HHenrik J.· Retail trader · 2w★★★★★
The overfitting warnings killed three of my 'genius' strategies. Saved me real money.
Hby Hana Sato·listed 2026-06-14·★★★★★ 4.1
VISITS/MO
87k
UPVOTES
1.4k
RATING
4.1★
MOM GROWTH
–
Overview
🔒 quantleap.io
QQuantLeap
Illustrative preview — see quantleap.io for the real product
About QuantLeap
QuantLeap lets you backtest trading ideas without writing code. Describe a strategy in plain English or build it visually, then test it against 20 years of market data with realistic fees, slippage and position sizing.
Honest by default: out-of-sample validation and overfitting warnings are built in, not buried in settings.
Key features
- ✓ No-code strategy builder + plain-English input
- ✓ 20 years of equities, ETF and crypto data
- ✓ Realistic fees, slippage and sizing models
- ✓ Out-of-sample validation by default
- ✓ Overfitting detection and warnings
Pricing
FreemiumPaper
$0
3 strategies, EOD data
Quant
$39/mo
Unlimited strategies, intraday data, exports
Pricing shown as listed by the maker on 2026-06-14. Check quantleap.io for current plans.
Reviews
★★★★★ 4.0 · 2 reviewsAAda O.· Finance student · 1mo★★★★★
Best educational tool I've found for understanding why most strategies don't survive out-of-sample.
Similar tools
More in Fintech ›- FormletBeautiful forms that feel like conversations.▲ 3.8k
- FlowBotAutomate anything with plain-English workflows.▲ 2.4k
- SiteSmithLanding pages generated from a single sentence.▲ 1.1k
- PayLaneGlobal payouts for platforms, in one API call.▲ 3.3k
- PromptForgeVersion, test and ship LLM prompts as a team.▲ 5.2k
- ShipDeckOne-click deploys for indie hackers. Zero DevOps.▲ 4.9k
Is this your tool?
Claim it, get the FEATURED badge and priority placement across the directory.