diff --git a/backend/app/services/analytics_queries.py b/backend/app/services/analytics_queries.py
index b3e6cdf9..2fcb98d8 100644
--- a/backend/app/services/analytics_queries.py
+++ b/backend/app/services/analytics_queries.py
@@ -1454,13 +1454,19 @@ def _district_velocity_trend(db: Session, *, district_name: str) -> tuple[float
         db.execute(
             text(
                 """
+                -- #1203: rolling 6mo/6mo окна относительно NOW(), а не
+                -- захардкоженных дат 2025. С хардкодом recent-окно росло
+                -- безгранично (ETL еженедельно доливает report_month) → на
+                -- июнь 2026 recent ≈ 11-12мес vs prior=6мес → ratio ≈ 2.0
+                -- → trend_factor навсегда упирался в кап 2.0 → bucket_velocity
+                -- ×2 → months_to_sellout занижен ×2 в живом recommend_mix.
                 SELECT
                     SUM(crm.deals_total_count)
-                        FILTER (WHERE crm.report_month >= DATE '2025-07-01')
+                        FILTER (WHERE crm.report_month >= NOW() - INTERVAL '6 months')
                         AS recent,
                     SUM(crm.deals_total_count)
-                        FILTER (WHERE crm.report_month BETWEEN DATE '2025-01-01'
-                                AND DATE '2025-06-30')
+                        FILTER (WHERE crm.report_month >= NOW() - INTERVAL '12 months'
+                                AND crm.report_month <  NOW() - INTERVAL '6 months')
                         AS prior
                   FROM objective_corpus_room_month crm
                  WHERE crm.district = :dn