diff --git a/data/refdata/instruments.cfg b/data/refdata/instruments.cfg
index 5ff8ddd..9adc123 100644
--- a/data/refdata/instruments.cfg
+++ b/data/refdata/instruments.cfg
@@ -448,6 +448,14 @@
         "quantity_precision": "1",
         "price_tick": 0.00001
     }
+    # --- PERP-S
+    "PERP-LTC-USDC": {
+        "base_asset": "LTC",
+        "quote_asset": "USDC",
+        "quantity_precision": "0.01",
+        "price_tick": 0.01
+    },
+    # --- PERP-X
     # ------------------- STOCKS
     , "STOCK-AAPL": {
         "base_asset": "EQT.AAPL"