Quant Data vs Theta Data
By Jay Rocco, Chief Editor, FullStack Alpha. Updated . Prices checked on each vendor's own site.
Quick answer
Quant Data does everything Theta Data does plus news and sentiment plus alerts. Pick Theta Data only if price matters most.
Key differences
- Cheaper paid plan: Theta Data ($62.50/mo vs $40/mo)
- Free plan: Theta Data (Theta Data has one, Quant Data does not)
- Broader feature set: Quant Data (5 vs 3 core capabilities)
- Mobile app: Quant Data (Only Quant Data has it)
Pick Quant Data if
- You trade on news and sentiment
- You rely on price and signal alerts
- Options order flow
- Dealer gamma positioning
Pick Theta Data if
- Options data for developers
- Backtesters needing tick data
- Real-time greeks via API
Side by side
| Feature | Quant Data | Theta Data |
|---|---|---|
| Starting price | From $62.50/mo | Free, paid from $40/mo |
| Free plan | No | Yes |
| Alerts | Yes | No |
| News and sentiment | Yes | No |
| Options analytics | Yes | Yes |
| Education | No | Yes |
| API access | Yes | Yes |
| MCP / AI connector | Yes | Yes |
| Mobile app | Yes | No |
Plans
Quant Data
- Monthly: $74.99/mo
- Annual: $62.50/mo billed yearly
Theta Data
- Options Value: $40/mo
- Options Standard: $80/mo
- Options Pro: $160/mo
Questions people ask
What is the main difference between Quant Data and Theta Data?
Quant Data does everything Theta Data does plus news and sentiment plus alerts. Pick Theta Data only if price matters most.
Which is cheaper, Quant Data or Theta Data?
Theta Data has the cheaper paid plan: $62.50/mo for Quant Data vs $40/mo for Theta Data (monthly equivalent, checked Oct 2026).
Do Quant Data or Theta Data have a free plan?
Only Theta Data has a free plan.
Which is better for beginners?
Both target advanced users. Start with whichever has the free plan or trial so you can test before you pay.
Which has better AI features?
Quant Data goes deeper on AI with 2 AI features (news and sentiment, MCP / AI connector).
Can I connect Quant Data or Theta Data to ChatGPT or Claude?
Quant Data and Theta Data offer an MCP server or official AI connector.
Is Quant Data or Theta Data better for active trading?
Quant Data has more of the active-trading toolkit: alerts, scanning, signals and charts.
Should I use both Quant Data and Theta Data?
It can make sense. They overlap on only 3 core features, so one can fill gaps the other leaves.