---
title: "Eunkwang Shin (@gracefullight) skills · skilld"
canonical_url: "https://skilld.dev/gh/gracefullight"
meta:
  description: "3 agent skills written by Eunkwang Shin on skilld."
  "og:description": "3 agent skills written by Eunkwang Shin."
  "og:title": "Eunkwang Shin on skilld"
---

`

![Avatar for Eunkwang Shin](https://skilld.dev/_img/avatar?url=https%3A%2F%2Fgithub.com%2Fgracefullight.png)

# **Eunkwang Shin**

[@gracefullight](https://github.com/gracefullight)person

I literally can’t sleep if I don’t code for even a single day.

3 skills 46 Ultimo, NSW

[GitHub](https://github.com/gracefullight) [Website](https://gracefullight.dev)

## Skills

### [gracefullight/stock-checker](https://skilld.dev/gh/gracefullight/stock-checker)

Fetches multiple tickers’ stock data, calculates key indicators, and auto-generates daily CSV.

3 skills 46

`npx skilld add gracefullight/stock-checker`

- [

  **/backtesting-trading-strategies**46

  Backtest crypto and traditional trading strategies against historical data. Calculates performance metrics (Sharpe, Sortino, max drawdown), generates equity curves, and optimizes strategy parameters. Use when user wants to test a trading strategy, validate signals, or compare approaches. Trigger with phrases like "backtest strategy", "test trading strategy", "historical performance", "simulate trades", "optimize parameters", or "validate signals". /backtesting-trading-strategies by gracefullight](https://skilld.dev/gh/gracefullight/stock-checker/backtesting-trading-strategies)
- [

  **/stock-analysis**46

  Analyze stocks and cryptocurrencies using Yahoo Finance data. Supports portfolio management (create, add, remove assets), crypto analysis (Top 20 by market cap), and periodic performance reports (daily/weekly/monthly/quarterly/yearly). 8 analysis dimensions for stocks, 3 for crypto. Use for stock analysis, portfolio tracking, earnings reactions, or crypto monitoring. /stock-analysis by gracefullight](https://skilld.dev/gh/gracefullight/stock-checker/stock-analysis)
- [

  **/yahoo-finance**46

  Get stock prices, quotes, fundamentals, earnings, options, dividends, and analyst ratings using Yahoo Finance. Uses yfinance library - no API key required. /yahoo-finance by gracefullight](https://skilld.dev/gh/gracefullight/stock-checker/yahoo-finance)

Curated skills from @gracefullight. Checked GitHub just now