# Portfolio overlap

Canonical page: https://synoptiv.com/glossary/portfolio-overlap

The same stock held through more than one position.

Also known as: Overlap, Overlapping exposure

## Definition

Overlap occurs when several of your positions hold the same underlying stock — for example owning NVDA directly and inside QQQ. It can quietly increase concentration.

## Related terms

- [52-week high](https://synoptiv.com/glossary/52-week-high)
- [52-week low](https://synoptiv.com/glossary/52-week-low)
- [AI-written analysis](https://synoptiv.com/glossary/ai-analysis)
- [Analysis as-of price](https://synoptiv.com/glossary/analysis-as-of-price)
- [Analysis version](https://synoptiv.com/glossary/analysis-version)
- [Analyst consensus](https://synoptiv.com/glossary/analyst-consensus)
- [ATR](https://synoptiv.com/glossary/atr)
- [Attention](https://synoptiv.com/glossary/attention)

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