About Our Data Sources
Transparency matters. This article explains where Rallies gets its financial data, how often it updates, and what you should know about data quality and limitations.Our Data Philosophy
We believe in:- Professional-grade data — The same quality institutional investors use
- Transparency — You should know where information comes from
- Accuracy over speed — We verify data quality, not just delivery speed
- Clear limitations — We tell you what we don’t know
Data Categories and Sources
Stock Prices
What: Real-time and historical price data for stocks and ETFs Sources: We aggregate from major market data providers that connect directly to US exchanges (NYSE, NASDAQ, etc.) Update frequency:- Pro: Real-time during market hours
- Free: 15-minute delayed
Financial Statements
What: Income statements, balance sheets, and cash flow statements Sources:- SEC EDGAR filings (10-K, 10-Q, 8-K)
- Professional financial data providers
- Company investor relations disclosures
Analyst Ratings & Estimates
What: Buy/sell ratings, price targets, and earnings estimates Sources: Aggregated from major sell-side research providers Update frequency: As analysts publish (varies by coverage) Coverage: Varies by stock—large caps have more coverage than small capsInsider Transactions
What: Buying and selling by company executives and directors Sources: SEC Form 4 filings Update frequency: As filed (within 2 business days of transaction) Coverage: All US public companiesInstitutional Ownership
What: Which institutions own shares and how much Sources: SEC 13F filings Update frequency: Quarterly (filings are due 45 days after quarter end) Coverage: Institutions managing $100M+ must fileCompany Information
What: Business descriptions, sector classifications, employee counts, headquarters Sources: SEC filings, company websites, professional data providers Update frequency: As changes occur (typically verified quarterly) Coverage: All US public companiesNews
What: Headlines and articles about companies and markets Sources: Major financial news providers, press releases, SEC filings Update frequency: Continuous Coverage: Varies by company prominenceDividends
What: Dividend amounts, dates, yields, and history Sources: Company announcements, SEC filings, exchange data Update frequency: As declared and paid Coverage: All dividend-paying US stocksData Freshness
| Data Type | How Fresh |
|---|---|
| Stock prices (Pro) | Real-time |
| Stock prices (Free) | 15-minute delay |
| Financials | Most recent quarterly/annual report |
| Analyst ratings | As published (often same day) |
| Insider trades | 1-2 days after filing |
| Institutional holdings | Quarterly (with 45-day lag) |
| News | Continuous |
| Dividends | As announced |
Data Quality
What We Do to Ensure Accuracy
- Multiple source verification — Cross-check data across providers
- Automated validation — Flag anomalies and outliers
- Regular audits — Periodically verify against primary sources
- User feedback integration — Investigate reported discrepancies
Known Limitations
Despite our efforts, be aware:- Data can have errors — No data provider is perfect
- Timing gaps exist — There’s always some delay between events and data
- Coverage varies — Small caps and international stocks have less data
- Estimates are estimates — Analyst projections are opinions, not facts
- Historical data changes — Companies restate financials; we update accordingly
Free vs. Pro Data
| Data Feature | Free | Pro |
|---|---|---|
| Price quotes | 15-min delayed | Real-time |
| Historical prices | ✓ | ✓ |
| Financial statements | ✓ | ✓ |
| Analyst ratings | ✓ | ✓ |
| Insider transactions | ✓ | ✓ |
| News | ✓ | ✓ |
| Deep Research data | Limited | Full |
AI and Data
How the AI Uses Data
The AI Research Assistant pulls from our data sources to answer your questions. When you ask about a stock:- AI identifies what data is relevant
- Retrieves current information from our databases
- Synthesizes and explains it in natural language
AI Data Limitations
The AI’s knowledge is only as good as our data:- If data is delayed, AI answers reflect that delay
- If coverage is limited, AI will indicate that
- AI may occasionally misinterpret or miscalculate—always verify important decisions
Verifying Data
For important decisions, we recommend verifying with primary sources:SEC EDGAR
sec.gov/edgar Official source for all SEC filings—financials, insider trades, institutional holdingsCompany Investor Relations
Most public companies have an IR website with earnings releases, presentations, and filingsYour Brokerage
For real-time prices and your account data, your brokerage is the authoritative sourceReporting Data Issues
If you spot data that seems wrong:- Double-check the source — Verify against SEC or company IR
- Consider timing — Data might not have updated yet
- Report to us — Contact support with:
- The ticker symbol
- What data point seems wrong
- What you believe the correct value is
- Your source for the correct value
Data We Don’t Have
To set expectations, here’s what we don’t provide:- Pre-market/after-hours prices — Limited display of extended hours data
- Level 2 quotes — We show best bid/ask, not full order book
- Options data — Limited options coverage
- Futures/commodities — Not currently covered
- Forex — Not currently covered
- Crypto — Not currently covered
- Private company data — Only public companies
- Real-time news sentiment — News is shown but not scored in real-time
Third-Party Data Attribution
Our data comes from professional financial data providers. While we don’t publicly list all vendor names, our sources include:- Direct exchange feeds
- Major financial data aggregators
- SEC filing databases
- News wire services