Home Loan Overdraft (SBI MaxGain) Calculator
Model daily interest savings by parking surplus emergency cash in your linked OD account. Factoring in the +40 bps spread premium, break-even thresholds, and 100% liquidity preservation.
Loan & Overdraft Parameters
Enter your loan amount, standard interest rate, and bank spread
Total principal sanctioned by the lender
Base floating repo-linked rate for standard term loans (e.g. 8.15% - 8.50%)
8.5% base + 0.4% bank spread
Contractual repayment period
Cash parked in your MaxGain current account (Emergency funds, bonuses, savings)
Extra salary savings deposited each month into the OD account
Maintaining ₹10,00,000 parked surplus saves ₹26,54,560 in lifetime interest and cuts 5.1 years off your loan while retaining 100% instant liquidity.
Overdraft vs. Direct Prepayment
Comparing parked liquidity against permanent principal prepayment
Yearly Balance & Savings Progression
Comparison of outstanding balances over the loan lifetime
| Yr | Std Bal | OD Bal | Int. Saved |
|---|---|---|---|
| 1 | $4,900,489 | $4,828,419 | $72,070 |
| 2 | $4,792,181 | $4,640,929 | $151,252 |
| 3 | $4,674,300 | $4,436,054 | $238,246 |
| 4 | $4,546,000 | $4,212,183 | $333,817 |
| 5 | $4,406,359 | $3,967,554 | $438,805 |
| 6 | $4,254,375 | $3,700,243 | $554,132 |
| 7 | $4,088,958 | $3,408,147 | $680,811 |
| 8 | $3,908,918 | $3,088,966 | $819,952 |
| 9 | $3,712,965 | $2,740,191 | $972,774 |
| 10 | $3,499,691 | $2,359,077 | $1,140,615 |
| 11 | $3,267,566 | $1,942,625 | $1,324,941 |
| 12 | $3,014,924 | $1,487,559 | $1,527,365 |
| 13 | $2,739,949 | $990,298 | $1,749,651 |
| 14 | $2,440,670 | $469,604 | $1,971,066 |
| 15 | $2,114,937 | $0 | $2,166,027 |
| 16 | $1,760,412 | $0 | $2,332,196 |
| 17 | $1,374,551 | $0 | $2,467,028 |
| 18 | $954,583 | $0 | $2,567,754 |
| 19 | $497,493 | $0 | $2,631,358 |
| 20 | $1 | $0 | $2,654,560 |