QuantConnect alternatives
Compare AmiBroker, Backtrader, QuantConnect and Stochastly by language, platform, licence, data, validation and execution path.
Comparison criteria
Tools appear in alphabetical order. “Not published” means the cited publisher material does not establish that field. Prices and feature access may change by edition.
| Tool | Language | Platform | Licence / price | Data included | Built-in robustness tests | Execution export or path | Suitable for |
|---|---|---|---|---|---|---|---|
| AmiBroker | AFL | Windows desktop | Standard and Professional licences; vendor pages show different Professional prices | User-provided feeds | Walk-forward; Monte Carlo | AFL formula and broker integration require separate setup | Researchers maintaining AFL formulas and portfolio tests |
| Backtrader | Python | Local Python environment | GPL-3.0 | User-provided feeds | Not published as built-in selection tests | Python Strategy class; documented broker integrations | Python developers who need a programmable broker simulator |
| QuantConnect | C# or Python | Cloud or Local Platform | Open-source LEAN; free plan; Team $168, Trading Firm $480, Institution $1,272 per user monthly with seat minimums | Hosted market data; local inputs possible | Not published as built-in DSR or PBO | LEAN algorithms connect to supported brokers | Coded strategies that use hosted data and broker connections |
| Stochastly | Node graph and Python editor | Windows desktop | Paid subscription: €89 or €149 monthly; €960 or €1,600 yearly; 14-day trial | User-provided local price files | Causality gate; walk-forward; DSR; PBO; Romano-Wolf StepM; CPCV | Supported logic to Pine Script, MQL5, Python, C++ or Rust; direct broker execution is planned once the applicable regulation is in place | Researchers checking selection effects on their own data before exporting supported logic |
Decision boundary
A local LEAN run and a hosted LEAN run can use different data access and deployment settings. Compare those costs before choosing a coded research workflow.
For Stochastly, direct broker execution is planned once the applicable regulation is in place. Its trial is followed by a paid subscription; the pricing page lists current editions.
Sources
QuantConnect alternatives publisher facts checked on 3 October 2026.
Product facts for Stochastly come from its export documentation, node reference and pricing.