Who pays initial margin?

Related questions

1. What is short margin?
2. What is a margin position?
3. What is margin rule?
4. What is a margin maintenance requirement?
5. Is collateral initial margin?
6. How much can I borrow on margin?
7. What is the best forex leverage to use?
8. Can you short Bitcoin on Bitfinex?
9. What is the margin rate?
10. What is a Fiat deposit?

Tags

1. #initial
2. #percentage
3. #available
4. #price
5. #marginable
6. #security
7. #margin
8. #basket
9. #account
10. #purchased
11. #holder
12. #other
13. #securities
14. #additions
15. #denotes
16. #purchase