diff --git a/infra/k8s/argo/precompute-features-template.yaml b/infra/k8s/argo/precompute-features-template.yaml
new file mode 100644
index 000000000..272ddfd5b
--- /dev/null
+++ b/infra/k8s/argo/precompute-features-template.yaml
@@ -0,0 +1,123 @@
+# Pre-compute DQN training features to .fxcache format.
+#
+# Runs after data downloads complete. Reads DBN files from training-data PVC,
+# extracts all features (OHLCV 42-dim + targets 4-dim + OFI 8-dim), writes
+# flat binary cache for zero-overhead GPU loading.
+#
+# Usage:
+#   argo submit -n foxhunt --from=wftmpl/precompute-features
+#   ./scripts/argo-precompute.sh ES.FUT --bf16
+---
+apiVersion: argoproj.io/v1alpha1
+kind: WorkflowTemplate
+metadata:
+  name: precompute-features
+  namespace: foxhunt
+  labels:
+    app.kubernetes.io/name: precompute-features
+    app.kubernetes.io/part-of: foxhunt
+spec:
+  entrypoint: precompute
+  serviceAccountName: argo-workflow
+  podMetadata:
+    labels:
+      app.kubernetes.io/part-of: foxhunt
+      app.kubernetes.io/component: precompute-features
+  securityContext:
+    fsGroup: 1000
+  ttlStrategy:
+    secondsAfterCompletion: 3600
+  activeDeadlineSeconds: 7200
+
+  arguments:
+    parameters:
+      - name: symbol
+        value: ES.FUT
+      - name: data-dir
+        value: /data/futures-baseline
+      - name: mbp10-dir
+        value: /data/futures-baseline-mbp10
+      - name: trades-dir
+        value: /data/futures-baseline-trades
+      - name: output-dir
+        value: /data/feature-cache
+      - name: node-pool
+        value: ci-compile-cpu
+      - name: bf16
+        value: "false"
+
+  volumes:
+    - name: training-data
+      persistentVolumeClaim:
+        claimName: training-data-pvc
+
+  templates:
+    - name: precompute
+      inputs:
+        parameters:
+          - name: symbol
+          - name: data-dir
+          - name: mbp10-dir
+          - name: trades-dir
+          - name: output-dir
+          - name: node-pool
+          - name: bf16
+      nodeSelector:
+        k8s.scaleway.com/pool-name: "{{inputs.parameters.node-pool}}"
+      container:
+        image: ubuntu:24.04
+        command: ["/bin/bash", "-c"]
+        env:
+          - name: RUST_LOG
+            value: info
+        resources:
+          requests:
+            cpu: "4"
+            memory: 8Gi
+          limits:
+            cpu: "16"
+            memory: 32Gi
+        volumeMounts:
+          - name: training-data
+            mountPath: /data
+        args:
+          - |
+            set -e
+            BINARY=/data/bin/precompute_features
+            chmod +x "$BINARY"
+
+            SYMBOL="{{inputs.parameters.symbol}}"
+            DATA_DIR="{{inputs.parameters.data-dir}}"
+            MBP10_DIR="{{inputs.parameters.mbp10-dir}}"
+            TRADES_DIR="{{inputs.parameters.trades-dir}}"
+            OUTPUT_DIR="{{inputs.parameters.output-dir}}"
+            BF16="{{inputs.parameters.bf16}}"
+
+            BF16_FLAG=""
+            if [ "$BF16" = "true" ]; then
+              BF16_FLAG="--bf16"
+            fi
+
+            echo "=== Feature Pre-Compute ==="
+            echo "Symbol:  $SYMBOL"
+            echo "OHLCV:   $DATA_DIR"
+            echo "MBP-10:  $MBP10_DIR"
+            echo "Trades:  $TRADES_DIR"
+            echo "Output:  $OUTPUT_DIR"
+            echo "BF16:    $BF16"
+            echo "Node:    $(hostname), CPUs: $(nproc), RAM: $(free -g | awk '/Mem:/{print $2}')G"
+            echo ""
+
+            $BINARY \
+              --data-dir "$DATA_DIR" \
+              --mbp10-data-dir "$MBP10_DIR" \
+              --trades-data-dir "$TRADES_DIR" \
+              --output-dir "$OUTPUT_DIR" \
+              --symbol "$SYMBOL" \
+              $BF16_FLAG \
+              --yes
+
+            echo ""
+            echo "=== Output ==="
+            find "$OUTPUT_DIR" -name '*.fxcache' -exec ls -lh {} \;
+            du -sh "$OUTPUT_DIR"
diff --git a/scripts/argo-precompute.sh b/scripts/argo-precompute.sh
new file mode 100755
index 000000000..82bf4dcf0
--- /dev/null
+++ b/scripts/argo-precompute.sh
@@ -0,0 +1,76 @@
+#!/usr/bin/env bash
+# Pre-compute DQN features via Argo Workflows.
