Skills Recipes How vetting works Publish Docs

Search SkillPort

Search skills or jump to a section.

Home
Skills
Joellewis
Return calculations

SkillPort

A trust-first marketplace for AI agent skills. Every listing is scanned and pinned to its exact bytes; publisher submissions are human-reviewed before they go live.

Marketplace

Browse skills
Publish a skill

Trust

How vetting works

Developers

CLI documentation
Get an API key

Community-imported skills are redistributed from open-source repositories under their original licences, with attribution shown on each listing. If you are an author and want a listing amended or removed, see the takedown process on our security page.

© 2026 SkillPort · built and operated by Syed Hasan. Skills are scanned and reviewed at a specific version, not certified safe.

Sign in Get started

Return Calculations by Joel Lewis | SkillPort

Return Calculations

Community

Compute and compare investment returns including time-weighted, money-weighted, CAGR and annualised measures.

Imported from Joel Lewis · MITOriginal source

Financeclaude-codegeneric

Installs:2 installs

Free

Publisher: Joel Lewis
Category: Finance
Latest version: 1.0.0
Price: Free

Community import: this skill is redistributed from an open-source repository under the MIT licence, with attribution. Original source

Sign in to save this skill

Trust report

Community

Scanned at version 1.0.0 on 13 September 2026.

Automated scan

Passed on 13 September 2026.

Human review

Automated scan only; not individually reviewed.

Version scoped

The verdict applies to version 1.0.0 only. New versions are rescanned before publishing.

A review reflects the named version at the review date; it is not a guarantee for future versions. How vetting works

Install

$npx @skillporthq/cli@latest add joellewis/return-calculations

Sign in to install from the browser (no API key needed), or to create a free API key for the terminal command.