Access to Model Portfolios in Stock Doctor depends on your membership tier. From 9 June 2026, Stock Doctor memberships are structured across three tiers: Foundation, Core, and Signature. Each offering different levels of access to Quant Model Portfolios and AI Model Portfolios.
Model Portfolio access by tier
| Membership tier | Quant Model Portfolios | AI Model Portfolios |
|---|---|---|
| Stock Doctor Foundation | 2 | Not included |
| Stock Doctor Core | 4 | 2 |
| Stock Doctor Signature | 4 | 4 |
What is included in each tier
Stock Doctor Foundation
Foundation members have access to 2 Quant Model Portfolios. AI Model Portfolios are not included in this tier.
Stock Doctor Core
Core members have access to all 4 Quant Model Portfolios and 2 AI Model Portfolios in this tier.
Stock Doctor Signature
Signature members have access to all 4 Quant Model Portfolios and all 4 AI Model Portfolios — the full suite of model portfolios available in Stock Doctor.
How to upgrade
If you would like to upgrade your membership to access additional Model Portfolios, please contact our Member Services team. They can help you find the right tier for your needs.