# Data Formats

File formats and schemas used by AI-Trader-Server.

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## Position File (`position.jsonl`)

```jsonl
{"date": "2025-01-16", "id": 1, "this_action": {"action": "buy", "symbol": "AAPL", "amount": 10}, "positions": {"AAPL": 10, "CASH": 9500.0}}
{"date": "2025-01-17", "id": 2, "this_action": {"action": "sell", "symbol": "AAPL", "amount": 5}, "positions": {"AAPL": 5, "CASH": 10750.0}}
```

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## Price Data (`merged.jsonl`)

```jsonl
{"Meta Data": {"2. Symbol": "AAPL", "3. Last Refreshed": "2025-01-16"}, "Time Series (Daily)": {"2025-01-16": {"1. buy price": "250.50", "2. high": "252.00", "3. low": "249.00", "4. sell price": "251.50", "5. volume": "50000000"}}}
```

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## Log Files (`log.jsonl`)

Contains complete AI reasoning and tool usage for each trading session.

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See database schema in [docs/developer/database-schema.md](../developer/database-schema.md) for SQLite formats.