diff --git a/src/services/DataService.ts b/src/services/DataService.ts
index 56f62c7..c0c1dec 100644
--- a/src/services/DataService.ts
+++ b/src/services/DataService.ts
@@ -37,7 +37,9 @@ async function fetchLiveTransactions(periodDays: number): Promise<{
   totalCount: number;
   totalVolume: number;
 }> {
-  const { transfers: rawTransfers, totalCount } = await fetchTransfers(periodDays);
+  // ~400 tx/jour sur le réseau Ğ1v2 → marge ×1.5 arrondie, minimum 2000
+  const limit = Math.max(2000, Math.ceil(periodDays * 600));
+  const { transfers: rawTransfers, totalCount } = await fetchTransfers(periodDays, limit);
   if (rawTransfers.length === 0) return { geolocated: [], totalCount: 0, totalVolume: 0 };
 
   const totalVolume = rawTransfers.reduce((s, t) => s + t.amount, 0);