If the credit card interest rate were capped at 10%, which parts of today’s card economics break first—and who absorbs that pressure: issuers, networks, merchants, or consumers?
Matthew Goldman, Founder of Totavi and author of CardsFTW: Issuers and sub-prime consumers will be most heavily impacted by a 10% cap. Although a cap is positioned as a way to improve affordability for borrowers, the reality is that card issuers will simply start accepting only the highest quality borrowers, leaving sub-prime consumers without a relatively easy way to access credit.
John Cabell, Managing Director, Payments Intelligence at J.D. Power: Issuers would likely be affected immediately with the loss of interest revenue, which subsidizes the entirety of credit card pricing, rewards, and benefits offered. The result may be less generous features and offerings or a reduction or even an elimination of credit offered for consumers. In fact, the effects may not be felt by those with relatively low incomes or who are otherwise struggling. The relatively well-off could see changes, too.
Ilir Salihi, Senior Editor, Income Insider: Issuers lose most of their profit on revolving balances first. To compensate, they will trim rewards, tighten credit access, and either add or raise fees. Card networks and merchants will feel less because interchange doesn’t change, but I expect consumers to notice fewer perks and lower credit limits on approved cards. If issuers can’t price higher risk with a higher APR above 10%, that risk will necessarily be managed by other means.
Tony Kueh, COO, DataVisor: Issuer margin breaks first. Networks and merchants get pressured on interchange and incentives, but they don’t lead the hit. Issuers reprice through rewards, approvals, and fees, and consumers feel it through fewer perks and tighter access. The difference is having a risk platform flexible enough to defend P&L.
Tony DeSanctis, Senior Director, Cornerstone Advisors: Consumers by far will absorb the greatest pressure from the cap. The issuers will need to adjust their offerings and pricing to support the new economic reality. Many marginal customers will have their cards closed, and rewards will likely be reduced significantly, impacting not only sub-prime customers but potentially super-prime customers, as well.
How would a 10% cap change underwriting and access to credit for subprime and near-prime consumers—do we see smarter risk pricing, or a quiet pullback from higher-risk segments?
Tony DeSanctis: A 10% cap would virtually eliminate access to credit for subprime and near-prime consumers. Approval rates would likely drop from mid 50s to less than 20% for most institutions.
John Cabell: A cap would likely reduce access to credit for financially challenged cardholders. Depending on the speed of any cap being enacted, issuers may reduce credit access to mitigate risk rapidly or in a phased approach.
Ilir Salihi: I expect to see fewer approvals, lower starting limits, and faster line cuts if behavior slips, as well as more secured cards than before. To avoid accounts that can’t be priced for risk, lenders will significantly ramp up their income and cash flow verification processes.
Matthew Goldman: A 10% cap may have the unintended consequence of pushing the most vulnerable consumers towards even more predatory lenders as legitimate card issuers reject all but the highest quality borrowers. At 10%, the math simply doesn’t work for a credit card. With the Prime rate above 6.5%, 3.5% in losses and 3-5% in operational costs, a 10% card is not profitable without fees.
Tony Kueh: A 10% cap forces tighter underwriting as margins compress. Banks without real-time controls restrict credit broadly, not surgically. Legacy systems requiring engineering for each rule change can’t support nuanced segmentation—so issuers abandon subprime or overtighten. Banks with adaptive infrastructure test strategies and refine quickly.
Credit card interest subsidizes massive, popular reward programs. Do any of those survive under a 10% rate, or do they all become economically unsustainable?
Ilir Salihi: Premium rewards would still survive a 10% APR cap, but they would be packaged in a much slimmer, pay-to-play form. All those doorcrasher perks, like 5% rotating categories or long 0% offers, are funded by revolving interest. With a 10% cap, more of those perks will migrate behind annual fees and fewer flashy promos will be viable.
