diff --git a/piker/brokers/binance.py b/piker/brokers/binance.py
index 59fb3ea4..8a3f42e9 100644
--- a/piker/brokers/binance.py
+++ b/piker/brokers/binance.py
@@ -418,6 +418,7 @@ async def stream_quotes(
             # just directly pick out the info we need
             si['price_tick_size'] = syminfo.filters[0]['tickSize']
             si['lot_tick_size'] = syminfo.filters[2]['stepSize']
+            si['asset_type'] = 'crypto'
 
         symbol = symbols[0]
 
diff --git a/piker/brokers/kraken.py b/piker/brokers/kraken.py
index cfce2d5a..3278e40b 100644
--- a/piker/brokers/kraken.py
+++ b/piker/brokers/kraken.py
@@ -439,6 +439,7 @@ async def stream_quotes(
             syminfo = si.dict()
             syminfo['price_tick_size'] = 1 / 10**si.pair_decimals
             syminfo['lot_tick_size'] = 1 / 10**si.lot_decimals
+            syminfo['asset_type'] = 'crypto'
             sym_infos[sym] = syminfo
             ws_pairs[sym] = si.wsname