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Processors don’t just count disputes. See your chargeback ratio by count, by dollars, and blended, the way processors measure it, plus the Visa and Mastercard versions and how many more disputes you can absorb this month.
Use one calendar month from your processing statement. The first four fields are required, because processors look at chargebacks by count and by dollars.
Optional: see the Visa and Mastercard versions
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How processors look at it
By count
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Chargebacks ÷ transactions
By dollars
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Chargeback $ ÷ sales $
Blended rate
—
Average of count and dollars
How the card brands look at it
Visa VAMP style
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Add fraud reports to see this
Mastercard style
—
Add last month’s transactions to see this
| Visa VAMP excessive 1.5% and 1,500+ combined fraud reports and disputes | |
| Mastercard Excessive (ECM) 1.5% and 100+ chargebacks in a month | |
| Mastercard High Excessive (HECM) 3% and 300+ chargebacks in a month |
Your chargeback budget this month (by count)
Estimates for planning only. Card brands calculate official ratios from their own data, and VAMP counts only card-not-present Visa transactions. Every processor sets its own limits and decides whether to look at count, dollars, a blended rate, or all three, and those limits can be stricter or more flexible than the card brands’.
A number on a calculator is a starting point. What matters is why the disputes are happening, how your processor is likely to react, and whether you’re with a bank that fits your risk level.
Send us your info and we’ll look at your ratio, your dispute reasons, and your processor’s terms, then tell you plainly what we’d do. Sometimes that’s a few billing fixes. Sometimes it’s alerts and a mitigation plan. Sometimes it’s a processor that’s a better fit for your business.
No cost and no obligation, and if you’re fine where you are, we’ll tell you that too.
Free review. No long-term contracts. A straight answer on your chargeback exposure.
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Reserve increases, delayed deposits, and “chargeback reduction plan” emails are usually the step before a shutdown. Call us before your next statement closes.
Definition
A chargeback ratio is the share of your card sales that turn into disputes in a given month. It’s usually shown as a percentage or in basis points, where 1% equals 100 basis points. Card brands, acquiring banks, and processors all use it as the main measure of how risky a merchant account is.
The catch is that everyone measures it a little differently. Processors usually look at some combination of these three:
By count
Chargebacks ÷ transactions
30 disputes on 4,000 sales = 0.75%
By dollars
Chargeback $ ÷ sales $
$4,500 disputed on $250,000 = 1.8%
Blended rate
(Count ratio + dollar ratio) ÷ 2
0.75% and 1.8% blend to about 1.28%
The card brands use their own versions, based on count:
Visa VAMP
(Fraud reports + disputes) ÷ settled CNP transactions
A fraud report that becomes a dispute counts twice
Mastercard
This month’s chargebacks ÷ last month’s transactions
A slow month makes the ratio jump
A merchant can look fine by count and be in trouble by dollars, or the other way around. That’s why our calculator asks for both.
These are the card brand monitoring programs most merchants are measured against. Hitting both the ratio and the minimum count is what puts a merchant into a program.
| Program | Ratio | Minimum Count | What It Measures |
|---|---|---|---|
| Visa VAMP Merchant Excessive | 1.5% 2.2% in CEMEA | 1,500 combined fraud reports and disputes per month | (TC40 fraud reports + disputes) ÷ settled card-not-present transactions |
| Mastercard ECM Excessive Chargeback Merchant | 1.5% | 100 chargebacks per month | Chargebacks ÷ prior month’s transactions |
| Mastercard HECM High Excessive Chargeback Merchant | 3.0% | 300 chargebacks per month | Chargebacks ÷ prior month’s transactions |
| Visa VAMP Acquirer Above Standard / Excessive | 0.5% to 0.7% / 0.7%+ | Measured across the acquirer’s whole portfolio | The bank’s overall VAMP ratio, not one merchant’s |
Notice the minimum counts. A merchant with 8 chargebacks on 300 transactions has a 2.67% ratio, well above the 1.5% line, but nowhere near 100 or 1,500 disputes. Visa and Mastercard programs wouldn’t apply. Their processor’s rules still would, and that’s where most small and mid-size merchants actually get shut down.
