diff --git a/frontend/src/pages/InstrumentDashboard.tsx b/frontend/src/pages/InstrumentDashboard.tsx
index 456498f..e50b483 100644
--- a/frontend/src/pages/InstrumentDashboard.tsx
+++ b/frontend/src/pages/InstrumentDashboard.tsx
@@ -1014,11 +1014,12 @@ function CausalFrise({
 // ── ExplanationScore ──────────────────────────────────────────────────────────
 
 function ExplanationScore({
-  events, templates, causalInsts,
+  events, templates, causalInsts, onRefreshDone,
 }: {
   events: SnapshotEvent[]
   templates: CausalTemplate[]
   causalInsts: string[]
+  onRefreshDone?: () => void
 }) {
   const [refreshing, setRefreshing] = useState(false)
   const [refreshDone, setRefreshDone] = useState(false)
@@ -1059,6 +1060,7 @@ function ExplanationScore({
     try {
       await api.post('/causal-lab/auto-analyze/refresh')
       setRefreshDone(true)
+      onRefreshDone?.()
       setTimeout(() => setRefreshDone(false), 3000)
     } finally {
       setRefreshing(false)
@@ -1137,16 +1139,8 @@ export default function InstrumentDashboard() {
     api.get('/causal-lab/templates').then(r => setTemplates(r.data)).catch(() => {})
   }, [])
 
-  useEffect(() => {
+  const fetchSnapshot = useCallback(() => {
     setLoading(true)
-    setSnapshot(null)
-    setNarrative('')
-    setSelectedDate(null)
-    setMacroAtDate(null)
-    setTheoryCurve(null)
-    setShowTheory(false)
-    chartDateToXRef.current = null
-    setChartReady(0)
     api.get(`/instruments/${instrumentId}/snapshot?period=${period}`)
       .then(r => {
         setSnapshot(r.data)
@@ -1157,6 +1151,18 @@ export default function InstrumentDashboard() {
       .finally(() => setLoading(false))
   }, [instrumentId, period])
 
+  useEffect(() => {
+    setSnapshot(null)
+    setNarrative('')
+    setSelectedDate(null)
+    setMacroAtDate(null)
+    setTheoryCurve(null)
+    setShowTheory(false)
+    chartDateToXRef.current = null
+    setChartReady(0)
+    fetchSnapshot()
+  }, [instrumentId, period])
+
   const loadNarrative = useCallback(() => {
     setLoadingNarr(true)
     api.post(`/instruments/${instrumentId}/narrative`)
@@ -1525,6 +1531,7 @@ export default function InstrumentDashboard() {
                 events={snapshot.events}
                 templates={templates}
                 causalInsts={causalInsts}
+                onRefreshDone={fetchSnapshot}
               />
             </div>
             )
diff --git a/frontend/src/pages/MarketEvents.tsx b/frontend/src/pages/MarketEvents.tsx
index ec13ddb..4ae12c6 100644
--- a/frontend/src/pages/MarketEvents.tsx
+++ b/frontend/src/pages/MarketEvents.tsx
@@ -1000,6 +1000,38 @@ function EventDetail({
                       {outputNodes.length > 0 && (
                         <div>
                           <div className="text-[10px] text-slate-600 uppercase tracking-wide mb-1">Prédictions</div>
+                          {(() => {
+                            const nodeScores = outputNodes
+                              .map(n => {
+                                const pred = anResult.preds[n.id]
+                                const act = anResult.actuals[n.instrument || n.id] ?? anResult.actuals[n.id]
+                                if (pred == null || act == null) return null
+                                if (pred === 0 && act === 0) return 100
+                                if (pred === 0) return 40
+                                const sameDir = pred * act > 0
+                                if (!sameDir) return 0
+                                const ratio = Math.min(Math.abs(act), Math.abs(pred)) / Math.max(Math.abs(act), Math.abs(pred))
+                                return Math.round(50 + ratio * 50)
+                              })
+                              .filter((s): s is number => s != null)
+                            const graphScore = nodeScores.length > 0
+                              ? Math.round(nodeScores.reduce((a, b) => a + b, 0) / nodeScores.length)
+                              : null
+                            if (graphScore == null) return null
+                            const barCls = graphScore >= 70 ? 'bg-emerald-500' : graphScore >= 40 ? 'bg-amber-500' : 'bg-red-500'
+                            const txtCls = graphScore >= 70 ? 'text-emerald-400' : graphScore >= 40 ? 'text-amber-400' : 'text-red-400'
+                            return (
+                              <div className="mb-2 pb-2 border-b border-slate-800/60">
+                                <div className="flex items-center justify-between text-[9px] text-slate-600 mb-0.5">
+                                  <span>Précision</span>
+                                  <span className={txtCls}>{graphScore}%</span>
+                                </div>
+                                <div className="h-1 bg-slate-800 rounded-full overflow-hidden">
+                                  <div className={clsx('h-full rounded-full', barCls)} style={{ width: `${graphScore}%` }} />
+                                </div>
+                              </div>
+                            )
+                          })()}
                           {outputNodes.map(n => {
                             const pred = anResult.preds[n.id]
                             const actual = anResult.actuals[n.instrument || n.id] ?? anResult.actuals[n.id]