diff --git a/data/refdata/instruments.cfg b/data/refdata/instruments.cfg
index 67e24b5..af54d07 100644
--- a/data/refdata/instruments.cfg
+++ b/data/refdata/instruments.cfg
@@ -387,14 +387,14 @@
     "PERP-DOT-USDC": {
         "base_asset": "DOT",
         "quote_asset": "USDC",
-        "quantity_precision": "1",
-        "price_tick": 0.00001
+        "quantity_precision": "0.1",
+        "price_tick": 0.001
     },
     # --- PERP-E
     "PERP-ETH-USDC": {
         "base_asset": "ETH",
         "quote_asset": "USDC",
-        "quantity_precision": "0.001",
+        "quantity_precision": "0.0001",
         "price_tick": 0.01
     },
     "PERP-ETH-USD": {