diff --git a/data/refdata/instruments.cfg b/data/refdata/instruments.cfg
index ff1984c..af4e91a 100644
--- a/data/refdata/instruments.cfg
+++ b/data/refdata/instruments.cfg
@@ -458,8 +458,14 @@
     "PERP-SOL-USDC": {
         "base_asset": "SOL",
         "quote_asset": "USDC",
-        "quantity_precision": "1",
-        "price_tick": 0.000001
+        "quantity_precision": "0.001",
+        "price_tick": 0.001
+    },
+    "PERP-SUI-USDC": {
+        "base_asset": "SUI",
+        "quote_asset": "USDC",
+        "quantity_precision": "0.1",
+        "price_tick": 0.001
     },
     # --- PERP-X
     # ------------------- STOCKS