Status
Start with the trial and unlock the full platform.

Sign up for a MesoSim account, then continue to Stripe for the one-time $25 onboarding charge. The trial gives you immediate Advanced + MesoLive access, and canceling later leaves you on the limited free account.

Trial fee
$25 once
One-time onboarding charge collected in Stripe
Immediate access
Advanced + MesoLive
14-day trial with Advanced + MesoLive access
After cancellation
Limited free account
Keep your own and shared results, templates, and docs
Billing frequency
Yearly saves $200 to $250 per year
About 2 months free compared with monthly.
MesoLive add-on
Trial includes it now. Renewal add-on: +$75/month equivalent.
MesoSim Retail
Standard

AI-assisted strategy development for active options research.

Best starting point
$100/ month
Billed monthly at $100.
check Everything from Basic
check AI-assisted strategy development for faster iteration and idea refinement
check Unlimited backtests with SPX options, plus BTCUSD and ETHUSD options
check Event and OptionNet Explorer exports
check Share results with others
check MesoLive Paper Trading: 1 simulated account
MesoSim Retail
Advanced

Expanded instrument coverage and the full research toolkit.

Full toolkit
$125/ month
Billed monthly at $125.
check Everything from Standard
check Additional instruments: RUT, VIX, and GLD options
check Hourly Risk Trace samples
check MesoLive Paper Trading: 2 simulated accounts
Free after cancellation
What remains after the trial?

New subscriptions start in Stripe with a one-time $25 trial fee. If you cancel later, you keep a free MesoSim account for your own and shared results, templates, and docs.

Free account
check View and analyze your own and shared results
check Save backtest templates
check Access the documentation
check Upgrade later when you want active research access
Deltaray
FundPro

For institutions and professional workflows that need APIs, automation, portfolio tooling, and deeper integration across research and live operations.

For institutions MesoLive included
star MesoSim API and advanced backtesting workflows
star MesoLive API and trading automation
star Merlin optimization and Quantify analytics
star AI-assisted strategy development at scale
Need help? or reach out to support@deltaray.io for assistance. 🗙