Stock and ETF portfolio intelligence

Invest with better signals.

AlphaBrain turns news, prediction-market odds, financial data, and your portfolio context into clear next steps for stocks and ETFs.

News-aware
Probability-aware
Portfolio-aware
Free AI portfolio scan

Drop your portfolio file

Upload TXT, CSV, Excel, PDF, DOC or DOCX first. Review the terms in the next step, then choose whether AlphaBrain may analyze it.

Private temporary storage · automatically expires after one hour if you do not continue.

No account required.
AI Portfolio Brief
Example: should you add to AI infrastructure exposure this week?

News flow

Mixed

Event risk

42%

News sources
Headlines, research, filings
Prediction markets
Odds, events, probability moves
Financial data
Quotes, fundamentals, ETFs
Portfolio context
Holdings, exposure, constraints

Next step

Hold the core position, tighten alerts around supplier news, and review semiconductor ETF concentration before adding more exposure.

Tool-backed analysis, not a black-box score.

From market noise to portfolio action

AlphaBrain is built around the questions investors actually ask before buying, holding, trimming, or hedging.

Read the market faster
Summarize news, filings, analyst context, and macro headlines into what changed for your holdings.
Price event risk
Use prediction-market odds to understand what investors are assigning probability to before it hits portfolios.
Verify with fundamentals
Check quotes, ratios, statements, earnings, ETF exposure, and valuation data before making a move.
Decide what to do next
Translate signals into watchlist changes, risk checks, rebalancing ideas, and scenario alerts.

Signal chain

Know why a decision makes sense

The product is not another dashboard full of charts. It connects the source, the market implication, and the portfolio action in one inspectable flow.

Find the signal
Pull relevant news, company data, macro context, prediction-market odds, and portfolio exposure.
Rank what matters
Separate facts, assumptions, risk drivers, stale data, and model interpretation.
Take the next step
Get a clear action frame: monitor, research deeper, rebalance, hedge, or create an alert.

Ask better questions

Turn investment intent into research

Start with a plain-English question. AlphaBrain chooses the relevant data sources, runs the analysis, and shows the evidence trail.

What changed today for NVDA and its suppliers?

Is my ETF exposure too concentrated in AI infrastructure?

Compare recession odds with recent macro news.

Which holdings are most exposed to a China-Taiwan shock?

What should I watch before adding to semiconductors?

Create an alert if the thesis breaks.

Built for investment decisions, not content generation

Source-linked output

Claims are tied back to the tool or data source that produced them.

Decision framing

Answers separate facts, assumptions, investment opinion, and portfolio fit.

Inspectable traces

Tool calls and data snapshots stay visible so you can audit the analysis path.

How the decision engine works

Three stages to convert fragmented signals into portfolio context.

Step 01

Connect signals
Bring together news flow, stock and ETF data, macro context, and prediction-market odds.

Step 02

Compare outcomes
Let the AI weigh catalysts, fundamentals, probabilities, and downside risks side by side.

Step 03

Act with context
Get portfolio-aware next steps with assumptions, missing data, and risk narratives attached.

Frequently asked questions

Move from signal overload to portfolio clarity

Start using AlphaBrain to make faster, more defensible stock and ETF portfolio decisions with financial data, news sources, and prediction-market context.