What it costs: Visa can assess fees per disputed or fraudulent transaction on merchants in the excessive tier, and Mastercard’s program fees escalate each month a merchant stays in it. Processors typically pass those costs to the merchant, on top of any reserve or funding changes they make.
Thresholds summarized from Visa and Mastercard program guidance as of 2026. VAMP’s 1.5% merchant threshold took effect April 1, 2026 in the US, Canada, Europe, Asia Pacific, and Latin America. Card brand rules change, so confirm with your processor. For a deeper look at VAMP, see chargeback mitigation and VAMP consulting.
Here’s what a lot of merchants don’t realize: staying under Visa and Mastercard’s 1.5% doesn’t mean your processor is happy. Every acquiring bank and processor writes its own chargeback rules into your merchant agreement, and those rules can be stricter or more flexible than the card brands’.
They often measure differently, too. The card brands count disputes. Many processors also look at your chargeback ratio by dollars, or a blended rate that averages count and dollars, and they apply it to merchants of every size, not just the ones big enough to hit card brand minimum counts.
Common with payment facilitators, low-risk acquirers, and banks protecting a mostly low-risk portfolio.
Common with high-risk acquirers and banks that underwrite your industry on purpose.
Why would a bank be stricter than Visa? Because the bank is measured too. Under VAMP, an acquirer’s entire portfolio gets flagged at 0.5% to 0.7%, far below the 1.5% merchant line. A bank with a lot of low-risk merchants can’t afford a few high-ratio accounts dragging its number up, so it sets tighter limits for everyone.
Where acquirer portfolios get flagged
Some banks keep individual merchants near or under this to protect their own standing.
Visa’s old early-warning level
Retired by Visa, but some processors still use it as an internal trigger.
A common processor warning range
Many processors start asking for explanations, reserves, or a reduction plan here.
Visa VAMP and Mastercard ECM
Card brand programs apply once minimum counts are met. Most mainstream processors act by now, whatever your size.
Mastercard HECM
Most processors would close an account here, though a few specialty banks still work with the right merchant, reserve, and plan.
Where The Merchant Guru comes in: we work with 15+ banking partners, low-risk and high-risk, and we know how each one treats chargeback ratios. If your current processor’s line is tighter than your business can realistically hit, we can match you with one whose risk tolerance fits, before a reserve or a shutdown forces the decision.
Ranges above reflect common industry practice, not any single processor’s rules, and may be applied by count, by dollars, or blended. Your merchant agreement is what actually applies to you.
Processors rarely jump straight to closing an account. Most escalate in steps, and every step costs you cash flow:
The earlier you act, the more options you have. A merchant at 0.9% has leverage. A merchant on the MATCH list has very little. Learn more about how reserves work and what a MATCH listing means.
The number on your processor’s dashboard isn’t always the number that gets you in trouble. These are the gaps we see most often:
| What Happens | Why It Raises Your Ratio |
|---|---|
| Fraud reports count separately | Under VAMP, a TC40 fraud report and the dispute that follows can both count, so one bad order can count twice. |
| A slow sales month | Mastercard divides this month’s chargebacks by last month’s transactions. If sales dip, the same disputes produce a higher ratio. |
| Disputes lag sales | Chargebacks often arrive 30 to 90 days after the sale, so a busy month can turn into a bad ratio two months later. |
| Refunds don’t erase disputes | Refunding a customer after they’ve filed a chargeback doesn’t remove the dispute from your count. |
| Big tickets get disputed more | Your ratio by count can look fine while your ratio by dollars is high, and underwriters look at both. |
| Free trials and rebills | Customers who forget a trial converted often dispute instead of asking for a refund. |
| Small accounts get judged on ratio alone | Card brand programs have minimum counts. Most processors don’t, so a handful of disputes on a smaller account can be enough to get flagged. |
Want to see how this plays out for subscriptions? Read how VAMP affects recurring billing businesses.
Most merchants can bring their ratio down meaningfully within a few billing cycles by working in this order:
Quick wins: a billing descriptor customers recognize, a support phone number on the receipt, clear refund terms at checkout, and reminder emails before trial conversions or renewals.
