Most business owners think the Prime Rate tells them what they will pay. It does not. On the same day, two borrowers can quote "Prime-based" loans and end up 3.50 percentage points apart. On an SBA 7(a) loan, actual rates range from 9.75% to 13.25% depending on loan size. On a conventional bank term loan, the range is 7.5% to 12.0%. The difference is the lender spread, and it is where the real pricing happens.
Benchmarks move slowly. Spreads move constantly, and they determine what you actually pay.
The Gap Between Benchmark and Borrower
Prime: 6.75% → Borrower: 9.75% to 13.25%
SBA 7(a) maximum rates at current Prime. The spread is 3.00% to 6.50% above benchmark.
Key Takeaways
- The lender spread, not the benchmark rate, is the primary driver of borrowing cost differences across products. Two borrowers quoting Prime-based loans on the same day can pay rates that differ by 3.50 percentage points based on loan size alone (SBA 7(a) maximum rates range from 9.75% to 13.25%).
- SBA 7(a) is the only major lending program that publishes its maximum spread tiers, making it the most transparent pricing benchmark in small-business lending. Maximum rates range from 9.75% (loans above $350,000) to 13.25% (loans up to $50,000).
- Conventional bank term loan spreads are not published. Borrowers with identical benchmarks may receive rates from 7.5% to 12.0% based on credit profile, collateral, industry, and relationship strength.
- Revenue-based financing and merchant cash advances do not use benchmark rates at all, which means the spread concept does not apply. Their effective APRs (15% to 350%+) reflect flat fee structures disconnected from monetary policy.
- On a $250,000 seven-year loan, the cost difference between a 3.00% spread and a 6.50% spread above Prime is approximately $38,970 in additional total interest, or roughly $464 per month.
Benchmark Rates vs What Borrowers Actually Pay
| Product | Benchmark | Benchmark Rate | Typical Borrower Rate | Implied Spread |
|---|---|---|---|---|
| SBA 7(a) (loans >$350K) | Prime | 6.75% | Up to 9.75% | +3.00% (max) |
| SBA 7(a) (loans up to $50K) | Prime | 6.75% | Up to 13.25% | +6.50% (max) |
| SBA 504 (debenture portion) | 5Y/10Y Treasury | 3.79% / 4.20% | 5.5% - 6.5% | +1.3% to +2.7% |
| Bank term loan | Prime or SOFR | 6.75% / 3.63% | 7.5% - 12.0% | +0.75% to +5.25% |
| Line of credit | Prime | 6.75% | 7.5% - 15.0% | +0.75% to +8.25% |
| Equipment financing | None (fixed) | N/A | 6.0% - 15.0% | Asset-secured pricing |
| CRE (conventional) | Treasury or SOFR | 3.79% - 4.20% | 6.5% - 9.5% | +2.3% to +5.7% |
| Revenue-based financing | None (factor/fee) | N/A | 15% - 50%+ eff. APR | Not applicable |
| Merchant cash advance | None (factor rate) | N/A | 40% - 350%+ eff. APR | Not applicable |
The 13-month Prime Rate chart below shows the benchmark that anchors most SBA and conventional variable-rate loans. Note that the rate has been flat at 6.75% since October 2025, yet borrower rates across these products vary by as much as 6.50 percentage points above Prime.
How Spreads Work
A lender spread is the margin added above a benchmark rate to compensate for credit risk, operating costs, and profit. In variable-rate lending, the borrower's rate moves with the benchmark, but the spread is typically locked at origination. The SBA 7(a) program offers the clearest illustration because it is the only major small-business lending program that publishes maximum allowable spreads, tiered by loan size. Loans above $350,000 carry a maximum spread of 3.00% above Prime, producing a current ceiling of 9.75%. At the other end, loans up to $50,000 allow a spread of 6.50%, resulting in a maximum rate of 13.25%. The 3.50-percentage-point difference between the highest and lowest SBA tiers reflects the higher per-dollar cost of underwriting and servicing smaller loans.
Outside SBA, spreads are entirely at the lender's discretion. A bank extending a Prime-based variable term loan might offer Prime + 0.75% to a long-standing depositor with strong financials, or Prime + 5.25% to a newer relationship with weaker cash flow. Both borrowers see the same benchmark in their loan documents; the spread is where the pricing decision actually happens.
What Drives the Spread
Four factors determine where a borrower lands within the spread range for any given product. Loan size is the most mechanical: smaller loans cost more per dollar to originate and service, which is why the SBA's own spread tiers widen as loan size decreases. Borrower risk profile, measured through DSCR, credit score, time in business, and industry stability, determines how much default risk the lender absorbs. Collateral coverage reduces that risk; a fully collateralized equipment loan will carry a tighter spread than an unsecured line of credit to the same borrower.
Lender type is the least visible but often most significant driver. Community banks with deposit-funded portfolios can price tighter spreads on relationship loans than national banks using wholesale funding. Online lenders, which bear higher customer acquisition costs and have no deposit base, build those costs into wider spreads or shift to non-benchmark pricing entirely. Revenue-based financing and merchant cash advances bypass the spread framework altogether by charging flat fees or factor rates, producing effective APRs from 15% to 350%+ that have no structural relationship to Prime, SOFR, or any other benchmark.
