{"methodologyVersion":"fh-observatory-v3","indexBase":100,"cohortDefinition":"Monthly canonical observations from healthy providers eligible for the stable 90-day cohort.","points":[{"date":"2026-09-01","inventoryIndex":100,"providerMedianRent":null,"observedListings":3735,"stableProviderCount":3,"isComparable":true,"qualityFlags":[],"apartments":{"medianMonthlyRent":1590,"observedListings":2602},"rooms":{"medianMonthlyRent":690,"observedListings":1133}},{"date":"2026-10-01","inventoryIndex":120.8,"providerMedianRent":null,"observedListings":4513,"stableProviderCount":4,"isComparable":true,"qualityFlags":[],"apartments":{"medianMonthlyRent":1555,"observedListings":2619},"rooms":{"medianMonthlyRent":699,"observedListings":1894}}]}