What is the VIX fear index?

Related questions

1. What does VIX mean?
2. What is S&P 500 VIX Short Term Futures Index?
3. Can you buy the VIX index?
4. What is the long term average of the VIX?
5. What is Vxx index?
6. What is the inverse of VIX?
7. What is the highest the VIX has ever been?
8. What does the VIX measure?
9. How does the TVIX work?
10. What is a VIX future?

Tags

1. #created
2. #gauge
3. #known
4. #other
5. #index
6. #names
7. #chicago
8. #volatility
9. #options
10. #represents
11. #board
12. #expectation
13. #market
14. #looking
15. #exchange
16. #forward