diff --git a/data/refdata/instruments.cfg b/data/refdata/instruments.cfg
index bc8d107..b120e48 100644
--- a/data/refdata/instruments.cfg
+++ b/data/refdata/instruments.cfg
@@ -167,13 +167,13 @@
     , "PAIR-LTC-USD": {
         "base_asset": "LTC",
         "quote_asset": "USD",
-        "quantity_precision": "0.001",
+        "quantity_precision": "0.00000001",
         "price_tick": 0.01
     }
     , "PAIR-LTC-USDT": {
         "base_asset": "LTC",
         "quote_asset": "USDT",
-        "quantity_precision": "0.001",
+        "quantity_precision": "0.00000001",
         "price_tick": 0.01
     }
     # --- PAIR-M