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MesoSim Review, Pricing, and Features

By Jera Value · Verified Nov 2026

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MesoSim

mesosim.io
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Web / API · How this site is funded

MesoSim helps you test multi-leg options strategies and inspect how risk changes through a simulation. Define entries, exits, and adjustments, then study event logs, Greeks, payoff graphs, and eligible margin or volatility tools. Standard centers on SPX; Advanced expands instruments, analytics, and API access. Free Basic can view results and templates but cannot run backtests. Live MesoLive execution and institutional products use separate terms.

Verdict

Worth it if you need detailed options backtests and risk analysis for supported instruments.

  • Strategy research: simulate entries, exits, and adjustments
  • Risk review: inspect Greeks, margin, and payoff changes
  • Programmatic analysis: use Advanced or institutional APIs

Skip it if you need free ongoing simulations or broad stock research.

  • Free scope: Basic can view results but cannot run backtests
  • Narrow instruments: Standard centers on SPX; Advanced adds selected options
  • Live execution: MesoLive and institutional automation need separate access

Pricing

Prices checked
Billed annually4 plans · 1 add-on

Free

$0

For sampling options backtests

  • View and analyze shared results.
  • Save backtest templates and access documentation.
Recommended

Standard

$1000/yrBilled annually

For regular SPX options testing

Everything in Free, plus

  • Two SimHours of SPX backtesting per week.
  • Integrated AI assistant and event exports.
  • One MesoLive paper-trading account.

Advanced

$1250/yrBilled annually

For advanced options simulation

Everything in Standard, plus

  • Everything in Standard plus RUT, VIX, and GLD.
  • Five SimHours of backtesting per week.
  • MesoSim API and AI Agent support.
  • Margin, valuation, volatility, and expanded risk tools.
  • Up to two paper-trading accounts.

FundPro

Contact sales
  • Advanced backtesting and trading-automation APIs.
  • Strategy optimization and quantitative analytics.
  • Institutional scope and contracts agreed with sales.

Add-ons

  • MesoLive Add-on$750/yr
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Deals

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

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Key features

  • Strategy definitions

    Set low-code option entry, exit, and adjustment rules.

  • Options simulations

    Backtest supported multi-leg structures on eligible paid plans.

  • Payoff graphs

    Inspect 2D and 3D risk shapes and simulated outcomes.

  • Position monitoring

    Review Greeks, P&L traces, and eligible margin models.

  • Volatility tools

    Advanced adds valuation models and a volatility-surface viewer.

  • Simulation exports

    Save eligible event logs and OptionNet Explorer outputs.

  • Strategy assistance

    Use the integrated assistant; Advanced adds API and AI Agent access.

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
  • Domain rating7: Ahrefs scores how strong a site's backlinks are, from 0 to 100. A high score usually means an established site that many others cite and trust.

Domain Rating by Ahrefs

Data partners

CboeDeribit

Categories

Granularity & latency

  • Minute

Asset types

  • Options
  • Cryptos

Target audience

Pro RetailAlgo TradersDay TradersSwing TradersQuants/DevelopersInstitutional Investors

Coverage regions

North America

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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.