diff --git a/rustybot/src/currency.rs b/rustybot/src/currency.rs
index 58d4f4c..bed1115 100644
--- a/rustybot/src/currency.rs
+++ b/rustybot/src/currency.rs
@@ -36,6 +36,9 @@ impl Symbol {
     pub const TESTBTC: Symbol = Symbol::new_static("TESTBTC");
     pub const TESTUSD: Symbol = Symbol::new_static("TESTUSD");
 
+    pub const DERIV_TESTBTC: Symbol = Symbol::new_static("TESTBTCF0");
+    pub const DERIV_TESTUSDT: Symbol = Symbol::new_static("TESTUSDTF0");
+
     // Fiat coins
     pub const USD: Symbol = Symbol::new_static("USD");
     pub const GBP: Symbol = Symbol::new_static("GBP");