Subscriptions
Each endpoint requires a minimum ThetaData subscription tier on the matching asset class. The tables below map every endpoint to its tier; the same requirement appears as a badge on each reference page.
FreeValueStandardPro
available on every tierFreeValueStandardPro
requires Standard or ProFor pricing, see thetadata.net.
Stock Endpoints
| Endpoint | Free | Value | Standard | Pro |
|---|---|---|---|---|
| List | ||||
| Symbols | ✓ | ✓ | ✓ | ✓ |
| Dates | ✓ | ✓ | ✓ | ✓ |
| Snapshot | ||||
| OHLC | ✓ | ✓ | ✓ | |
| Trade | ✓ | ✓ | ||
| Quote | ✓ | ✓ | ✓ | |
| Market Value | ✓ | ✓ | ||
| History | ||||
| EOD | ✓ | ✓ | ✓ | ✓ |
| OHLC | ✓ | ✓ | ✓ | |
| Trade | ✓ | ✓ | ||
| Quote | ✓ | ✓ | ✓ | |
| Trade Quote | ✓ | ✓ | ||
| At-Time | ||||
| Trade | ✓ | ✓ | ||
| Quote | ✓ | ✓ | ✓ | |
| History | ||||
| OHLC Range | ✓ | ✓ | ✓ |
Option Endpoints
| Endpoint | Free | Value | Standard | Pro |
|---|---|---|---|---|
| List | ||||
| Symbols | ✓ | ✓ | ✓ | ✓ |
| Dates | ✓ | ✓ | ✓ | ✓ |
| Expirations | ✓ | ✓ | ✓ | ✓ |
| Strikes | ✓ | ✓ | ✓ | ✓ |
| Contracts | ✓ | ✓ | ✓ | |
| Snapshot | ||||
| OHLC | ✓ | ✓ | ✓ | |
| Trade | ✓ | ✓ | ||
| Quote | ✓ | ✓ | ✓ | |
| Open Interest | ✓ | ✓ | ✓ | |
| Market Value | ✓ | ✓ | ||
| Implied Volatility | ✓ | ✓ | ||
| All Greeks | ✓ | |||
| First-Order Greeks | ✓ | ✓ | ||
| Second-Order Greeks | ✓ | |||
| Third-Order Greeks | ✓ | |||
| History | ||||
| EOD | ✓ | ✓ | ✓ | ✓ |
| OHLC | ✓ | ✓ | ✓ | |
| Trade | ✓ | ✓ | ||
| Quote | ✓ | ✓ | ✓ | |
| Trade Quote | ✓ | ✓ | ||
| Open Interest | ✓ | ✓ | ✓ | |
| EOD Greeks | ✓ | ✓ | ||
| All Greeks | ✓ | |||
| All Trade Greeks | ✓ | |||
| First-Order Greeks | ✓ | ✓ | ||
| First-Order Trade Greeks | ✓ | |||
| Second-Order Greeks | ✓ | |||
| Second-Order Trade Greeks | ✓ | |||
| Third-Order Greeks | ✓ | |||
| Third-Order Trade Greeks | ✓ | |||
| Implied Volatility | ✓ | ✓ | ||
| Trade Implied Volatility | ✓ | |||
| At-Time | ||||
| Trade | ✓ | ✓ | ||
| Quote | ✓ | ✓ | ✓ |
Index Endpoints
| Endpoint | Free | Value | Standard | Pro |
|---|---|---|---|---|
| List | ||||
| Symbols | ✓ | ✓ | ✓ | ✓ |
| Dates | ✓ | ✓ | ✓ | ✓ |
| Snapshot | ||||
| OHLC | ✓ | ✓ | ||
| Price | ✓ | ✓ | ||
| Market Value | ✓ | ✓ | ||
| History | ||||
| EOD | ✓ | ✓ | ✓ | ✓ |
| OHLC | ✓ | ✓ | ||
| Price | ✓ | ✓ | ✓ | |
| At-Time | ||||
| Price | ✓ | ✓ | ✓ |
Calendar Endpoints
| Endpoint | Free | Value | Standard | Pro |
|---|---|---|---|---|
| Open Today | ✓ | ✓ | ✓ | ✓ |
| On Date | ✓ | ✓ | ✓ | |
| Year | ✓ | ✓ | ✓ |
Interest Rate Endpoints
| Endpoint | Free | Value | Standard | Pro |
|---|---|---|---|---|
| EOD | ✓ | ✓ | ✓ | ✓ |
Streaming
Real-time streaming requires a Standard subscription or higher on the matching asset class. Per-contract quote, trade, and open-interest streams are available on Standard and Pro; full-stream subscriptions follow the same requirement, with contract limits depending on tier.
TIP
For current tier definitions, see the vendor's Subscriptions article.