Source: https://mochatrade.com/learn/glossary/dow-jones-industrial-average

# Dow Jones Industrial Average
URL: https://mochatrade.com/learn/glossary/dow-jones-industrial-average
Last modified: 2026-10-17

The Dow Jones Industrial Average is thirty large American companies averaged by share price, not by size, since 1896. A four hundred dollar stock moves it more than a forty dollar one, whatever each company is worth. That is why the Dow is [the number headlines quote](https://mochatrade.com/learn/us-market-structure/us-stock-market-explained) while the [S&P 500 is what money is measured against](https://mochatrade.com/learn/us-market-structure/us-stock-market-explained).

## Related terms

- S&P 500: https://mochatrade.com/learn/glossary/sp-500
- NYSE: https://mochatrade.com/learn/glossary/nyse
- NASDAQ: https://mochatrade.com/learn/glossary/nasdaq
- NBBO: https://mochatrade.com/learn/glossary/nbbo
- Cboe: https://mochatrade.com/learn/glossary/cboe
- Blue chip US stocks: https://mochatrade.com/learn/glossary/blue-chip-us-stocks