diff --git a/crates/ml/examples/evaluate_baseline.rs b/crates/ml/examples/evaluate_baseline.rs
index eb8c57014..c9b92abd1 100644
--- a/crates/ml/examples/evaluate_baseline.rs
+++ b/crates/ml/examples/evaluate_baseline.rs
@@ -1340,10 +1340,22 @@ fn evaluate_dqn_fold_gpu(
         ..Default::default()
     };
 
-    // Single window = full test fold
+    // Single window = full test fold. Build zero-OFI LobBar SoA for the
+    // SP15 cost-net pipeline — eval-path lacks per-bar OFI features, so the
+    // OFI-impact term degrades to 0 (commission + half-spread × position
+    // still apply). Same degradation pattern as the PPO hyperopt adapter.
+    let lob_bars: Vec<ml::cuda_pipeline::lob_bar::LobBar> = prices
+        .iter()
+        .map(|ohlc| ml::cuda_pipeline::lob_bar::LobBar {
+            price: ohlc[3], // close
+            spread: gpu_config.spread_cost,
+            ofi: 0.0,
+        })
+        .collect();
     let mut evaluator = GpuBacktestEvaluator::new(
         &[prices],
         &[features],
+        &[lob_bars],
         market_feature_dim,
         gpu_config,
         &stream,
@@ -1638,9 +1650,19 @@ fn evaluate_ppo_fold_gpu(
         ..Default::default()
     };
 
+    // Zero-OFI LobBar SoA — see DQN fold above for rationale.
+    let lob_bars: Vec<ml::cuda_pipeline::lob_bar::LobBar> = prices
+        .iter()
+        .map(|ohlc| ml::cuda_pipeline::lob_bar::LobBar {
+            price: ohlc[3],
+            spread: gpu_config.spread_cost,
+            ofi: 0.0,
+        })
+        .collect();
     let mut evaluator = GpuBacktestEvaluator::new(
         &[prices],
         &[features],
+        &[lob_bars],
         market_feature_dim,
         gpu_config,
         &ppo_stream,
@@ -1799,9 +1821,19 @@ fn evaluate_supervised_fold_gpu(
         ..Default::default()
     };
 
+    // Zero-OFI LobBar SoA — see DQN fold above for rationale.
+    let lob_bars: Vec<ml::cuda_pipeline::lob_bar::LobBar> = prices
+        .iter()
+        .map(|ohlc| ml::cuda_pipeline::lob_bar::LobBar {
+            price: ohlc[3],
+            spread: gpu_config.spread_cost,
+            ofi: 0.0,
+        })
+        .collect();
     let mut evaluator = GpuBacktestEvaluator::new(
         &[prices],
         &[features],
+        &[lob_bars],
         market_feature_dim,
         gpu_config,
         &sup_stream,