diff --git a/data/refdata/exchange_instruments.cfg b/data/refdata/exchange_instruments.cfg
index 23a1460..08578b6 100644
--- a/data/refdata/exchange_instruments.cfg
+++ b/data/refdata/exchange_instruments.cfg
@@ -291,21 +291,36 @@
         }
         , "PERP-ADA-USDC": {
         }
-        "PERP-AVAX-USDC": {
-        "PERP-BCH-USDC": {
-        "PERP-BNB-USDC": {
-        "PERP-BTC-USDC": {
-        "PERP-DOGE-USDC": {
-        "PERP-DOT-USDC": {
-        "PERP-ETH-USDC": {
-        "PERP-HBAR-USDC": {
-        "PERP-LINK-USDC": {
-        "PERP-LTC-USDC": {
-        "PERP-SHIB-USDC": {
-        "PERP-SOL-USDC": {
-        "PERP-SUI-USDC": {
-        "PERP-XLM-USDC": {
-        "PERP-XRP-USDC": {
+        , "PERP-AVAX-USDC": {
+                }
+        , "PERP-BCH-USDC": {
+                }
+        , "PERP-BNB-USDC": {
+                }
+        , "PERP-BTC-USDC": {
+                }
+        , "PERP-DOGE-USDC": {
+                }
+        , "PERP-DOT-USDC": {
+                }
+        , "PERP-ETH-USDC": {
+                }
+        , "PERP-HBAR-USDC": {
+                }
+        , "PERP-LINK-USDC": {
+                }
+        , "PERP-LTC-USDC": {
+                }
+        , "PERP-SHIB-USDC": {
+                }
+        , "PERP-SOL-USDC": {
+                }
+        , "PERP-SUI-USDC": {
+        }
+        , "PERP-XLM-USDC": {
+        }
+        , "PERP-XRP-USDC": {
+        }
     }
     , "GEMINI": {
         "instruments": {