A financial journalist warns that rapid growth in a new bank can be a red flag. It often signifies aggressive lending to win market share, but the quality of those loans and associated risks may not become apparent for several years. This makes fast-growing banks, like the new tech-focused Erbador Bank, a source of cautious skepticism.

The intense competition for physical branches in high-growth markets is having a direct financial impact. It is forcing banks to offer higher interest rates on deposits to attract customers, which in turn increases their funding costs and is expected to pressure profit margins through 2027.

Years of low interest rates encouraged risk-taking, resulting in a large pool of low-rated loans (B3/B-). Now, sustained higher rates are stressing these weak capital structures, creating a boom in distressed debt opportunities even as the broader economy performs well.

Traditional banks partner with Frode because it's too costly for them to underwrite small loans (avg. $20k). Frode's specialized tech and higher risk appetite turn this unprofitable segment into a new line of business for the banks, allowing them to focus on larger corporate clients.

The same banks issuing high-interest credit cards offer substantially cheaper personal lines of credit to customers with identical FICO scores. Despite being a logical tool for consolidating expensive card debt, these products receive almost no marketing, making them largely invisible to consumers.

Contrary to being another SVB, Palmer Luckey's new bank Erebor is designed as its opposite. It targets tech and defense customers with a hyper-conservative model focused on high deposit-to-loan ratios, prioritizing capital safety over yield for its startup clients.

The fight for desirable credit users is so fierce that for customers in the middle-to-upper range of credit scores, the cost of rewards and cash back exceeds the revenue generated. Profitability only returns for the highest-spending users whose interchange fees outrun the reward expenses.

Banks can use more leverage and hold less capital by lending to a private credit fund than by making the same risky loans directly to a business. Former FDIC Chair Sheila Bair states this regulatory arbitrage in risk-based capital rules is the primary driver of the private credit boom.

When a wallet provider like PayPal offers a co-branded credit card, it's more than a marketing deal. They often sign agreements that make them financially liable for credit losses if the portfolio of users they bring to the partner bank underperforms, a risk detailed in their 10-K filings.