diff --git a/data/refdata/instruments.cfg b/data/refdata/instruments.cfg
index c673a3b..11d0228 100644
--- a/data/refdata/instruments.cfg
+++ b/data/refdata/instruments.cfg
@@ -315,70 +315,70 @@
         "quote_asset": "USDT",
         "quantity_precision": "0.001",
         "price_tick": 0.1
-    },
-    "PERP-ADA-USDC": {
+    }
+    , "PERP-ADA-USDC": {
         "base_asset": "ADA",
         "quote_asset": "USDC",
         "quantity_precision": "1",
         "price_tick": 0.0001
-    },
-    "PERP-AVAX-USDC": {
+    }
+    , "PERP-AVAX-USDC": {
         "base_asset": "AVAX",
         "quote_asset": "USDC",
         "quantity_precision": "0.001",
         "price_tick": 0.001
-    },
-    "PERP-AVAX-USDT": {
+    }
+    , "PERP-AVAX-USDT": {
         "base_asset": "AVAX",
         "quote_asset": "USDT",
         "quantity_precision": "0.001",
         "price_tick": 0.001
-    },
+    }
     # --- PERP-B
-    "PERP-BCH-USDC": {
+    , "PERP-BCH-USDC": {
         "base_asset": "BCH",
         "quote_asset": "USDC",
         "quantity_precision": "0.001",
         "price_tick": 0.01
-    },
-    "PERP-BCH-USDT": {
+    }
+    , "PERP-BCH-USDT": {
         "base_asset": "BCH",
         "quote_asset": "USDT",
         "quantity_precision": "0.001",
         "price_tick": 0.01
-    },
-    "PERP-BNB-USDC": {
+    }
+    , "PERP-BNB-USDC": {
         "base_asset": "BNB",
         "quote_asset": "USDC",
         "quantity_precision": "0.001",
         "price_tick": 0.01
-    },
-    "PERP-BTC-USD": {
+    }
+    , "PERP-BTC-USD": {
         "base_asset": "BTC",
         "quote_asset": "USD",
         "quantity_precision": "0.0001",
         "price_tick": 0.1
-    },
-    "PERP-BTC-USDC": {
+    }
+    , "PERP-BTC-USDC": {
         "base_asset": "BTC",
         "quote_asset": "USDC",
         "quantity_precision": "0.001",
         "price_tick": 0.01
-    },
-    "PERP-BTC-USDT": {
+    }
+    , "PERP-BTC-USDT": {
         "base_asset": "BTC",
         "quote_asset": "USDT",
         "quantity_precision": "0.001",
         "price_tick": 0.01
-    },
+    }
     # --- PERP-D
-    "PERP-DOGE-USDC": {
+    , "PERP-DOGE-USDC": {
         "base_asset": "DOGE",
         "quote_asset": "USDC",
         "quantity_precision": "1",
         "price_tick": 0.00001
-    },
-    "PERP-DOGE-USDT": {
+    }
+    , "PERP-DOGE-USDT": {
         "base_asset": "DOGE",
         "quote_asset": "USDT",
         "quantity_precision": "1",