| Margin call | $1,475 |
| Deposit 30% marginable securities | $1,475 / (1 – 0.3) |
| Deposit value | $2,107.14 |
| Margin debt | ($5,000) |
| Stock value | $9,107.14 |
| Shortfall | $0 |
| Net portfolio value | $4,107 |
| New maintenance requirement | $3,107 |
| Margin call | $1,475 |
| Deposit 30% marginable securities | $1,475 / (1 – 0.3) |
| Deposit value | $2,107.14 |
| Margin debt | ($5,000) |
| Stock value | $9,107.14 |
| Shortfall | $0 |
| Net portfolio value | $4,107 |
| New maintenance requirement | $3,107 |