+#
+# Usage:
+#   ./scripts/argo-precompute.sh ES.FUT
+#   ./scripts/argo-precompute.sh ES.FUT --bf16
+#   ./scripts/argo-precompute.sh ES.FUT --pool platform --watch
+#
+# Requires: argo CLI
+set -euo pipefail
+
+TEMPLATE="precompute-features"
+POOL=""
+BF16=""
+DATA_DIR=""
+MBP10_DIR=""
+TRADES_DIR=""
+OUTPUT_DIR=""
+WATCH=false
+
+usage() {
+  cat <<EOF
+Usage: $(basename "$0") <symbol> [OPTIONS]
+
+Options:
+  --bf16               Write bf16 format (version 2)
+  --pool <name>        Node pool (default: ci-compile-cpu)
+  --data-dir <dir>     OHLCV data dir (default: /data/futures-baseline)
+  --mbp10-dir <dir>    MBP-10 data dir (default: /data/futures-baseline-mbp10)
+  --trades-dir <dir>   Trades data dir (default: /data/futures-baseline-trades)
+  --output-dir <dir>   Output dir (default: /data/feature-cache)
+  --watch              Follow workflow logs after submission
+  -h, --help           Show this help
+EOF
+  exit 0
+}
+
+[[ $# -eq 0 ]] && { echo "Error: symbol argument required"; usage; }
+[[ "$1" == "-h" || "$1" == "--help" ]] && usage
+
+SYMBOL="$1"; shift
+
+while [[ $# -gt 0 ]]; do
+  case $1 in
+    --bf16)       BF16="true"; shift ;;
+    --pool)       POOL="$2"; shift 2 ;;
+    --data-dir)   DATA_DIR="$2"; shift 2 ;;
+    --mbp10-dir)  MBP10_DIR="$2"; shift 2 ;;
+    --trades-dir) TRADES_DIR="$2"; shift 2 ;;
+    --output-dir) OUTPUT_DIR="$2"; shift 2 ;;
+    --watch)      WATCH=true; shift ;;
+    -h|--help)    usage ;;
+    *)            echo "Unknown option: $1"; usage ;;
+  esac
+done
+
+CMD="argo submit -n foxhunt --from=wftmpl/$TEMPLATE"
+CMD="$CMD -p symbol=$SYMBOL"
+
+[[ -n "$BF16" ]]       && CMD="$CMD -p bf16=$BF16"
+[[ -n "$POOL" ]]       && CMD="$CMD -p node-pool=$POOL"
+[[ -n "$DATA_DIR" ]]   && CMD="$CMD -p data-dir=$DATA_DIR"
+[[ -n "$MBP10_DIR" ]]  && CMD="$CMD -p mbp10-dir=$MBP10_DIR"
+[[ -n "$TRADES_DIR" ]] && CMD="$CMD -p trades-dir=$TRADES_DIR"
+[[ -n "$OUTPUT_DIR" ]] && CMD="$CMD -p output-dir=$OUTPUT_DIR"
+
+if $WATCH; then
+  CMD="$CMD --watch"
+fi
+
+echo "Submitting feature pre-compute workflow..."
+echo "  symbol: $SYMBOL"
+[[ -n "$BF16" ]] && echo "  bf16:   $BF16"
+[[ -n "$POOL" ]] && echo "  pool:   $POOL"
+echo ""
+eval "$CMD"