Data Dictionary
A data dictionary explains what every variable name and value in a dataset actually means. This section provides formal definitions, allowed value ranges, and descriptions for every field returned by the AltIndex API, so you can integrate with confidence and interpret results correctly.
How to Read the Dictionary Tables
Each dataset page contains tables with the following columns:
| Column | Purpose |
|---|---|
| Variable Name | The exact field name as it appears in the API JSON response |
| Type | Data type (string, integer, float, date, object, array) |
| Allowed Values | Range, enumeration, or format constraint for valid values |
| Definition | A concise, formal definition of the variable |
| Description | Extended explanation with platform-specific notes, edge cases, and context |
Null handling: Social metric fields are nullable. When a metric is not available for a given platform or date, the field is omitted from the response rather than returned as null. See the REST API Social reference for the platform-metric availability matrix.
Datasets
Entities
Company and entity metadata returned by the GET /api/entities and GET /api/entities/{ticker} endpoints. Includes ticker symbols, company names, industry classifications, and the social handle mappings that power every social data endpoint.
Social Followers
Daily follower and subscriber counts across 8 social platforms: Instagram, X (Twitter), Facebook, Threads, TikTok, Pinterest, YouTube, and Reddit. Returned by the GET /api/social/{platform}/{ticker} endpoints.
Mentions & Sentiment
Mention counts and sentiment scores derived from public discussion data on Reddit, Stocktwits, X (Twitter), and 4chan /biz/. Returned by the GET /api/social/{platform}/{ticker} endpoints.
Data Coverage
Social Followers
Daily follower / subscriber counts for company-linked social accounts across 9 platforms.
| Platform | Metric |
|---|---|
| Follower count | |
| Follower count | |
| X (Twitter) | Follower count |
| Threads | Follower count |
| TikTok | Follower count |
| Follower count | |
| YouTube | Follower count |
| Follower count | |
| Stocktwits | Follower count |
Social Mentions & Sentiment
Mention counts and sentiment scores derived from public discussion data.
| Source | Metrics |
|---|---|
| Mention counts + sentiment (posts & comments across investing subreddits) | |
| Stocktwits | Daily mention counts + sentiment |
| X (Twitter) | Cashtag mention counts + sentiment |
| 4chan /biz/ | Daily mention counts |
Additional Datasets
| Dataset | Description |
|---|---|
| Job Postings | Open job counts from LinkedIn, Glassdoor, and Indeed -- 371,543+ postings tracked by department and location |
| Employee Headcount | Daily employee count snapshots from LinkedIn and TipRanks -- track workforce expansion and contraction |
| Employee Reviews | Glassdoor and Indeed ratings and review trends |
| Web Traffic | Monthly website visitor estimates |
| App Intelligence | iOS and Android download trends plus 797,821+ user reviews |
| News Coverage | 460,040+ articles with AI-powered categorization |
| Insider Transactions | SEC Form 4 filings tracking insider buying and selling |
| Congressional Trading | Stock trades by US Congress members |
Coverage Summary
| Metric | Value |
|---|---|
| Entities covered | ~2,527 (stocks, ETFs, and crypto) |
| Historical depth | 7+ years (since Oct 2018) |
| Timeline records | 5.6M+ |
| Social platforms | 9 |
| Reddit mentions tracked | 432,054+ |
Company entities and their social handle mappings are available through the GET /api/entities and GET /api/entities/{ticker} endpoints. See Knowledge Graph for details on how we map tickers to social accounts.
Related Pages
- Knowledge Graph: How tickers are mapped to social accounts and platform identifiers
- Collection & Freshness: Update frequency and historical depth per metric