return-calculations

Community

Master investment return metrics.

AuthorJoelLewis
Version1.0.0
Installs0

System Documentation

What problem does it solve?

This Skill helps users understand and calculate various investment return metrics, clarifying performance and growth over time.

Core Features & Use Cases

  • Calculate Key Metrics: Compute Time-Weighted Return (TWR), Money-Weighted Return (MWR/IRR), Compound Annual Growth Rate (CAGR), and simple holding period returns.
  • Understand Return Types: Differentiate between arithmetic, geometric, and log returns, and learn when to use each.
  • Annualize & Link: Convert returns across different periods and link sub-period returns for cumulative analysis.
  • Use Case: A user wants to know the true performance of their investment portfolio over the last year, considering both gains/losses and any deposits or withdrawals they made.

Quick Start

Calculate the compound annual growth rate for an investment that grew from $10,000 to $16,105.10 over 5 years.

Dependency Matrix

Required Modules

numpy

Components

scriptsreferences

💻 Claude Code Installation

Recommended: Let Claude install automatically. Simply copy and paste the text below to Claude Code.

Please help me install this Skill:
Name: return-calculations
Download link: https://github.com/JoelLewis/finance_skills/archive/main.zip#return-calculations

Please download this .zip file, extract it, and install it in the .claude/skills/ directory.
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