diff --git a/backend/services/macro_series_log.py b/backend/services/macro_series_log.py
index 10d2f82..3be881c 100644
--- a/backend/services/macro_series_log.py
+++ b/backend/services/macro_series_log.py
@@ -10,10 +10,14 @@ logger = logging.getLogger(__name__)
 
 
 def _parse_num(v) -> Optional[float]:
-    """Convert FF text value (e.g. '178K', '0.3%', '-92K') to float or None."""
+    """Convert FF text value (e.g. '178K', '0.3%', '-92K') to float in display unit.
+    Strips unit suffix without multiplying — '114K' → 114.0, '0.3%' → 0.3.
+    Matches JavaScript parseFloat behaviour so stored values match chart display."""
     if v is None:
         return None
-    s = str(v).strip().replace('%', '').replace('K', 'e3').replace('M', 'e6').replace('B', 'e9')
+    s = str(v).strip().replace('%', '').replace(',', '')
+    if s and s[-1].upper() in ('K', 'M', 'B'):
+        s = s[:-1].strip()
     try:
         return float(s)
     except Exception:
@@ -105,8 +109,14 @@ def backfill_from_ff_calendar(conn) -> dict:
         if actual_num is None and forecast_num is None:
             continue
 
-        logged_at = r['fetched_at'] or r['event_date']
-        changed = 'actual' if actual_num is not None else 'forecast'
+        # For past events use fetched_at (when we got the data); for future/no-actual use now
+        now_str = datetime.now(timezone.utc).strftime('%Y-%m-%d %H:%M:%S')
+        if actual_num is not None:
+            logged_at = r['fetched_at'] or r['event_date']  # historical: keep original timestamp
+            changed = 'actual'
+        else:
+            logged_at = now_str  # forecast-only: logged_at = time of backfill run
+            changed = 'forecast'
 
         conn.execute(
             """INSERT OR IGNORE INTO macro_series_log
diff --git a/frontend/src/pages/MacroSeriesPage.tsx b/frontend/src/pages/MacroSeriesPage.tsx
index 319ed41..cf6b8a5 100644
--- a/frontend/src/pages/MacroSeriesPage.tsx
+++ b/frontend/src/pages/MacroSeriesPage.tsx
@@ -265,10 +265,11 @@ export default function MacroSeriesPage() {
   const [selectedId, setSelectedId]   = useState<string>('PAYEMS')
   const [range, setRange]             = useState('5y')
   const [history, setHistory]         = useState<SeriesHistory | null>(null)
-  const [logEntries, setLogEntries]   = useState<LogEntry[]>([])
-  const [loading, setLoading]         = useState(false)
-  const [backfilling, setBackfilling] = useState(false)
-  const [tab, setTab]                 = useState<'chart' | 'log'>('chart')
+  const [logEntries, setLogEntries]     = useState<LogEntry[]>([])
+  const [loading, setLoading]           = useState(false)
+  const [backfilling, setBackfilling]   = useState(false)
+  const [tab, setTab]                   = useState<'chart' | 'log'>('chart')
+  const [selectedEventDate, setSelectedEventDate] = useState<string | null>(null)
 
