Comparison · Updated 2026
Kasiel vs Zacks Investment Research
Zacks Rank — earnings-revision-driven stock ratings since 1978
TL;DR
Zacks has run the Zacks Rank since 1978, scoring stocks 1–5 based on analyst earnings-estimate revisions. It's a long-running, well-validated quantitative system focused on the 1–3 month horizon — and the back-tested track record is real. Kasiel is a different philosophy: instead of distilling a stock into a single rank, it produces a full multi-source AI research report with verdict, price targets, bull/bear cases, and a live public scoring on its own calls.
Side-by-side
| Feature | Zacks Investment Research | Kasiel |
|---|---|---|
| Primary product | Zacks Rank (1–5) + research | Structured AI verdict + targets |
| Methodology | Earnings-estimate revisions | Multi-source AI synthesis |
| Pricing | Premium $249/yr · Ultimate $2,995/yr | Credits $9–$200, no subscription |
| Time horizon | 1–3 months (per Zacks docs) | 30/60/90/180/365-day scoring |
| Crypto coverage | No | Top 30 + leveraged perps |
| Track record format | Academic backtest | Live public auto-scored verdicts |
| Best for | Quant rank screening | Decision-grade research per ticker |
Where Zacks Investment Research is strong
- +47-year operating history — longest-running quant rating system in retail
- +Zacks Rank methodology is publicly documented and academically tested
- +Premium ($249/yr) is reasonably priced for what it includes
- +Strong earnings calendar, ETF rankings, industry research
- +Established credibility and brand recognition with retail investors
Where Kasiel is stronger
- +Full structured AI research report, not a 1–5 rank
- +Multi-source synthesis — Zacks Rank is purely earnings-revision-driven
- +Public live track record auto-tweeted on every Kasiel call
- +Pay-as-you-go credits vs $249/yr ($2,995/yr for Ultimate)
- +Free Weekly Tournament + Monthly Gem reports
- +Crypto coverage (Zacks is equities + funds only)
- +Bull/bear cases, exit plans, dated catalysts in every analysis
Bottom line
Choose Zacks if you trust the 47-year-old earnings-revision methodology and want a single quantitative rank as your primary signal. Choose Kasiel if you want full structured research with multi-source synthesis and verifiable accuracy on every individual call.
Try Kasiel free
One free Lite analysis on signup, no card. Plus full access to the Weekly Tournament and Monthly Gem reports.
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