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The fragile bull hypothesis part 2: how the cookie crumbles

T
Dec 25, 2025 · 06:21

Merry Christmas:

On part 1 you read how the current market is held up by flush consumer cash and money market. Part 2 you will see how it is more fragile than you think.

Saving rates collapse:
The K-Shaped recovery is turning into a K-Shaped exhaustion.
​Personal Saving Rate has fallen to 4.7% as of September 2025, with the 2025 year-to-date average sitting even lower at 4.4%.

This is historically dangerous territory. In the 1970s, this rate averaged 11.7%. We are currently saving at less than half the rate of previous generations.
​Consumers are maintaining their lifestyle (retail sales growth) not by earning more, but by saving less. This is mathematically unsustainable. When the savings rate hits 0%, spending must contract.

​Credit Stress:
​The Data: While the aggregate credit card delinquency rate is ~3.0% (Sept 2025), specific pockets are flashing red.

Serious delinquency rates in low-income zip codes have surged past 20% in 2025, a level of stress comparable to the 2008 crisis for that specific demographic.

The bottom 50% of earners have burned through their pandemic savings and are now maxing out leverage to survive inflation. The "average" is fine, but the foundation is rotting.

​The Yield Curve Signal (10Y-2Y Spread):
​The 10Y-2Y Treasury spread is now positive, sitting at +0.68% as of December 19, 2025 (10Y at 4.16%, 2Y at 3.48%).

​The curve was inverted (negative) continuously from July 2022 to August 2024.

Historically, the recession doesn't start when the curve inverts; it starts when it un-inverts (snaps back to positive) as the market demands Fed cuts. We are currently in that "snap back" danger zone.

We are in a bull market.
However this bull is exhausted. It is a porcelain bull. Fragile.