Black Friday 2025: One-time 20% discount on annual MesoSim or MesoLive subscriptions. The discount is automatically applied when you choose Annual. Learn more.

30% discount

MesoSim

Basic

Free

Current plan



  • 25 free runs with Advanced features
  • View and analyze the results of shared runs
  • Save backtest templates

  • Access the documentation

MesoSim Retail

Standard

$42 / month — Billed annually



Add MesoLive: $25 / month
  • Everything from Free plan
  • Unlimited backtests with SPX, BTCUSD and ETHUSD options
  • Event and OptionNet Explorer exports
  • Share results with others
  • MesoLive Paper Trading:
    1 simulated account

    • MesoSim Retail

    Advanced

    $50 / month — Billed annually



    Add MesoLive: $25 / month
  • Everything from Standard plan
  • Additional instruments:
    RUT, VIX and GLD options
  • Margin models
  • Options Valuation Model and Solver
  • Volatility Surface Viewer
  • HD Risk Graphs
  • Hourly Risk Trace samples
  • MesoLive Paper Trading:
    up to 2 simulated accounts
  • Free for Universities

    • Deltaray

    FundPro

    Contact us for a quote

    For institutions & professionals


    MesoLive Included
  • MesoSim API - Advanced backtesting engine
  • MesoLive API - Trading automation
  • Merlin - Strategy and portfolio optimization
  • Quantify - Advanced analytics platform
  • AI-assisted strategy development

    • Payments by

    All subscriptions are non-refundable and recurring. See our terms and conditions. If you have any questions, please contact us or visit deltaray.io.

    Need help? or reach out to [email protected] for assistance. 🗙