Florida Medicaid ex parte renewal share, August 2026

Ex parte share measures how much of the renewal burden the state carries instead of the beneficiary. It trends with data-matching infrastructure, which improves in vendor-release steps rather than smoothly.

Latest 38.9 (02/26); mean monthly change over trailing window 1.10pp; damped six-month projection = 42.2.

Half-weight trend continuation with volatility-scaled uncertainty; renewal cohorts differ month to month, so the interval is wider than the point trend alone would suggest.

The resolver is a Florida state row, not a national weighted average: the original first-publication August 2026 reporting-period row in the CMS eligibility processing dataset. The target is the share of completed renewals processed ex parte, reported in percent and rounded to one decimal.

Base-rate/reference-class anchor: the most relevant outside view is Florida's own recent first-print run for this CMS eligibility-processing series. The five observed points average 36.8 percent, the latest three average 37.9 percent, and the latest inspected value is 38.9 percent, so latest-value persistence with limited trend continuation is the prior.

Level, momentum, and mechanism: Florida is not near a high-automation ceiling, so there is room for improvement. The September-to-February recovery supports a mild upward update, but the January-to-February dip and lack of concrete Florida-specific policy evidence argue against carrying the full trend through August.

Prior/update/interval: prior model is Florida latest-value persistence, using five inspected observations from 2025-07, 2025-09, 2025-11, 2026-01, and 2026-02. Starting from latest inspected 38.9 percent, I add +1.0 pp for damped recovery from the 2025 trough and +0.5 pp for judgmental automation/compliance drift, yielding 40.4. The 80% interval is judgmentally calibrated from the sparse five-point Florida sample and widened for missing March-August first prints, not statistically estimated from a large sample.

Counter-consideration: the forecast could be too high if Florida's January 39.4 and February 38.9 values are a temporary cohort mix rather than a new level. Upside outside the interval would require a major system or matching improvement that lifts the August first print above 48.3 percent; downside outside the interval would require a manual-heavy cohort, data-source outage, eligibility-system issue, or reporting break pushing the share below 33.8 percent.

Point calculation: 38.9 latest inspected value + 1.0 pp damped recent recovery + 0.5 pp judgmental automation/compliance drift = 40.4 percent. Interval calculation: observed low-to-high range is 39.4 - 32.5 = 6.9 pp, and observed move range is from -5.3 to +3.9 = 9.2 pp; I use about 6.6 pp lower and 7.9 pp upper half-widths for six-month first-print uncertainty, yielding 33.8 to 48.3 after one-decimal rounding.

Resolution-date note: the canonical ledger target uses 2026-12-15. The checked CMS release context supports the official data.Medicaid.gov monthly release vehicle and the three-to-four-month publication lag, but I did not find a separate public future-dated CMS placeholder for the exact August 2026 Florida row; the forecast remains tied to the registered first-print CMS target.

Review disposition: accepted the critique that the previous upward adjustment was weakly grounded in Florida-specific evidence, so I reduced and reframed it as modest judgmental drift; accepted clarifications that the February 2026 value is latest inspected and that the interval is sparse-sample judgmental calibration.