Section
Analysis
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Analysis
Does Closing a Credit Card Hurt Your Credit? Four Ways to Read the Same Math
Closing a card changes two scoring inputs and leaves a third mostly intact. Here is the straight answer, the plain-language version, the optimizer's arithmetic, and the case against closing at all.
CCA Research Desk · 3 weeks ago
Analysis
Premium Annual Fees: Why Cardholders Aren't Blinking at the Latest Increases
As issuers shift toward lifestyle-heavy benefit bundles, the math for the average traveler is getting more complex. We analyze the real-world value of 'coupon book' card structures in a high-inflation economy.
CCA Research Desk · 4 weeks ago
Analysis
The Great Devaluation: A Post-Mortem on Fixed Value Systems
When every transaction is optimized, the bank's spread narrows to a margin that cannot sustain 3% effective cash back. The era of generous fixed-value rewards is closing.
CCA Research Desk · August 8, 2026