Compare · September 2026
The Open Stock vs ChartingLens
ChartingLens shows up in ‘Finviz alternative 2026’ listicles as an AI + real-time screener. The Open Stock competes on a different promise: free core research, $5 ads-free, and AI that can run locally with Ollama. We do not claim to beat them on options flow or day-trader scanners.
Independent comparison of The Open Stock (theopenstock.com) and ChartingLens. Not affiliated with ChartingLens.
Quick verdict
Choose ChartingLens if
You want an AI day-trading scanner as a Finviz replacement.
Choose The Open Stock if
You are a long-term DIY investor who wants private AI optional.
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. ChartingLens free tier: Marketed as real-time screener + AI signals. Paid from About $10/mo premium in public comparisons.
| Feature | The Open Stock | ChartingLens |
|---|---|---|
| Audience | Long-term DIY | Active traders |
| Screener | Presets (value, growth, momentum, dividends) + custom filters | Trader scans + AI signals |
| Local Ollama | Yes on Local AI plan | Hosted AI features |
| Calendars / F&G | Yes | Not the headline |
| Paid from | $4.99/mo | ~$10/mo premium |
Where ChartingLens wins
- Listicle positioning vs Finviz (real-time + AI signals)
- Trader-oriented scans (gappers, RVOL)
- Chart-aware AI marketing
Where The Open Stock wins
- Calendars, Fear & Greed, ETF/crypto heatmaps as first-class tools
- True local AI (Ollama) rather than only hosted signals
- Open, GitHub-visible product at theopenstock.com
FAQ
- Is The Open Stock better than ChartingLens?
- For privacy-first and all-in-one DIY research, that is the intent. For real-time momentum scanners, ChartingLens is closer to Finviz Elite’s job.
Related comparisons
See every comparison on the compare hub. Official ChartingLens site: chartinglens.com.