How to Lower Your Spread
Every factor that drives the spread is either negotiable or improvable. Your benchmark is set by the Fed; your spread is set by your lender, and it responds to what you bring to the table.
- Improve your DSCR. A debt service coverage ratio above 1.50x signals strong repayment capacity. Lenders price that with tighter spreads.
- Increase the loan amount. Larger loans carry lower per-dollar origination costs, which is why SBA spread tiers narrow from +6.50% (under $50K) to +3.00% (above $350K).
- Add collateral. Fully secured loans reduce lender loss exposure. Equipment, real estate, or accounts receivable as collateral compresses the risk premium built into the spread.
- Shop multiple lenders. SBA-approved lenders can price below the published ceilings. Competing term sheets are the most direct way to negotiate a lower spread.
- Choose the right lender type. Community banks with deposit-funded portfolios can often price tighter than national banks or online lenders with higher funding costs.
Estimated Borrower Rate Ranges by Product
| Product | Rate Range | Spread Structure | Rate Type |
|---|---|---|---|
| SBA 7(a) (>$350K) | Up to 9.75% | Prime + max 3.00% (published ceiling) | Variable |
| SBA 7(a) ($250K-$350K) | Up to 11.25% | Prime + max 4.50% (published ceiling) | Variable |
| SBA 7(a) ($50K-$250K) | Up to 12.75% | Prime + max 6.00% (published ceiling) | Variable |
| SBA 7(a) (up to $50K) | Up to 13.25% | Prime + max 6.50% (published ceiling) | Variable |
| SBA 504 (debenture) | 5.5% - 6.5% | Treasury-benchmarked (CDC sets) | Fixed |
| Bank term loan | 7.5% - 12.0% | Prime or SOFR + lender-set spread | Variable or fixed |
| Business line of credit | 7.5% - 15.0% | Prime + lender-set spread | Variable |
| Equipment financing | 6.0% - 15.0% | Asset-secured, no benchmark | Fixed |
| CRE (conventional) | 6.5% - 9.5% | Treasury or SOFR + lender-set spread | Fixed or variable |
| Revenue-based financing | 15% - 50%+ eff. APR | Flat fee / factor rate (no benchmark) | Fixed cost |
| Merchant cash advance | 40% - 350%+ eff. APR | Factor rate (no benchmark) | Fixed cost |
Borrower Implications
The financial impact of the spread becomes concrete on a specific loan. Consider a $250,000 loan with a seven-year term. At the SBA 7(a) maximum rate for loans in the $50,001 to $250,000 tier (Prime + 6.00% = 12.75%), the monthly payment is approximately $4,514, producing total interest of approximately $129,180 over the life of the loan. At the lowest SBA tier spread applied to a larger loan (Prime + 3.00% = 9.75%), the same monthly structure on $250,000 yields roughly $4,118 per month and approximately $95,920 in total interest. The spread difference of 3.00 percentage points costs approximately $33,265 in additional interest, or about $396 per month. Widening the comparison to the full SBA spread range (3.00% to 6.50%), the gap between the lowest and highest maximum rates on a $250,000 seven-year loan is approximately $38,970 in total interest, or $464 per month.
These figures illustrate why rate negotiation matters more than rate watching. A borrower who tracks the Prime Rate and celebrates a 75 bps cut (which occurred across the July and September 2025 FOMC meetings, bringing Prime from 7.50% to 6.75%) saved roughly $1,875 per year on a $250,000 loan. That same borrower, by negotiating a 1.00 percentage point reduction in their spread, would save approximately $2,500 annually. The spread is the larger lever, and unlike the benchmark, it is negotiable.
Estimates assume standard amortization with level monthly payments. Actual loan structures, fees, and compounding methods vary by lender and program.
For products outside the benchmark framework, the comparison is even more stark. A $250,000 merchant cash advance with a 1.30 factor rate costs $75,000 in fees over roughly six months, equivalent to a calculated effective APR far exceeding any spread-based loan. Understanding whether a financing product uses benchmark-plus-spread pricing or flat-fee pricing is the first question any borrower should answer before comparing offers.
What to Watch
The next FOMC meeting on May 6-7, 2026 will determine whether the Fed Funds target range holds at 3.50% to 3.75% or moves lower. Any cut flows directly into Prime-based loan rates, but does not change spreads. A 25 bps cut saves roughly $625 per year on a $250,000 loan; a 1.00 percentage point spread negotiation saves four times that. Borrowers should monitor spread behavior, not just benchmarks. When banks tighten lending standards, spreads tend to widen even if benchmarks hold steady, because lenders demand more compensation for perceived risk. Conversely, competitive pressure among SBA lenders can push actual rates well below the published ceilings, particularly for loans above $350,000 where the 3.00% maximum spread leaves room to undercut. The business loan interest rates data hub tracks these dynamics across product categories.