Etf Premium
Calculates the gap between an ETF's market price and its net asset value using Yahoo Finance data, then shows you whether you're overpaying or getting a discount. Routes to five different analysis modes: single ETF snapshot with peer comparison, multi-ETF comparison, premium screener across categories, deep dive with context, and a surge decomposition tool that separates NAV-driven moves from dealer hedging and gamma effects. Most useful for bond, crypto, leveraged, and international ETFs where premiums actually matter. The peer comparison is smart, it auto-groups by category so you can see if a premium is ETF-specific or market-wide. Educational use only, not financial advice.
- skills.sh installs
- 3.3K
- GitHub stars
- 3.5K
- last updated
- Aug 21, 2026
Install
$ npx -y skills add himself65/finance-skills --skill etf-premium --agent claude-codeInstalls into .claude/skills of the current project.
Files
ETF Premium/Discount Analysis Skill
If your host has not already executed the shell probes below (for example, in Codex), run the commands inside the ! wrappers with its shell tool before choosing a setup path. Use the actual output; if shell access is unavailable, report that limitation.
Calculates the premium or discount of an ETF's market price relative to its Net Asset Value (NAV) using data from Yahoo Finance via yfinance.
Why this matters: An ETF's market price can diverge from the value of its underlying holdings (NAV). When you buy at a premium, you're overpaying relative to the assets; at a discount, you're getting a bargain. This divergence is typically small for liquid US equity ETFs but can be significant for bond ETFs, international ETFs, leveraged/inverse products, and crypto ETFs — especially during periods of market stress.
Important: For research and educational purposes only. Not financial advice. yfinance is not affiliated with Yahoo, Inc.
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- Repository
- github.com/himself65/finance-skills
- Category
- Finance & Trading
- First seen
- Jun 3, 2026
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