XRayPortfolio: Multi-Broker Stock Overlap and Concentration Tracker
Retail investors lack a unified, deconstructed view of their true stock exposure across multiple financial accounts, frequently suffering from hidden asset overlap and severe over-concentration because multi-asset funds obfuscate underlying stock holdings.
Is the problem real?
Retail investors struggle to get a unified view of their actual stock exposure across multiple financial accounts, often suffering from hidden asset overlap and over-concentration because funds obfuscate individual stock holdings.
EVIDENCE
Built a map of the whole market to see where money is actually flowing, plus an x-ray of what I own across all my accounts. Rip it apart
Built a map of the whole market to see where money is actually flowing, plus an x-ray of what I own across all my accounts. Rip it apart
Who feels this pain?
TARGET USERS
Retail investors with money split across 3+ brokerages, employee stock plans, and legacy 401ks struggling to see unified asset exposure.
Context
Current Workarounds
Where's the gap?
EXISTING SOLUTION GAPS
OPPORTUNITY & VALUE
Repeated complaints focus heavily on the inability to view total underlying asset exposure across separated brokerages, employer 401ks, and employee stock options, highlighting how funds hide duplicate over-concentration risks.
Unlike standard trackers that only display high-level fund tickers or siloed account balances, this tool drills entirely down into the hidden inner holdings of funds across all separate accounts to map exact collective equity exposure.
An automated portfolio aggregation platform that pulls holdings from all brokerages and 401ks, automatically parses and 'x-rays' mutual funds and ETFs down to individual stock levels, and provides clear, non-confusing visualizations of true cross-account stock concentration and sector cash rotation.
How does it make money?
MONETIZATION
Model
Users express high frustration with hidden tech stock concentration risking their core wealth. They explicitly seek a dedicated product to 'X-ray' their portfolios across multiple broken silos, making a low-friction $12/month fee highly justifiable against potential market losses.
How do you ship it?
MVP PLAN
“X-ray your hidden stock concentration across all your investment accounts in 60 seconds.”
An automated portfolio aggregation platform that pulls holdings from all brokerages and 401ks, automatically parses and 'x-rays' mutual funds and ETFs down to individual stock levels, and provides clear, non-confusing visualizations of true cross-account stock concentration and sector cash rotation.
Core Features
Weekly Roadmap
- •Set up core DB schemas supporting multiple user accounts and asset mappings
- •Build a background script to parse and unpack standard top-100 ETF constituent equities
- •Develop an upload system for manual CSV file portfolio data input testing
- •Implement Plaid Link API connection infrastructure for live multi-broker equity sync
- •Develop simplified linear equity overlap dashboard avoiding confusing nested layouts
- •Add cross-account total aggregation math calculations
- •Integrate basic Stripe subscription checkout and billing subscription management
- •Onboard 20 retail investor beta testers sourced directly from r/stocks thread channels
- •Fix UI edge cases where multi-broker tickers map incorrectly
- •Launch application on Product Hunt and relevant IndieHackers community forums
- •Publish interactive programmatic 'Is your portfolio secretly 40% Apple?' example landing tools
- •Track daily user registration conversions and paid premium tier conversions
Target retail investing subreddits (r/personalfinance, r/stocks, r/Bogleheads) and launch on Product Hunt with interactive, mock-up visualizer pages showing how 'diversified' funds secretly overlap.
RISKS & ASSUMPTIONS
Top Risks
Legacy employee stock plans and employer 401k portals often lack clean API connectors, forcing fragile web scraping or manual upload fallbacks.
Licensing comprehensive, daily updating ETF and mutual fund constituent breakdown data can be expensive for a bootstrapping project.
Convincing retail users to connect multiple major live brokerage accounts requires high baseline security proof and institutional-grade trust compliance signs.
Should you build it?
Run an Investment Memo to get a structured Go / No-Go verdict, competitor landscape, unit economics, and a 90-day validation roadmap for this opportunity.
Generate an investment memoWhat this score means
This opportunity scores well above the median for ideas surfaced by MonetScope, with a validation sub-score of 8/10 against 2 independently sourced evidence signals. A "strong" rating in this band typically means the pain signal is consistent and recurring across multiple discussions, but one of the three pillars (severity, willingness to pay, or competitor weakness) is somewhat softer than top-tier opportunities. Founders evaluating this should focus customer discovery on the softest pillar first — confirming the gap before committing engineering time to a build.
Why this matters for SaaS founders
It sits at the intersection of "analytics", "automation", "data-management", which makes it relevant to a specific subset of founders rather than a generic horizontal opportunity. SaaS opportunities at this stage tend to win on the strength of their initial wedge — a single workflow that the target user runs every week, where the existing solution is either spreadsheets, a clunky incumbent feature, or a manual process they hate. The build cost is moderate; the distribution cost is everything. The MonetScope pipeline surfaces this category alongside other saas signals, which is why it appears here rather than in a generic "trending ideas" feed.
Scores are derived from real forum discussions across Reddit, Hacker News and X, weighted by evidence volume and signal quality. How scoring works
Frequently asked questions
Is "XRayPortfolio: Multi-Broker Stock Overlap and Concentration Tracker" a real validated startup idea or just an AI-generated suggestion?
MonetScope does not generate ideas from a language model's imagination. Every opportunity on this site is anchored to specific source posts and comments from real public discussions — typically on Reddit, Hacker News, or X — where actual users describe the pain in their own words. The AI's role is structuring, scoring, and grouping those signals into a navigable opportunity, not inventing the problem.
How recent is the underlying data for analytics?
MonetScope's spider pipeline runs continuously and surfaces opportunities as new evidence accumulates. The "Updated" date in the header reflects the most recent re-scoring of this specific opportunity. Most saas opportunities visible in the public catalog draw from discussions in the last 30-60 days; older signals are de-prioritized because user pain shifts faster than most founders assume.
What's the difference between "overall score" and "validation score"?
Overall score is a composite across six dimensions — pain, urgency, willingness to pay, market size, defensibility, and execution ease — designed to give a single number for triage. Validation score is narrower: it asks "how cleanly does the same signal repeat across independent sources?" An opportunity can score high on overall but lower on validation when one or two large discussions dominate the evidence; conversely, validation can be high on a smaller-overall idea where the signal is consistent but the addressable market is modest.