diff --git a/server/src/index.ts b/server/src/index.ts
index 3f02f0d..7cb733a 100644
--- a/server/src/index.ts
+++ b/server/src/index.ts
@@ -246,7 +246,7 @@ const appRouter = router({
         `
         SELECT
           toUnixTimestamp(tsStart) as x,
-          calendarPrice as y
+          truncate(calendarPrice, 2) as y
         FROM calendar_histories
         WHERE symbol = '${underlying}'
         AND daysToFrontExpiration = ${daysToFrontExpiration}
@@ -285,7 +285,7 @@ const appRouter = router({
         `
         SELECT
           FLOOR(strikePercentageFromUnderlyingPrice, 1) as x,
-          calendarPrice as y
+          truncate(calendarPrice, 2) as y
         FROM calendar_histories
         WHERE symbol = '${underlying}'
         AND daysToFrontExpiration = ${daysToFrontExpiration}