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Redstone vs Langbot

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Redstone compared with Langbot
DetailRedstone logo RedstoneLangbot logo Langbot
What it doesPortfolio analytics platform for quantitative investors Data and simulation layer for prediction markets on Kalshi and Polymarket
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFreemium Freemium
PricingStarter: free ($0/month); Plus: $15/month; Pro: $50/month. Starter includes 5 portfolios, 10 assets per portfolio, 3 portfolio optimizations a day, and 25 watchlist items. Plus adds 25 portfolios, 25 assets per portfolio, 50 optimizations a day, and 50 watchlist items. Pro includes unlimited portfol Free ($0/month) with 60-second delay on live data, 60 API requests/minute, 1 concurrent stream, 5 subscriptions, 20 sim runs/month; Builder ($49/month) with 10-second delay, 600 requests/minute, 5 streams, 25 subscriptions, 100 sim runs/month; Standard ($199/month) with 2-second delay, 3,000 request
Key features
  • 3,400+ stocks and ETFs tracked
  • 20+ risk metrics including Sharpe, Sortino, max drawdown, beta, and alpha
  • Up to 5 years of historical price data
  • Daily data refresh
  • Portfolio screener
  • Public portfolio sharing and community browsing
  • Portfolio comparison side by side
  • Asset correlation analysis
  • AI assistant integration via MCP server
  • Order-book history with outcomes and rules for every market on Kalshi and Polymarket
  • Live context synchronized on one clock: speech, official text and data releases
  • Simulator with venue's real fees and timing for backtesting
  • Full REST, WebSocket and SSE access with signed webhooks
  • Python and TypeScript SDKs and CLI for programmatic access
  • MCP server with phrase and market subscription tools
  • Fair-value and live probability models for markets
  • Signed receipts and provenance reports for evidence
  • Paper trading mode on live record before switching to real exchange keys
  • Timestamped facts for resolved market outcomes with speaker attribution
What makes it different
  • Institutional-grade metrics accessible to all investors at no cost
  • Fast and unified dashboard combining multiple portfolio analysis tools in one place
  • Community-driven insights from public user portfolios
  • Daily updated data with no subscription required to view core features
  • Synchronized context on the same clock: order books, market rules, and every speech or data release that moves prices
  • Speaker attribution and verdict for each phrase: whether it counts under market rules
  • Live recording of order books for every open market rolling out
  • No trading signals: users control all decisions and trades with their own exchange keys
Community votes00
DR (Domain Rating by Ahrefs)20 +1 (up) since last checkNot checked yet no change since last check
Trust Flow (Majestic)90
Citation Flow (Majestic)250
Referring domains (Majestic)330

5 details filled in for both companies.

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