# Option Chain

> Get option chain data including calls and puts with strikes, bids, asks, volume, open interest, and implied volatility. Use when user asks about options, option prices, calls, puts, or option chain for a specific expiration date.

- **Type:** Skill
- **Install:** `agentstack add skill-staskh-trading-skills-option-chain`
- **Verified:** Yes — security-reviewed for prompt injection and unsafe behavior
- **Seller:** [staskh](https://agentstack.voostack.com/s/staskh)
- **Installs:** 0
- **Category:** [Finance & Payments](https://agentstack.voostack.com/c/finance-and-payments)
- **Latest version:** 0.1.0
- **License:** MIT
- **Upstream author:** [staskh](https://github.com/staskh)
- **Source:** https://github.com/staskh/trading_skills/tree/main/.claude/skills/option-chain

## Install

```sh
agentstack add skill-staskh-trading-skills-option-chain
```

Requires the [AgentStack CLI](https://agentstack.voostack.com/docs/cli). Works with Claude Code, Cursor, and any MCP-compatible agent.

## About

# Option Chain

Fetch option chain data from Yahoo Finance for a specific expiration date.

## Instructions

> **Note:** If `uv` is not installed or `pyproject.toml` is not found, replace `uv run python` with `python` in all commands below.

First, get available expiration dates:
```bash
uv run python scripts/options.py SYMBOL --expiries
```

Then fetch the chain for a specific expiry:
```bash
uv run python scripts/options.py SYMBOL --expiry YYYY-MM-DD
```

## Arguments

- `SYMBOL` - Ticker symbol (e.g., AAPL, SPY, TSLA)
- `--expiries` - List available expiration dates only
- `--expiry YYYY-MM-DD` - Fetch chain for specific date

## Output

Returns JSON with:
- `calls` - Array of call options with strike, bid, ask, volume, openInterest, impliedVolatility
- `puts` - Array of put options with same fields
- `underlying_price` - Current stock price for reference

Present data as a table. Highlight high volume/OI strikes and notable IV levels.

## Dependencies

- `pandas`
- `yfinance`

## Timezone

All timestamps and time-based calculations must use the `America/New_York` timezone. All JSON output must include `generated_at` (NY time string) and `data_delay` fields.

## Source & license

This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.

- **Author:** [staskh](https://github.com/staskh)
- **Source:** [staskh/trading_skills](https://github.com/staskh/trading_skills)
- **License:** MIT

Install and usage instructions live in the source repository linked above.

## Pricing

- **Free** — Free

## Security capabilities

Automated source analysis of v0.1.0 — what this tool can access:

- **Network access:** no
- **Filesystem access:** no
- **Shell / process execution:** no
- **Environment & secrets:** no
- **Dynamic code execution:** no

*"Yes" means the capability is present in the source — more access means more to trust, not that it is unsafe.*


## Versions

- **0.1.0** — security scan: passed — Imported from the upstream source.

## Links

- Listing page: https://agentstack.voostack.com/l/skill-staskh-trading-skills-option-chain
- Seller: https://agentstack.voostack.com/s/staskh
- Browse the marketplace: https://agentstack.voostack.com/browse

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Listed on AgentStack — the marketplace for AI agent skills and MCP servers. Every listing is security-reviewed. Creators keep 70%.