built for systematic workflows today, with structured data that can support automated and AI-assisted workflows over time.
For individual traders and lean teams
Ideal for systematic traders, developers, and advisors who want structured market-signal data without subscribing to the full platform.
How it works
Start the way you trade.
Some clients know exactly what they want. Others want a few strong ideas. Others need help choosing a focused starting set.
Pick your own indicators
You already know what you want.
Get a few recommendations
Tell us your use case and get a few strong options.
Get a guided starting set
Tell us how you trade and get a focused starting mix.
Need some help?
Choose what you’re trying to achieve. Here are a few examples to get started.
Start with a practical objective, then choose the indicators that fit your workflow.
FEATURED PROPRIETARY SIGNAL
Follow Smart Money
Start with one of SentimenTrader’s strongest proprietary signals to track whether informed participants are confirming the move.
Recommended indicators
Smart Money / Dumb Money Confidence
NAAIM Exposure Index
Smart Money Index (SMI)
MARKET SENTIMENT · MARKET BREADTH
Find Buyable Panic
Use signals designed to spot when a selloff may be stretched enough to reverse.
Recommended indicators
VIX
VIX Term Structure
NYSE Arms Index (TRIN)
Short-Term Combined Model
TREND-FOLLOWING · MARKET BREADTH
Confirm Trend Strength
Check whether a move has real support or is starting to weaken.
Recommended indicators
McClellan Summation Index
NYSE Up Volume Ratio
Aggregate Signal Model
MACROECONOMIC CONDITIONS
Spot Macro Risk Early
Monitor regime stress before it becomes obvious in price alone.
Recommended indicators
Stock/Bond Ratio
High Yield Bond A/D Line
CDX Index
MARKET SENTIMENT
Fade Crowded Trades
Identify setups that may be over-owned, over-feared, or over-loved.
Recommended indicators
Total Put/Call Ratio
AAII Bull Ratio
Short-Term Optix
TREND-FOLLOWING · PRICE PATTERNS
Trade Pullbacks Better
Focus on names pulling back within stronger setups, not simply breaking down.
Recommended indicators
Aggregate Signal Model
Asset-level Optix
Asset-level Trend and RelTrend Score
Individual Stock and ETF
Track Sentiment, Trend, and Volatility by Ticker Symbol.
Light Data API is not limited to market-level indicators. You can also access stock, ETF, and other asset signals by name, including Optix sentiment, Trend Score, and Historical Volatility. Use them to rank symbols, monitor changes, and track charts over time inside your own workflow.
EXAMPLE:
NVDA: Optix Sentiment, Trend Score, and Historical Volatility
A simple starting point for a stock trader is to combine sentiment, trend, and volatility on the symbols they already follow.
Optix Sentiment
See when NVDA sentiment is getting too crowded or cooling enough to look more attractive.
Trend Score
See whether NVDA’s move still has strength behind it or is starting to fade.
Historical Volatility
See whether NVDA risk is running hotter than usual so you can size positions more intelligently.
Automation-ready
Built for systematic workflows today, flexible for AI-agent workflows over time.
Use the same structured signal data in screens, models, dashboards, rules-based systems, and more advanced automated workflows.
For teams preparing for AI-agent use cases, Light Data API provides a practical starting layer of historical and ongoing indicator data.
Pricing
10 indicators for $300/year
Add more at $30 per indicator per year.
Historical data plus ongoing updates
Sentiment, positioning, trend, and market signals
Individual Stock and ETF - sentiment, trend and volatility signals
Structured data for automation and future AI-agent workflows
Start focused. Add more as needed.
READY FOR LIGHT DATA API AND BUILD YOUR INDICATOR SET?
Pick your own indicators
You already know what you want.
Get a few recommendations
Tell us your use case and get a few strong options.
Get a guided starting set
Tell us how you trade and get a focused starting mix.

Pick Your Own Indicators

Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
Before you proceed, please note:
Subscription fee: The Light Data API is billed separately from your current plan.
Access: The Light Data API does not include access to the SentimenTrader platform (reports, indicators, or tools). It is designed for data access via API only.
Data delivery: Data is delivered via REST API in JSON format. Spreadsheet delivery is available for non-coding workflows upon request.
Next steps:
We'll review your submission and follow up shortly to confirm your indicator selection.
Once your indicators are finalized, we'll send the API agreement for your review and signature.
After the agreement is executed, we will activate your Light Data API subscription and process the $300/year fee.
Once your subscription is active, you'll receive full historical data access, along with API documentation, including setup instructions.
1-on-1 technical support is available for API setup and integration questions.

Get Recommendations

Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
Before you proceed, please note:
Subscription fee: The Light Data API is billed separately from your current plan.
Access: The Light Data API does not include access to the SentimenTrader platform (reports, indicators, or tools). It is designed for data access via API only.
Data delivery: Data is delivered via REST API in JSON format. Spreadsheet delivery is available for non-coding workflows upon request.
Next steps:
We will recommend a focused set of indicators based on your use case.
Once your indicators are finalized, we'll send the API agreement for your review and signature.
After the agreement is executed, we will activate your Light Data API subscription and process the $300/year fee.
Once your subscription is active, you'll receive full historical data access, along with API documentation, including setup instructions.
1-on-1 technical support is available for API setup and integration questions.

Start with a guided set

Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
Before you proceed, please note:
Subscription fee: The Light Data API is billed separately from your current plan.
Access: The Light Data API does not include access to the SentimenTrader platform (reports, indicators, or tools). It is designed for data access via API only.
Data delivery: Data is delivered via REST API in JSON format. Spreadsheet delivery is available for non-coding workflows upon request.
Next steps:
We will build a guided set of ~10 indicators tailored to your approach.
Once your indicators are finalized, we'll send the API agreement for your review and signature.
After the agreement is executed, we will activate your Light Data API subscription and process the $300/year fee.
Once your subscription is active, you'll receive full historical data access, along with API documentation, including setup instructions.
1-on-1 technical support is available for API setup and integration questions.