   useEffect(() => {
     fetch(`${API}/api/eco/series`).then(r => r.json()).then(setSeriesList).catch(() => {})
@@ -539,32 +540,94 @@ export default function MacroSeriesPage() {
               </button>
             )}
           </div>
-          {/* Forecast evolution chart */}
-          {evoChartData.length > 0 && forecastEvolution.allDates.length > 0 && (
-            <div className="mb-4">
-              <div className="text-xs text-slate-500 mb-2">
-                Évolution du forecast — une courbe par release ({forecastEvolution.allDates.length} releases)
+          {/* Forecast evolution — focus one release at a time */}
+          {forecastEvolution.allDates.length > 0 && (() => {
+            const today = new Date().toISOString().slice(0, 10)
+            const upcoming = forecastEvolution.allDates.filter(d => d >= today).sort()
+            const past     = forecastEvolution.allDates.filter(d => d < today).sort().reverse()
+            const ordered  = [...upcoming, ...past]
+            const focusDate = selectedEventDate ?? ordered[0] ?? null
+            if (!focusDate) return null
+
+            const allPts = forecastEvolution.byDate[focusDate] ?? []
+            // Keep only the 4 weeks window before event_date
+            const cutoff = new Date(focusDate)
+            cutoff.setDate(cutoff.getDate() - 28)
+            const cutoffStr = cutoff.toISOString().slice(0, 16)
+            const pts = allPts.filter(p => p.time >= cutoffStr)
+            const chartPts = pts.map(p => ({ time: p.time.slice(0, 10), forecast: p.forecast, actual: p.actual }))
+            const hasActual = pts.some(p => p.actual != null)
+            const actualVal = pts.find(p => p.actual != null)?.actual ?? null
+
+            return (
+              <div className="mb-5">
+                {/* Release selector chips */}
+                <div className="flex items-center gap-1.5 flex-wrap mb-3">
+                  <span className="text-xs text-slate-500 shrink-0">Release :</span>
+                  {ordered.slice(0, 12).map(d => {
+                    const isUpcoming = d >= today
+                    const isFocus = d === focusDate
+                    return (
+                      <button key={d} onClick={() => setSelectedEventDate(d)}
+                        className={clsx(
+                          'px-2 py-0.5 rounded text-xs font-mono transition-colors border',
+                          isFocus
+                            ? 'bg-blue-600 border-blue-500 text-white'
+                            : isUpcoming
+                            ? 'bg-amber-900/30 border-amber-700/50 text-amber-400 hover:bg-amber-800/40'
+                            : 'bg-slate-700/40 border-slate-700 text-slate-400 hover:bg-slate-700'
+                        )}>
+                        {d}
+                        {isUpcoming && <span className="ml-1 text-[9px] opacity-70">↑</span>}
+                      </button>
+                    )
+                  })}
+                  {ordered.length > 12 && (
+                    <span className="text-xs text-slate-600">+{ordered.length - 12} autres</span>
+                  )}
+                </div>
+
+                <div className="text-xs text-slate-500 mb-2">
+                  Évolution du forecast — release du <span className="text-slate-300">{focusDate}</span>
+                  {pts.length === 0
+                    ? ' — aucune révision détectée (syncs insuffisants)'
+                    : ` — ${pts.length} entrée${pts.length > 1 ? 's' : ''}, fenêtre 4 semaines`}
+                </div>
+
+                {chartPts.length === 0 ? (
+                  <div className="h-24 flex items-center justify-center text-slate-600 text-xs">
+                    Les révisions apparaîtront après plusieurs syncs 6h consécutifs.
+                  </div>
+                ) : (
+                  <ResponsiveContainer width="100%" height={200}>
+                    <ComposedChart data={chartPts} margin={{ top: 4, right: 16, bottom: 4, left: 0 }}>
+                      <CartesianGrid strokeDasharray="3 3" stroke="#1e293b" />
+                      <XAxis dataKey="time" tick={{ fontSize: 9, fill: '#64748b' }} interval="preserveStartEnd" tickLine={false} />
+                      <YAxis tick={{ fontSize: 9, fill: '#64748b' }} tickLine={false} axisLine={false} width={45}
+                        tickFormatter={v => `${v}${history?.unit ?? ''}`} />
+                      <Tooltip content={({ active, payload }) => {
+                        if (!active || !payload?.length) return null
+                        const d = payload[0]?.payload
+                        return (
+                          <div className="bg-slate-900 border border-slate-600 rounded p-2 text-xs shadow-xl">
+                            <div className="text-slate-400 mb-1">{d.time}</div>
+                            {d.forecast != null && <div className="text-amber-400">Forecast: {d.forecast} {history?.unit}</div>}
+                            {d.actual  != null && <div className="text-emerald-400 font-semibold">Actual: {d.actual} {history?.unit}</div>}
+                          </div>
+                        )
+                      }} />
+                      <Line type="stepAfter" dataKey="forecast" name="Forecast"
+                        stroke="#f59e0b" strokeWidth={2} dot={{ r: 3, fill: '#f59e0b' }} connectNulls />
+                      {hasActual && (
+                        <ReferenceLine y={actualVal!} stroke="#34d399" strokeWidth={1.5}
+                          strokeDasharray="5 3" label={{ value: `Actual ${actualVal}`, fill: '#34d399', fontSize: 10, position: 'insideTopRight' }} />
+                      )}
+                    </ComposedChart>
+                  </ResponsiveContainer>
+                )}
               </div>
-              <ResponsiveContainer width="100%" height={220}>
-                <ComposedChart data={evoChartData} margin={{ top: 4, right: 16, bottom: 4, left: 0 }}>
-                  <CartesianGrid strokeDasharray="3 3" stroke="#1e293b" />
-                  <XAxis dataKey="time" tick={{ fontSize: 9, fill: '#64748b' }} interval="preserveStartEnd" tickLine={false} />
-                  <YAxis tick={{ fontSize: 9, fill: '#64748b' }} tickLine={false} axisLine={false} width={45} />
-                  <Tooltip
-                    contentStyle={{ background: '#0f172a', border: '1px solid #334155', borderRadius: 6, fontSize: 11 }}
-                    labelStyle={{ color: '#64748b' }}
-                    itemStyle={{ color: '#e2e8f0' }}
-                  />
-                  <Legend wrapperStyle={{ fontSize: 10, color: '#94a3b8' }} />
-                  {forecastEvolution.allDates.map((d, i) => (
-                    <Line key={d} type="stepAfter" dataKey={d} name={d}
-                      stroke={EVO_COLORS[i % EVO_COLORS.length]} strokeWidth={1.5}
-                      dot={false} connectNulls />
-                  ))}
-                </ComposedChart>
-              </ResponsiveContainer>
-            </div>
-          )}
+            )
+          })()}
 
           {logEntries.length === 0 ? (
             <div className="text-slate-600 text-sm text-center py-8">