Report|12 Jun 2026

U.S. RMBS Credit Indices: May 2026

KBRA’s U.S. RMBS Credit Indices (KCIs) track early- (30-59 days), mid- (60-89 days), and late-stage (90+ days) delinquencies,1 observed modifications, prepayment speeds, and other performance metrics across five major RMBS 2.0 subsectors: prime, non-prime, low loan-to-value (LTV) credit risk transfer (CRT), high LTV CRT, and home equity line of credit/closed-end second lien (HELOC/CES) pools. The link to the data shown in this report and other index metrics can be found here.

Monthly Overview

KCI readings in May showed stronger month-over-month (MoM) credit performance across the RMBS 2.0 subsectors. Early-stage delinquency rates declined MoM in three subsectors, including an 11-basis point (bp) decrease in the prime index. Mid-stage delinquencies also improved, with levels declining across all indices except prime, which increased 1 bp.…

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