diff --git a/functions/src/markets.ts b/functions/src/markets.ts
index aaa6db06..6d6380c1 100644
--- a/functions/src/markets.ts
+++ b/functions/src/markets.ts
@@ -33,7 +33,7 @@ const getContractInfo = ({
   description,
   slug,
   pool,
-  startPool,
+  totalShares,
   volume7Days,
   volume24Hours,
   isResolved,
@@ -47,8 +47,8 @@ const getContractInfo = ({
     question,
     description,
     url: `https://manifold.markets/${creatorUsername}/${slug}`,
-    pool: pool.YES + pool.NO - startPool.YES - startPool.NO,
-    probability: getProbability(pool),
+    pool: pool.YES + pool.NO,
+    probability: getProbability(totalShares),
     volume7Days,
     volume24Hours,
     isResolved,