Need the full playbook? See our chargeback mitigation services and 12 proven ways to reduce chargebacks.
Most processors tell you your ratio is too high. We tell you why, what to do about it, and which banks will work with you while you fix it.
Low-risk and high-risk banks with different chargeback tolerances.
Alerts, dispute response, and root-cause fixes under one roof.
We explain your processor’s chargeback terms before they surprise you.
Every rate, reserve, and fee explained before you sign.
Call and talk to someone who already knows your file.
One of the most common calls I get starts with, “But I’m under 1%, so why is my processor holding my money?” The answer is almost always in the merchant agreement. The card brands set the outer limit, but your processor decides where its own line is, and some draw it a lot tighter than others.
The flip side is good news. There are banks that understand high-risk businesses and give you room to fix a ratio instead of shutting you down at the first spike.
If your number is creeping up, run it through the calculator and then give me a call. I’ll tell you honestly whether it’s a quick fix, a mitigation project, or a sign you’re with the wrong processor.
Russell Silva, Founder, The Merchant Guru
Divide the number of chargebacks you received in a month by the number of settled transactions in that month, then multiply by 100. For example, 30 chargebacks on 4,000 transactions is a 0.75% chargeback ratio, or 75 basis points.
Under about 0.65% is generally considered healthy, by count and by dollars, and many well-run merchants stay under 0.5%. Visa and Mastercard programs start at 1.5%, but many processors set their own warning lines lower, often somewhere around 0.9% to 1%.
For the card brands, 1.5% plus the minimum count puts you into Visa VAMP or Mastercard’s Excessive Chargeback Program, and 3% with 300 or more chargebacks puts you into Mastercard’s High Excessive tier. For your processor, “too high” is whatever your merchant agreement says, which can be lower.
Yes. Processors and acquiring banks set their own risk rules, and many are more conservative than the card brands because the bank’s whole portfolio is measured too. Some high-risk processors are more flexible and will work with higher ratios if the account has a reserve or a mitigation plan.
VAMP adds TC40 fraud reports to disputes and divides by settled card-not-present Visa transactions. Because a fraud report and the dispute that follows can both count, your VAMP ratio is often higher than your simple chargeback ratio.
Mastercard divides the chargebacks received this month by the number of transactions from the previous month. A slow sales month can push your ratio up even if the number of disputes stays the same.
A refund issued before a dispute is filed prevents the chargeback, so it helps. A refund issued after the dispute is filed does not remove it from your count. That’s why pre-dispute alerts like Verifi RDR and Ethoca are so effective.
Both. Card brand programs measure by count, but many processors also look at your ratio by dollars, or a blended rate that combines the two. A merchant with a healthy count ratio can still get flagged if the disputed orders are the big ones.
A blended chargeback rate averages your ratio by count and your ratio by dollars. For example, a 0.8% count ratio and a 1.6% dollar ratio blend to 1.2%. Some processors use it to get a single view of both how often you’re disputed and how much money is at stake.
Yes. Visa VAMP needs 1,500 combined fraud reports and disputes, and Mastercard’s program needs 100 chargebacks, so many smaller merchants never qualify for a card brand program. Processors don’t have to wait for that. Many will add a reserve, hold funds, or close an account based on ratio alone, whether by count, by dollars, or blended.
Processors usually escalate in steps: warnings, larger reserves, delayed funding, volume caps, a required reduction plan, and finally termination. Merchants terminated for excessive chargebacks can be added to the MATCH list, which makes getting a new account much harder.
Many merchants see real improvement within one to three billing cycles once alerts are in place and the main causes are fixed. Because disputes can arrive up to several months after a sale, it takes a little time for older sales to work through.
Yes. We review your dispute data and your processor’s terms, put a mitigation plan in place, and if needed, help you move to a bank that fits your risk profile. We can’t promise an approval, but the sooner you call, the more options there usually are.
Don’t wait for the warning email. Send us your numbers and we’ll tell you where you stand with the card brands, how your processor is likely to see it, and what we’d do next.
Free chargeback review. No long-term contracts. No hidden fees.
By submitting this form, you are acknowledging and consenting to our terms.
We do not distribute your information
