Erina.ai · Retail research, institutional depth

Markets, made personal.

Deep company research, unusual-options radar, AI-native trade construction, multi-leg strategy design, and watchlists that measure your alpha vs SPY — one calm workspace that thinks with you. Free to start. Real work, without the terminal.

No credit card. Free tier includes daily research on top names.

erina · AAPL research
HOLD PT $320 Confidence: Medium

Apple is a world-class quality compounder with a Piotroski F-score of 8/9, exceptional margins, and a relentless buyback engine, but at 32× forward P/E (77th-percentile of its own 5-year range) the stock prices in near-perfection…

Thesis tilt
3 bull 3 bear

Built by traders. · Data from Polygon, S&P, Anthropic. · No advice, no upsells — just the tools.

The product

Nine surfaces. One coherent workspace.

Erina bundles what used to require a Bloomberg terminal, a scanning subscription, and half a dozen browser tabs — into a single mobile-first app that grows from Free to Power as you do.

FREE

Research reports

Sonnet-synthesized, evidence-linked equity research on every US-listed stock — thesis, bull/bear, risks, catalysts. Read the daily library or generate on demand.

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SOLO

Radar

One page, dozens of setup lists — unusual options, dealer-gamma flips, momentum breakouts. Tickers that show up on multiple lists rise to the top.

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SOLO

Watchlist

Measure your alpha vs SPY on every list, every timeframe. Define any universe — sector, thesis, factor — and see whether your picks are actually beating the market.

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SOLO

Ask Erina

Natural-language chat grounded in the same data your research report uses. Ask 'what changed for AMD this week' and get a cited answer.

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PRO

Options Pulse

Live options-flow anomalies with OI-confirms-volume flags, IV rank, and dealer-γ context. See where the smart money is positioning.

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PRO

Trade Builder

From thesis to trade in one flow — structure suggester, strike solver, P&L grid, and reason panel. Save candidates, track them daily.

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PRO

Strategy Designer

Build multi-leg strategies leg-by-leg. Probability of profit, margin, structure classifier, and a live P&L heatmap over spot × IV × days.

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PRO

Portfolio

Track your book with live greeks per leg, beta-weighted delta, SPX-equivalent hedge units, and per-strategy P&L. Options-aware from the ground up.

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POWER

Strategy Lab & Scanner

Backtest a rule against 10 years of history, then scan for tickers matching it today. Save configurations, export results as PDF.

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How it fits together

Discover, decide, execute — grounded in the same data end-to-end.

  1. 01

    Discover

    Open Today for the macro pulse and Radar for the day's multi-hit setups. Or ask Erina "what looks interesting in semis this week."

  2. 02

    Decide

    Pull the Research report for a tearsheet-quality synthesis. Cross-check with Options Pulse for real-money flow. Read the fundamentals, technicals, and insider/institutional tabs on the ticker page.

  3. 03

    Execute

    Use Trade Builder for one-click trade construction, Strategy Designer for hand-built multi-leg structures, and Portfolio to track it live. Nothing leaves your broker — Erina is where you decide, not where you fill.

Start with the free tier. No card required.

Sign in with Google, look up any ticker, and browse the daily research library. Upgrade when you need Radar, Options Pulse, or Trade Builder.