Debit Upgrade Costs Hidden in Half Point

A half point in false declines reveals real debit upgrade costs.

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Sep 30, 2026

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Debit Upgrade Costs Hidden in Half Point

A half point in false declines reveals real debit upgrade costs.

In brief

A half point in false declines reveals real debit upgrade costs. A 0.50 percentage point reduction in false declines saves 50,000 monthly transactions for institutions with 10 million debit attempts. Originally reported by Pymnts.

Debit Processor Migration Costs

A debit processor migration can look successful on a project plan and still create problems at the checkout counter.

Hidden Costs Beyond Processor Fees

The report finds that outdated debit infrastructure can create costs well beyond processor fees, including false declines, manual exception work, fraud losses and slower product launches.

Wallet Tokens Need Migration Plan

Wallet Tokens Need Migration Plan

Customers using Apple Pay or Google Wallet expect their debit cards to keep working regardless of what happens behind the scenes.

Smaller Cohorts Expose Trouble Early

The report recommends starting with lower-risk accounts, then moving into higher-usage, wallet-heavy and dispute-prone customer groups before broad conversion.

Conversion Isn’t the Finish Line

Banks still need to watch authorization rates, false declines, fraud losses, exception volumes, complaints and wallet-token health.

Real Cost of 0.50 Percentage Point

A modeled portfolio with 10 million monthly debit attempts and 0.50 percentage points of avoidable false declines would lose 50,000 good transactions.

Here's the gist

A 0.50 percentage point reduction in false declines saves 50,000 monthly transactions for institutions with 10 million debit attempts.

Read the original on Pymnts

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