diff --git a/data/refdata/instruments.cfg b/data/refdata/instruments.cfg
index 24a63d1..2b73768 100644
--- a/data/refdata/instruments.cfg
+++ b/data/refdata/instruments.cfg
@@ -104,13 +104,13 @@
     , "PAIR-ETH-USD": {
         "base_asset": "ETH",
         "quote_asset": "USD",
-        "quantity_precision": "0.0001",
+        "quantity_precision": "0.00000001",
         "price_tick": 0.01
     }
     , "PAIR-ETH-USDT": {
         "base_asset": "ETH",
         "quote_asset": "USDT",
-        "quantity_precision": "0.0001",
+        "quantity_precision": "0.00000001",
         "price_tick": 0.01
     }
     , "PAIR-EUR-GBP": {