diff --git a/piker/brokers/ib.py b/piker/brokers/ib.py
index a4eba51c..121ad428 100644
--- a/piker/brokers/ib.py
+++ b/piker/brokers/ib.py
@@ -196,6 +196,8 @@ _adhoc_futes_set = {
     'mgc.nymex',
 
     'xagusd.cmdty',  # silver spot
+    'ni.nymex', # silver futes
+    'qi.comex', # mini-silver futes
 }
 
 # exchanges we don't support at the moment due to not knowing