diff --git a/lang10/contracts/auction.sympl b/lang10/contracts/auction.sympl
index 776cf49..905ab32 100644
--- a/lang10/contracts/auction.sympl
+++ b/lang10/contracts/auction.sympl
@@ -58,7 +58,6 @@ schema Admin:
 ###################################
 # Auction API and Implementations #
 ###################################
-
 # Returns all auctions in storage.
 @clientside
 def get_auctions() -> List[Auction]:
diff --git a/lang10/scale_tests/auctions_scale_test.py b/lang10/scale_tests/auctions_scale_test.py
new file mode 100644
index 0000000..8fd2e87
--- /dev/null
+++ b/lang10/scale_tests/auctions_scale_test.py
@@ -0,0 +1,59 @@
+import pytest
+import time
+from assembly_client.api.contracts import ContractRef
+
+AUCTION = ContractRef('auction', '1.0.0', 10)
+
+name_str = "stamps collection #{index}"
+price_str="{price}"
+i = 0
+
+def do_an_auction(auction, key_alias, bidder, second_bidder, other_key_alias, third_key_alias):
+    new_auction = auction.create_auction(product_description='stamps collection',
+                                         initial_price='100',
+                                         silent=True)
+    auction.add_member(new_member=third_key_alias, id=new_auction['id'])
+    auction.add_member(new_member=other_key_alias, id=new_auction['id'])
+    max_n = 20
+    for idx in range(1, max_n):
+        bidder.bid(id=new_auction['id'], amount=price_str.format(price=100+idx))
+    for idx in range(max_n+2, max_n*2):
+        second_bidder.bid(id=new_auction['id'], amount=price_str.format(price=100+idx))
+    winning_bid = auction.close_auction(id=new_auction['id'])
+    assert winning_bid['amount'] == price_str.format(price=100 + (max_n*2) -1)
+
+class TestScaleAuction():
+
+    @pytest.fixture
+    def reset_publish(self, network):
+        network.reset(sympl_version=10)
+        network.publish([AUCTION])
+
+    @pytest.fixture
+    def key_alias(self, network):
+        return network.register_key_alias()
+
+    @pytest.fixture
+    def other_key_alias(self, network):
+        return network.register_key_alias()
+
+    @pytest.fixture
+    def third_key_alias(self, network):
+        return network.register_key_alias()
+
+    @pytest.fixture
+    def auction(self, network, reset_publish, key_alias):
+        return network[key_alias].auction['10-1.0.0']
+
+    @pytest.fixture
+    def bidder(self, network, reset_publish, other_key_alias):
+        return network[other_key_alias].auction['10-1.0.0']
+
+    @pytest.fixture
+    def second_bidder(self, network, reset_publish, third_key_alias):
+        return network[third_key_alias].auction['10-1.0.0']
+
+    #### Scale auction tests
+    def test_scale_auctions_creation(self, auction, key_alias, bidder, second_bidder, other_key_alias, third_key_alias, benchmark):
+        auction.create_admin(new_admin=key_alias)
+        benchmark.pedantic(do_an_auction, args=(auction, key_alias, bidder, second_bidder, other_key_alias, third_key_alias), iterations=3, rounds=3)