Will FITB's combined net charge-off ratio exceed 50bps for two or more quarters in 2026?

Standalone FITB NCOs declined to 40bps in Q4 2025 (7-quarter low). Commercial NCOs at 27bps, consumer at 59bps, both improving. Management guides 30-40bps for the combined entity. The Comerica loan book had 'very similar' marks to expectations. However, the combined entity inherits Comerica's post-SVB legacy and the 80% floating C&I portfolio creates borrower stress risk if rates stay elevated. The '2+ quarters' requirement makes this harder to trigger — a single bad quarter from a one-time event wouldn't resolve YES. Sustained credit deterioration would require a macro downturn.

The Comerica portfolio is the key unknown. While marks were described as 'very similar' to expectations, FITB has not yet managed this portfolio through a full quarter cycle. The 80% floating C&I creates a two-sided risk: if rates cut quickly, NIM compresses but borrower stress eases; if rates stay elevated, borrowers under pressure could default. The 'chronic postponement syndrome' language from the CEO suggests commercial clients face uncertainty. If a recession emerges, commercial NCOs could spike above 50bps quickly. The 302% ACL/NPA coverage provides a reserve cushion, but reserves don't prevent charge-offs — they absorb them.

The trend in credit quality is unambiguously positive: Q4 NCOs at 40bps (lowest in 7 quarters), commercial NPLs down 30% since Q1 2025, consumer charge-offs improving across nearly all classes, solar lending charge-offs declined 39bps sequentially. The Tricolor fraud ($178M) was genuinely one-time and the NDFI portfolio has been substantially de-risked ($600-700M balance reduction). The combined guidance of 30-40bps is conservative relative to standalone Q4 performance. Exceeding 50bps for 2+ quarters would require a significant external credit shock.

NCOs at 40bps and declining, with 302% reserve coverage. Guidance of 30-40bps for the combined entity. The 50bps threshold is 25-67% above guidance midpoint. Getting there for 2+ quarters requires sustained credit deterioration, not a one-time event. Credit cycle is normalizing favorably. Low probability.

I'm slightly more cautious than the base case because Comerica's loan book hasn't been stress-tested under FITB management. Comerica had 'more significant liquidity stress since March 2023' — the loan book may have credit pockets FITB hasn't fully assessed. The commercial real estate exposure in Texas markets and the 80% floating C&I portfolio create vulnerability. However, the purchase accounting marks should have already absorbed the worst credits. The 2-quarter requirement is the key protection.

The combination of improving standalone credit trends, conservative combined guidance, and the 2-quarter threshold makes this a low-probability event. The primary scenario where it triggers is a recession-driven credit cycle, which is possible but not the base case. The macro environment shows mixed signals — commercial clients postponing investment but not defaulting.

NCOs at 7-quarter lows, declining trend, conservative guidance. 50bps for 2+ quarters requires sustained deterioration. Very unlikely without macro shock.

Comerica portfolio adds uncertainty. 80% floating C&I is vulnerable. But 2-quarter requirement is protective. Modest probability.

Strong credit trends, conservative guidance, high reserve coverage. Low probability of sustained charge-off spike.