Checking

MesoSim Review, Pricing, and Features

By Jera Value · Verified Sep 2026

MesoSim is an options backtesting service with low-code strategies, multi-leg simulations, risk graphs, Greeks, volatility surfaces, margin models, and paper or live workflow paths. It is options research, not general stock research or portfolio accounting.

Verdict

Worth it if you backtest multi-leg options strategies with detailed risk views.

  • Options quants: Simulate entries, exits, and adjustments
  • Risk analysts: Inspect Greeks, margin, and payoff graphs
  • Strategy testers: Export event logs for further analysis

Skip it if you need general stock screening or free ongoing backtests.

  • Narrow universe: Published instruments center on selected options
  • API gate: Programmatic backtesting requires Advanced or FundPro
MesoSim logo

MesoSim

mesosim.io

Web / API · How this site is funded

Pricing

Prices checked
Billed annually3 plans · 1 add-on

Free

$0

For sampling options backtests

  • Shared result analysis
  • Saved templates
  • Documentation access
Recommended

Standard

$1000/yrBilled annually

For regular SPX options testing

Everything in Free, plus

  • Unlimited backtests
  • 1 paper account
  • Event exports

Advanced

$1250/yrBilled annually

For advanced options simulation

Everything in Standard, plus

  • RUT, VIX, and GLD
  • MesoSim API and AI Agents
  • 2 paper accounts

Add-ons

  • MesoLive Add-on$750/yr

FundPro: contact sales for a quote.

Visit Website

Deals

$25 plus applicable tax for a 14-day MesoSim Advanced and MesoLive trial; your selected subscription renews afterward unless canceled

Get deal

Key features

  • Strategy Definition: Set option entries, exits, and adjustments
  • Options backtests: Simulate supported multi-leg structures
  • Risk graphs: Inspect 2D and 3D payoff shapes
  • Position Monitor: Follow Greeks and P&L traces
  • Volatility surface: Overlay option prices and activity
  • Margin models: Check account and position requirements
  • Event exports: Save compressed JSON simulation logs

FAQ

Is MesoSim free?

Not entirely. MesoSim includes a free tier, but its paid subscription and other options unlock more capacity. Visit the vendor site for current limits and pricing. Enterprise quotes are handled directly with the vendor.

Who is MesoSim best for?

MesoSim is built for Pro Retail, Algo Traders, Day Traders, Swing Traders, Quants/Developers, and Institutional Investors. It suits intermediate and advanced users.

What platforms and connections does MesoSim support?

You can use MesoSim on Web. MesoSim offers an API (REST) with APIKey authentication. Integrations include MesoLive.

Which markets does MesoSim cover?

MesoSim covers North America. It tracks Options and Cryptos. Identifiers include Ticker.

Tool details

Highlights

  • Free tier available

Alternatives

If MesoSim is not the right fit, these substitutes come closest.

Comparisons

Already weighing MesoSim against something specific? Start here.

Keep Exploring

Curation & Accuracy

This directory blends AI‑assisted discovery with human curation. Entries are reviewed, edited, and organized with the goal of expanding coverage and sharpening quality over time. Your feedback helps steer improvements (because no single human can capture everything all at once).

Details change. Pricing, features, and availability may be incomplete or out of date. Treat listings as a starting point and verify on the provider’s site before making decisions. If you spot an error or a gap, send a quick note and I’ll adjust.