diff --git a/go.mod b/go.mod
index 7a902b0..a7ee54c 100644
--- a/go.mod
+++ b/go.mod
@@ -6,7 +6,7 @@ require (
 	filippo.io/edwards25519 v1.1.0
 	github.com/aws/aws-sdk-go-v2 v0.17.0
 	github.com/code-payments/code-vm-indexer v1.2.0
-	github.com/code-payments/ocp-protobuf-api v0.10.0
+	github.com/code-payments/ocp-protobuf-api v0.11.0
 	github.com/emirpasic/gods v1.12.0
 	github.com/envoyproxy/protoc-gen-validate v1.2.1
 	github.com/golang/protobuf v1.5.4
diff --git a/go.sum b/go.sum
index 3834e1b..1539f5a 100644
--- a/go.sum
+++ b/go.sum
@@ -78,8 +78,8 @@ github.com/cockroachdb/apd v1.1.0 h1:3LFP3629v+1aKXU5Q37mxmRxX/pIu1nijXydLShEq5I
 github.com/cockroachdb/apd v1.1.0/go.mod h1:8Sl8LxpKi29FqWXR16WEFZRNSz3SoPzUzeMeY4+DwBQ=
 github.com/code-payments/code-vm-indexer v1.2.0 h1:rSHpBMiT9BKgmKcXg/VIoi/h0t7jNxGx07Qz59m+6Q0=
 github.com/code-payments/code-vm-indexer v1.2.0/go.mod h1:vn91YN2qNqb+gGJeZe2+l+TNxVmEEiRHXXnIn2Y40h8=
-github.com/code-payments/ocp-protobuf-api v0.10.0 h1:l9Yh3eXdhvgBQS/evg1HYMERXlr7ymASHekAhW/RUmA=
-github.com/code-payments/ocp-protobuf-api v0.10.0/go.mod h1:tw6BooY5a8l6CtSZnKOruyKII0W04n89pcM4BizrgG8=
+github.com/code-payments/ocp-protobuf-api v0.11.0 h1:Zq0H3tg+bjTuXF9T6kRXEX8sGXu1NQ0szvUD1MdVs4Q=
+github.com/code-payments/ocp-protobuf-api v0.11.0/go.mod h1:tw6BooY5a8l6CtSZnKOruyKII0W04n89pcM4BizrgG8=
 github.com/containerd/continuity v0.0.0-20190827140505-75bee3e2ccb6 h1:NmTXa/uVnDyp0TY5MKi197+3HWcnYWfnHGyaFthlnGw=
 github.com/containerd/continuity v0.0.0-20190827140505-75bee3e2ccb6/go.mod h1:GL3xCUCBDV3CZiTSEKksMWbLE66hEyuu9qyDOOqM47Y=
 github.com/coreos/bbolt v1.3.2/go.mod h1:iRUV2dpdMOn7Bo10OQBFzIJO9kkE559Wcmn+qkEiiKk=
diff --git a/ocp/rpc/account/server.go b/ocp/rpc/account/server.go
index 4ed7603..8c840a4 100644
--- a/ocp/rpc/account/server.go
+++ b/ocp/rpc/account/server.go
@@ -457,6 +457,11 @@ func (s *server) getProtoAccountInfo(ctx context.Context, records *common.Accoun
 		}
 	}
 
+	usdCostBasis := 100.00 // todo: Mock test data
+	if common.IsCoreMint(mintAccount) && common.IsCoreMintUsdStableCoin() {
+		usdCostBasis = float64(prefetchedBalanceMetadata.value) / float64(common.CoreMintQuarksPerUnit)
+	}
+
 	return &accountpb.TokenAccountInfo{
 		Address:              tokenAccount.ToProto(),
 		Owner:                ownerAccount.ToProto(),
@@ -465,6 +470,7 @@ func (s *server) getProtoAccountInfo(ctx context.Context, records *common.Accoun
 		Index:                records.General.Index,
 		BalanceSource:        prefetchedBalanceMetadata.source,
 		Balance:              prefetchedBalanceMetadata.value,
+		UsdCostBasis:         usdCostBasis,
 		ManagementState:      managementState,
 		BlockchainState:      blockchainState,
 		ClaimState:           claimState,