Compare · September 2026
The Open Stock vs Zacks
Zacks is a ranking and stock-picking service (Zacks Rank #1). The Open Stock does not sell a proprietary rank. Use Zacks if you follow the rank; use The Open Stock if you want tools without a stock-tip brand.
Independent comparison of The Open Stock (theopenstock.com) and Zacks. Not affiliated with Zacks.
Quick verdict
Choose Zacks if
You already buy or trust Zacks Rank.
Choose The Open Stock if
You do not want a vendor rank in the middle of research.
Feature comparison
The Open Stock free tier: Charts, screener, heatmaps, calendars, financials, Fear & Greed — ads-supported. Paid from $4.99/mo ads-free; AI from $9.99/mo. Zacks free tier: Zacks Rank visible; best screens and research paywalled. Paid from Premier / Premium typically tens of $/mo.
| Feature | The Open Stock | Zacks |
|---|---|---|
| Proprietary rank | No | Zacks Rank |
| Screener | Presets (value, growth, momentum, dividends) + custom filters | Rank-aware screens |
| Charts / calendars | Yes | Available |
| Local AI | Optional Ollama (local), BYOK, or hosted AI | No |
| Price | Free core | Paid research tiers |
Where Zacks wins
- Famous Zacks Rank
- Style screens built around that rank
- Research service positioning
Where The Open Stock wins
- No rank subscription required to screen
- Heatmaps, calendars, Fear & Greed
- Local AI instead of a black-box rank
FAQ
- Does The Open Stock have a stock rank like Zacks?
- No proprietary 1–5 rank. Optional AI can offer a stance on a symbol; it is not a Zacks Rank substitute.
Related comparisons
See every comparison on the compare hub. Official Zacks site: www.zacks.com.