Matthew Goldman: Rewards programs don’t automatically break under a 10% APR cap. The ones most likely to survive are tied to non-cash value. Issuers that own or control real assets (e.g., sports stadiums) or have strong partnerships with consumer brands (e.g., retailers or restaurants) can differentiate through perks such as priority access to games, exclusive restaurant reservations, or special museum entry. These experiential rewards cost less than cash, but feel valuable to consumers, making them a sustainable way to compete even with tighter margins.
Tony DeSanctis: If the interest rate does not reduce rewards, the reintroduction of the Credit Card Competition Act will definitely impact rewards.
Tony Kueh: We’ve seen this before. When margins compress, reward economics don’t disappear—they change. Issuers simplify programs, narrow eligibility, and get sharper about where incentives actually drive profitable behavior. The excess gets stripped out. That works best when your risk platform can flex fast enough to protect margin.
John Cabell: It is likely that premium cards would retain the rewards programs, but there may be increases in annual fees, and perhaps some mid-tier cards might evolve into higher fee premium products to maintain card perks. J.D. Power data indicates how much such rewards matter to some customers. For some, big changes would change how they view their relationship with their cards and issuers. How they respond isn’t clear, and it matters for the entire industry.
Would a lower rate accelerate a shift away from revolving credit altogether—pushing consumers toward BNPL, charge cards, or installment-based products?
Matthew Goldman: Yes, a rate cap—which limits the ability of credit card issuers to profitably offer this product—will shift borrowers to alternative products. These products will respond to increased demand (and potentially losses) with higher rates of their own.
Tony Kueh: Every time credit economics shift, behavior follows. We saw it with Durbin, overdraft reforms, and real-time payments. A lower rate wouldn’t kill revolving credit—it would rebalance the mix toward installments, BNPL, and pay-in-full models, with risk moving, not vanishing.
Ilir Salihi: Such a cap would certainly accelerate a shift away from revolving credit, as issuers will steer risk into products they can still price, such as BNPL and fixed-installment plans. I expect consumers to see more “pay in fixed amounts over XYZ months” offers and fewer traditional reward plays. When the headline APR shrinks, the payment plan and fees start mattering a lot more.
Tony DeSanctis: Lower interest rates could encourage consumers to shift away from using revolving credit accounts to make purchases, but it’s more likely that credit will tighten across the board as credit standards are raised. BNPL growth could explode as a result of lower rates since providers would not be subject to the credit card cap.
John Cabell: It is likely that a rate cap and resulting contraction of credit offered to lower score consumers would result in migration to alternative borrowing sources, such as BNPL and personal loans. It may also encourage a new suite of new charge card offerings with more rigid payment requirements with more modest rewards, benefits, and credit limits.
What other important effects should we be aware of?
Ilir Salihi: The real danger in a 10% APR cap is that it may force borrowers toward less-regulated lenders or fee-heavy alternative credit products. The policy intention is to get cheaper credit in the hands of American borrowers, but these changes could very well backfire and create less safe and more costly borrowing conditions for the vulnerable people the cap aims to help.
John Cabell: An interest rate cap alone may not matter all that much for satisfaction among cardholders. Simply put, many either aren’t hit by rate charges each month and/or aren’t aware of what their rate is. Almost half of U.S. cardholders with revolving card debt are not aware of their interest rate. It’s also still true that banks and issuers have different offerings and tools, like debt consolidation and features to help manage financial decisions, to assist the many consumers who are struggling.
John Cabell, Managing Director, Payments Intelligence at J.D. Power
Ilir Salihi, Senior Editor, Income Insider
Tony Kueh, COO, DataVisor
Tony DeSanctis, Senior Director, Cornerstone Advisors









The unintended consequences piece is really important here - capping APR sounds consumer-friendly but could push vulnerable borrowers toward worse options. What caught my attention is the math breakdown showing 10% barely covers Prime plus losses plus operations. We've seen this play out with payday lending regulations before where restrictions drove people underground. The rewards discussion was intresting too since most folks don't realize their cashback is subsidzed by revolvers?