diff --git a/api/index.php b/api/index.php
index fcea21f..cd6cef9 100644
--- a/api/index.php
+++ b/api/index.php
@@ -1584,6 +1584,10 @@ function getInventoryAnomalies(PDO $db): void {
         if (!empty($dismissed[$key])) continue;
 
         $direction = $diff > 0 ? 'phantom' : 'missing';
+        // Special case: expected is negative — more consumption recorded than entries.
+        // The real qty vs tx comparison is meaningless; what we actually know is that
+        // "initial stock was never formally registered as an 'in' transaction".
+        if ($expected <= 0) $direction = 'untracked';
         $anomalies[] = [
             'inventory_id' => (int)$r['inventory_id'],
             'product_id'   => (int)$r['product_id'],
diff --git a/assets/js/app.js b/assets/js/app.js
index 7ac5bd2..9b58d6a 100644
--- a/assets/js/app.js
+++ b/assets/js/app.js
@@ -2962,9 +2962,14 @@ function renderBannerItem() {
     } else if (entry.type === 'anomaly') {
         const an = entry.data;
         const isPhantom = an.direction === 'phantom';
+        const isUntracked = an.direction === 'untracked';
         banner.className = 'alert-banner banner-anomaly';
         iconEl.textContent = '🔍';
-        if (isPhantom) {
+        if (isUntracked) {
+            // More consumption recorded than entries — initial stock was never registered
+            titleEl.textContent = `${an.name} — ${t('dashboard.banner_anomaly_untracked_title')}`;
+            detailEl.innerHTML = t('dashboard.banner_anomaly_untracked_detail', { inv_qty: an.inv_qty, unit: an.unit });
+        } else if (isPhantom) {
             titleEl.textContent = `${an.name} — ${t('dashboard.banner_anomaly_phantom_title')}`;
             detailEl.innerHTML = t('dashboard.banner_anomaly_phantom_detail', { inv_qty: an.inv_qty, unit: an.unit, expected_qty: an.expected_qty });
         } else {
diff --git a/translations/de.json b/translations/de.json
index 00eb1a5..60c8089 100644
--- a/translations/de.json
+++ b/translations/de.json
@@ -128,6 +128,9 @@
         "banner_finished_check": "Kannst du nachschauen?",
         "banner_anomaly_phantom_title": "mehr Bestand als erwartet",
         "banner_anomaly_phantom_detail": "Bestand zeigt {inv_qty} {unit}, aber laut Buchungen solltest du nur {expected_qty} {unit} haben. Hast du Bestand ohne Buchung hinzugefügt?",
+        "banner_anomaly_untracked_title": "Anfangsbestand nicht als Eingang gebucht",
+        "banner_anomaly_untracked_detail": "Du hast <strong>{inv_qty} {unit}</strong> im Bestand, aber die gebuchten Abgänge übersteigen die Eingänge — der Anfangsbestand wurde wahrscheinlich nie als \"Eingang\" erfasst. Bitte korrigiere die Menge oder trage die fehlenden Eingänge nach."
+,
         "banner_anomaly_ghost_title": "weniger Bestand als erwartet",
         "banner_anomaly_ghost_detail": "Laut Buchungen solltest du {expected_qty} {unit} von {name} haben, aber der Bestand zeigt nur {inv_qty} {unit}. Hast du etwas ohne Buchung entnommen?",
         "consumed": "Verbraucht: {n} ({pct}%)",
diff --git a/translations/en.json b/translations/en.json
index ccfe85d..b1bb40f 100644
--- a/translations/en.json
+++ b/translations/en.json
@@ -128,6 +128,8 @@
         "banner_finished_check": "Can you check?",
         "banner_anomaly_phantom_title": "you have more stock than expected",
         "banner_anomaly_phantom_detail": "Inventory shows {inv_qty} {unit}, but based on records you should only have {expected_qty} {unit}. Did you add stock without recording it?",
+        "banner_anomaly_untracked_title": "stock not recorded as an entry",
+        "banner_anomaly_untracked_detail": "You have <strong>{inv_qty} {unit}</strong> in inventory, but recorded outflows exceed inflows — the initial stock was likely never added as an \"in\" transaction. You can correct the quantity or log the missing entries.",
         "banner_anomaly_ghost_title": "you have less stock than expected",
         "banner_anomaly_ghost_detail": "Based on recorded operations you should have {expected_qty} {unit} of {name}, but inventory shows only {inv_qty} {unit}. Did you take stock without recording it?",
         "consumed": "Consumed: {n} ({pct}%)",
diff --git a/translations/it.json b/translations/it.json
index 2c6b36f..728cb5f 100644
--- a/translations/it.json
+++ b/translations/it.json
@@ -128,6 +128,8 @@
         "banner_finished_check": "Puoi controllare?",
         "banner_anomaly_phantom_title": "hai più scorte del previsto",
         "banner_anomaly_phantom_detail": "L'inventario segna {inv_qty} {unit}, ma in base alle registrazioni ne dovresti avere solo {expected_qty} {unit}. Hai aggiunto scorte senza registrarle?",
+        "banner_anomaly_untracked_title": "scorte non registrate come entrata",
+        "banner_anomaly_untracked_detail": "Hai <strong>{inv_qty} {unit}</strong> in inventario, ma le uscite registrate superano le entrate — le scorte iniziali probabilmente non sono mai state aggiunte come entrata. Puoi correggere la quantità o registrare le entrate mancanti.",
         "banner_anomaly_ghost_title": "hai meno scorte del previsto",
         "banner_anomaly_ghost_detail": "In base alle operazioni registrate dovresti avere {expected_qty} {unit} di {name}, ma l'inventario mostra solo {inv_qty} {unit}. Hai prelevato senza registrarlo?",
         "consumed": "Consumati: {n} ({pct}%)",