diff --git a/common/calculate.ts b/common/calculate.ts
index 5baeb9a3..323e8027 100644
--- a/common/calculate.ts
+++ b/common/calculate.ts
@@ -28,9 +28,12 @@ export function getProbability(contract: FullContract<DPM | CPMM, Binary>) {
 export function getInitialProbability(
   contract: FullContract<DPM | CPMM, Binary>
 ) {
-  return contract.initialProbability ?? contract.mechanism === 'cpmm-1'
-    ? getCpmmProbability(contract.pool)
-    : getDpmProbability(contract.phantomShares ?? contract.totalShares)
+  return (
+    contract.initialProbability ??
+    (contract.mechanism === 'cpmm-1'
+      ? getCpmmProbability(contract.pool)
+      : getDpmProbability(contract.phantomShares ?? contract.totalShares))
+  )
 }
 
 export function getOutcomeProbability(contract: Contract, outcome: string) {
diff --git a/web/components/contract-prob-graph.tsx b/web/components/contract-prob-graph.tsx
index 9158f8db..56b03a0b 100644
--- a/web/components/contract-prob-graph.tsx
+++ b/web/components/contract-prob-graph.tsx
@@ -20,12 +20,11 @@ export function ContractProbGraph(props: {
 
   const startProb = getInitialProbability(contract)
 
-  const times = bets
-    ? [contract.createdTime, ...bets.map((bet) => bet.createdTime)].map(
-        (time) => new Date(time)
-      )
-    : []
-  const probs = bets ? [startProb, ...bets.map((bet) => bet.probAfter)] : []
+  const times = [
+    contract.createdTime,
+    ...bets.map((bet) => bet.createdTime),
+  ].map((time) => new Date(time))
+  const probs = [startProb, ...bets.map((bet) => bet.probAfter)]
 
   const isClosed = !!closeTime && Date.now() > closeTime
   const latestTime = dayjs(