diff --git a/data/refdata/instruments.cfg b/data/refdata/instruments.cfg
index cce4ff0..c673a3b 100644
--- a/data/refdata/instruments.cfg
+++ b/data/refdata/instruments.cfg
@@ -383,73 +383,73 @@
         "quote_asset": "USDT",
         "quantity_precision": "1",
         "price_tick": 0.00001
-    },
-    "PERP-DOT-USDC": {
+    }
+    , "PERP-DOT-USDC": {
         "base_asset": "DOT",
         "quote_asset": "USDC",
         "quantity_precision": "0.1",
         "price_tick": 0.001
-    },
+    }
     # --- PERP-E
-    "PERP-ETH-USDC": {
+    , "PERP-ETH-USDC": {
         "base_asset": "ETH",
         "quote_asset": "USDC",
         "quantity_precision": "0.0001",
         "price_tick": 0.01
-    },
-    "PERP-ETH-USD": {
+    }
+    , "PERP-ETH-USD": {
         "base_asset": "ETH",
         "quote_asset": "USD",
         "quantity_precision": "1",
         "price_tick": 0.01
-    },
-    "PERP-ETH-USDT": {
+    }
+    , "PERP-ETH-USDT": {
         "base_asset": "ETH",
         "quote_asset": "USDT",
         "quantity_precision": "0.001",
         "price_tick": 0.01
-    },
+    }
     # --- PERP-H
-    "PERP-HBAR-USDC": {
+    , "PERP-HBAR-USDC": {
         "base_asset": "HBAR",
         "quote_asset": "USDC",
         "quantity_precision": "1",
         "price_tick": 0.00001
-    },
+    }
     # --- PERP-L
-    "PERP-LINK-USDC": {
+    , "PERP-LINK-USDC": {
         "base_asset": "LINK",
         "quote_asset": "USDC",
         "quantity_precision": "0.01",
         "price_tick": 0.001
-    },
-    "PERP-LINK-USDT": {
+    }
+    , "PERP-LINK-USDT": {
         "base_asset": "LINK",
         "quote_asset": "USDT",
         "quantity_precision": "0.01",
         "price_tick": 0.001
-    },
-    "PERP-LTC-USDC": {
+    }
+    , "PERP-LTC-USDC": {
         "base_asset": "LTC",
         "quote_asset": "USDC",
         "quantity_precision": "0.01",
         "price_tick": 0.01
-    },
-    "PERP-LTC-USDT": {
+    }
+    , "PERP-LTC-USDT": {
         "base_asset": "LTC",
         "quote_asset": "USDT",
         "quantity_precision": "0.01",
         "price_tick": 0.01
-    },
+    }
     # --- PERP-M
-    "PERP-MATIC-USDT": {
+    , "PERP-MATIC-USDT": {
         "base_asset": "MATIC",
         "quote_asset": "USDT",
         "quantity_precision": "1",
         "price_tick": 0.00001
     }
     # --- PERP-S
-    "PERP-SHIB-USDC": {
+    , "PERP-SHIB-USDC": {
         "base_asset": "SHIB",
         "quote_asset": "USDC",
         "quantity_precision": "1",