Looping is leverage

Each pass of a loop borrows 75% of the last deposit. What is the most exposure the loop can reach per dollar of equity?

• 1.75x
• 4x
• 7.5x

Which number in a loop stays the same while collateral and debt grow?

• Equity, your own money: collateral minus debt
• The health factor
• The book's weight in the collateral asset