Best ask: {% if group.best_ask_btc %}{{ group.best_ask_btc.price }}{% endif %} {% if group.best_ask_btc %}{{ group.best_ask_btc.quantity }}{% endif %} Best bid: {% if group.best_bid_btc %}{{ group.best_bid_btc.price }}{% endif %} {% if group.best_bid_btc %}{{ group.best_bid_btc.quantity }}{% endif %}