diff --git a/data/refdata/instruments.cfg b/data/refdata/instruments.cfg
index ae4a03a..f26da4e 100644
--- a/data/refdata/instruments.cfg
+++ b/data/refdata/instruments.cfg
@@ -16,13 +16,13 @@
     "PAIR-ADA-USD": {
         "base_asset": "ADA",
         "quote_asset": "USD",
-        "quantity_precision": "0.1",
+        "quantity_precision": "0.00000001",
         "price_tick": 0.0001
     },
     "PAIR-ADA-USDT": {
         "base_asset": "ADA",
         "quote_asset": "USDT",
-        "quantity_precision": "0.1",
+        "quantity_precision": "0.00000001",
         "price_tick": 0.0001
     },
     "PAIR-ASD-USDT": {