Sale Price ($) Enter total proceeds from the sale (e.g., 1,050,000)

Cost Basis ($) Enter original cost or carrying value of the asset (e.g., 1,000,000)

Loan Amount or Principal Balance ($) Enter original or outstanding principal balance (e.g., 1,000,000)

Quick Examples:

Mortgage Loan Sale Discounted Asset Sale

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This calculator is for educational purposes only. It is not intended to provide financial advice. Consult a financial advisor for personalized guidance.

What Is Gain on Sale Spread

Gain on sale spread is a way to measure how much money you made when you sold a loan or investment. It looks at the difference between what you sold it for and what you paid for it originally. The spread tells you that gain as a percentage of the loan amount. Banks and lenders use this number to see if selling loans is profitable for them.

How Gain on Sale Spread Is Calculated

Formula

The formula works in three easy steps. First, find out how much money you gained by taking the sale price and subtracting what you originally paid. This gives you your total gain in dollars. Next, divide that gain by the loan amount to see how big the gain is compared to the size of the loan. Finally, multiply by 100 to turn that number into a percentage. This percentage helps you compare different sales to see which ones were more profitable.

Why Gain on Sale Spread Matters

Knowing your gain on sale spread helps you understand if selling a loan or asset was a good financial decision. It shows the real return you earned relative to the size of the loan, which may help you make better choices about future sales.

Why Gain on Sale Spread Is Important for Financial Decisions

When you ignore the spread percentage, you might think a large dollar gain means a great deal. But if the loan amount was very large too, the actual return could be quite small. Understanding the spread helps you avoid sales where the profit looks good in dollars but is actually weak as a percentage. This may protect you from accepting deals that are less profitable than they appear.

For Lenders Selling Mortgage Loans

Lenders who sell mortgages often use TOS spread to decide whether to keep loans or sell them to investors. A higher spread generally suggests the sale may be more worthwhile after accounting for costs like servicing fees. You may want to compare spreads across multiple buyers to find the best offer.

For Investors Buying Loan Pools

Investors looking at loan pools can use this metric to judge pricing fairness. If the seller's spread seems unusually high, the buyer's expected return may be lower than hoped. Reviewing historical spreads may help you spot deals that are priced above or below typical market levels.

Example Calculation

Let us say a bank sells a mortgage loan pool. The sale price is $1,050,000. The cost basis (what the bank originally paid for these loans) is $1,000,000. The total loan amount or principal balance is $1,000,000.

First, we subtract the cost basis from the sale price: $1,050,000 minus $1,000,000 equals $50,000 in gain. Then we divide that $50,000 gain by the $1,000,000 loan amount, which gives us 0.05. Finally, we multiply by 100 to get 5.00%.

The calculator would display: TOS Spread Gain = 5.00%, Gain Amount = $50,000.00, Gain Margin = 4.76%.

This result means the bank earned a 5% return on the loan principal from this sale. Whether this is a good outcome may depend on market conditions, servicing costs, and alternative options available to the lender. You may want to compare this spread to other recent sales before deciding if similar future deals are worth pursuing.

Frequently Asked Questions

Who should use this TOS Spread Gain Calculator?

This calculator is designed for lenders, loan officers, financial analysts, and investors who buy or sell loans, mortgages, or securitized assets. It may also help accounting professionals who need to report gains on asset sales for financial statements.

What is a good TOS spread gain percentage?

There is no single number that counts as good because spreads vary by loan type, credit quality, interest rate environment, and market demand. Generally, spreads above 2% to 3% may be considered healthy in many markets, but you should research current benchmarks for your specific asset class.

Can the TOS spread be negative?

Yes, if the sale price is below the cost basis, the gain amount becomes negative. This indicates a loss on the sale rather than a gain. A negative spread means you received less than what the asset was worth on your books when you sold it.

Does this calculator include transaction fees or taxes?

No, this calculator only measures the basic spread between sale price and cost basis. Real transactions often involve fees, commissions, taxes, and other costs that reduce net profit. You may want to subtract those expenses from your gain amount separately for a more complete picture.