ed-thorp

Compute optimal Kelly fractions and position sizes from win probability and payoff ratio.

13|3|Updated Mar 31, 2026
One-click install
npx skills add https://github.com/cubexch/ai-fund --skill ed-thorp
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: ed-thorp
Source: https://github.com/cubexch/ai-fund/tree/main/skills/ed-thorp
Command: npx skills add https://github.com/cubexch/ai-fund --skill ed-thorp

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Provides a disciplined, math-driven framework for identifying and sizing edge in trading strategies using Kelly criterion, with explicit risk controls and bankroll management.

Core Features & Use Cases

  • Quantitative edge estimation and Kelly sizing for trades
  • Backtesting and bankroll trajectory modeling to forecast growth and drawdown
  • Edge verification protocols and safety rules to prevent ruin
  • Cross-exchange applicability using standard APIs and data inputs
  • Performance tracking and self-evaluation tools to monitor strategy health

Quick Start

Provide the win probability and payoff ratio for a trade to compute the optimal Kelly fraction and determine the recommended position size.

Frequently Asked Questions about ed-thorp

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I calculate optimal bet sizing using the Kelly criterion for quant trading?

To calculate optimal bet sizing for quant trading, you provide the win probability and payoff ratio of a trade. The framework then computes the recommended Kelly fraction to determine your exact position size.

What is the difference between full Kelly and half Kelly position sizing?

Full Kelly sizing maximizes long-term bankroll growth by allocating the exact mathematical edge, while half Kelly reduces the fraction to lower drawdown risk. This framework supports both sizing methods to match your risk tolerance.

How do I backtest a trading strategy and model bankroll trajectory?

You backtest a trading strategy by applying historical inputs to the edge estimation framework. This process models your bankroll trajectory to forecast expected growth and potential drawdowns before live execution.

Can I apply Kelly criterion risk management across multiple crypto exchanges?

Yes, you can apply this risk management framework across multiple crypto exchanges. It processes standard API data inputs to calculate edge-aware sizing and track performance consistently across different venues.

What safety guardrails prevent account ruin when using Kelly bet sizing?

The framework enforces explicit safety guardrails and edge verification protocols to prevent account ruin. These rules restrict overexposure and validate strategy health before executing risk-aware position sizes.

How do I track quantitative trading edge and monitor strategy health?

You track quantitative trading edge by using the built-in performance tracking and self-evaluation tools. These metrics monitor your strategy health over time to ensure your calculated edge remains valid.