diff --git a/config.py b/config.py
index 8fb8e70..c8dc843 100755
--- a/config.py
+++ b/config.py
@@ -117,8 +117,12 @@ class SignalConfig:
     default_risk_pct: float = 1.0
     default_rr_ratio: float = 2.0
     atr_sl_multiplier: float = 1.5
-    min_rr_ratio: float = 0.4
-    tp_tightening_factor: float = 0.8
+    min_rr_ratio: float = 0.5
+    # TP tightening (May 2026) was tuned on the pre-spread backtester.
+    # Re-tested 2026-07-08 with $0.30 spread + gap fills: 0.8 nearly
+    # halves total R (+36.1R vs +66.8R, worse in both train/val halves)
+    # — smaller wins make the fixed spread a larger share of every TP.
+    tp_tightening_factor: float = 1.0
 
 
 @dataclass
diff --git a/test_all.py b/test_all.py
index 48cfb62..96d8899 100644
--- a/test_all.py
+++ b/test_all.py
@@ -167,8 +167,8 @@ def _():
 def _():
     sc = SignalConfig()
     assert sc.min_confidence == 55.0
-    assert sc.min_rr_ratio == 0.4
-    assert sc.tp_tightening_factor == 0.8
+    assert sc.min_rr_ratio == 0.5
+    assert sc.tp_tightening_factor == 1.0
     assert sc.atr_sl_multiplier == 1.5
     assert sc.default_rr_ratio == 2.0
     assert sc.cooldown_bars == 5