diff --git a/app/services/macro/scoring.py b/app/services/macro/scoring.py
index 977de0f..1bc5003 100644
--- a/app/services/macro/scoring.py
+++ b/app/services/macro/scoring.py
@@ -74,11 +74,16 @@ def _eth_btc_signal(v: Optional[float]) -> Optional[float]:
 
 
 def _stablecoin_supply_signal(v: Optional[float]) -> Optional[float]:
-    """Absolute supply tells us little day-over-day; we need the delta. Since
-    this scorer sees only the snapshot, we treat presence as 0 and let the
-    visual chart show the trend. Returns 0 if we have any value at all."""
-    if v is None: return None
-    return 0.0    # contribution = 0 until we wire in a trend lookup
+    """Absolute supply tells us little day-over-day; we need the delta, which
+    this snapshot-only scorer doesn't have yet.
+
+    Return None (NOT 0.0) so this indicator is EXCLUDED from the weighted sum
+    and its weight is renormalised away — exactly the "a dead indicator must
+    not drag the score toward zero" rule stated in the module docstring.
+    Returning 0.0 would keep its 0.05 weight in the denominator and silently
+    compress every other indicator's contribution. Wire in a trend lookup to
+    re-activate it."""
+    return None
 
 
 def _etf_flow_signal(v: Optional[float]) -> Optional[float]:
@@ -95,9 +100,10 @@ def _etf_flow_signal(v: Optional[float]) -> Optional[float]:
 
 def _open_interest_signal(v: Optional[float]) -> Optional[float]:
     """OI in isolation doesn't tell us direction — we'd need OI vs price
-    correlation. Until we have a trend window, contribute 0."""
-    if v is None: return None
-    return 0.0
+    correlation. Return None (NOT 0.0) until we have a trend window, so this
+    indicator is excluded + its weight renormalised away rather than diluting
+    every other indicator. (Same reasoning as _stablecoin_supply_signal.)"""
+    return None
 
 
 # Weights (sum to 1.0 across all). When an indicator is missing, we drop its