BeltwayTrader — four design prototypes

Built from a survey of 24 leading sites (Sept 2026): 8 consumer-fintech leaders (Stripe, Robinhood, Coinbase, Betterment, Wealthfront, Mercury, Ramp, Public), 8 financial-media & engagement leaders (Bloomberg, Yahoo Finance, Morningstar, NerdWallet, Axios, The Athletic, FiveThirtyEight, Finviz), and 8 direct competitors & civic sites (CapitolTrades, Quiver Quantitative, Unusual Whales, OpenSecrets, GovTrack, Polymarket, StockTwits, Barchart/InsiderFinance). All four pages below use live data from trades.db (7,184 filings through 2026-09-02).

What the survey distilled

One bold sentence + evidence above the fold. Every fintech leader opens with a short declarative headline next to a product screenshot or a big concrete number — never a paragraph.
One accent color, used sparingly. Stripe purple, Coinbase blue, Ramp chartreuse. Restraint reads as financial seriousness; multi-color palettes read as toys.
Numbers are first-class typography. Monospace/tabular figures, oversized stat cards with tiny captions, green/red reserved strictly for direction, intensity for magnitude.
State the takeaway in words, next to the data. 538's chart subtitles and Axios's "Why it matters" — a plain-English "so what" is the biggest difference between a great site and a spreadsheet.
Layered depth. Headline → one-liner → bullets → "go deeper." Never force detail on scanners, never deny it to researchers.
Scoreboards and named characters drive this niche. Everything that went viral for competitors is a ranking (most active traders, Pelosi as protagonist). Pre-computed "what's unusual today" lists beat search boxes.
Trust = showing the receipt. CapitolTrades' "view original filing" link outperforms any badge. Provenance, dated timestamps, and "ranges not exact amounts" honesty are cheap and unmatched.
The market gap: polished competitors bury politics in trading-tool upsells; civic sites have credibility but 2015-era design. Nobody does modern design + civic framing + personal relevance ("what did YOUR reps trade") — and only paid tiers do alerts.
Return-visit hooks: a persistent live element (ticker band, tracker, scoreboard) at a stable URL, plus personalization ("my delegation," follows/alerts) — the habit-formers every leader shares.

The four directions

A · The Terminal Bloomberg × Finviz — dark, dense, zero decoration

The data is the page: ticker band, four-stat header, dense filings table, a Finviz-style money map of what Congress is trading, movers and late-filers rails. For the audience that wants maximum information per screenful.

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B · The Ledger Stripe × Coinbase × Robinhood — consumer-fintech clean

One bold sentence, one accent color, huge tabular numerals, generous whitespace, a clean disclosed-this-week feed and a 12-month chart. For mainstream credibility and press screenshots.

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C · The Briefing Axios × FiveThirtyEight — editorial smart-brevity

The data told as a morning brief: 1 big trade with "Why it matters," a by-the-numbers row, a chart whose headline states its takeaway, a six-item digest, and a newsletter hook. For habit-forming daily readership.

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D · The Watchdog Civic accountability × modern fintech — the market gap

"Your reps trade stocks — see the receipts." ZIP-code delegation hook, shareable trade cards with late badges and original-filing links, the Late List scoreboard, and a trust strip. The direction none of the eight competitors occupies.

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These files are design studies in prototypes\ — they are NOT part of site\ and are not deployed. Regenerate anytime with py -3.13 build_prototypes.py (re-pulls live numbers from trades.db). Member photos load from unitedstates.github.io (public domain) when online.