diff --git a/schema.graphql b/schema.graphql
index c0c02de..dc15db8 100644
--- a/schema.graphql
+++ b/schema.graphql
@@ -47,6 +47,7 @@ type Auction @entity {
     category: Int!
     buyNowPrice: BigInt!
     startBidPrice: BigInt!
+    isBuyNow: Boolean!
 }
 
 type Bid @entity {
diff --git a/src/helper.ts b/src/helper.ts
index 3d00188..909a329 100644
--- a/src/helper.ts
+++ b/src/helper.ts
@@ -84,6 +84,7 @@ export function getOrCreateAuction(
         auction.totalBids = BIGINT_ZERO;
         auction.buyNowPrice = BIGINT_ZERO;
         auction.startBidPrice = BIGINT_ZERO;
+        auction.isBuyNow = false;
     }
 
     return auction;
diff --git a/src/mapping.ts b/src/mapping.ts
index e30cca9..435c396 100644
--- a/src/mapping.ts
+++ b/src/mapping.ts
@@ -319,6 +319,7 @@ export function handleAuction_Initialized(
     auction.cancelled = false;
     auction.buyNowPrice = BigInt.fromI32(0);
     auction.startBidPrice = BigInt.fromI32(0);
+    auction.isBuyNow = false;
 
     // Update Auction
     auction = updateAuction(auction, event);
@@ -598,6 +599,7 @@ export function handleAuction_BoughtNow(
     }
     auction.claimed = true;
     auction.claimAt = event.block.timestamp;
+    auction.isBuyNow = true;
 
     let bid = getOrCreateBid(
         auction.highestBidder,