diff --git a/db/postgres_types.go b/db/postgres_types.go
index 75e5722..1dd5893 100644
--- a/db/postgres_types.go
+++ b/db/postgres_types.go
@@ -706,14 +706,15 @@ func (v postgresAnswer) Value() (driver.Value, error) {
 }
 
 type postgresFlipsState struct {
-	flipCid string
-	answer  byte
-	status  byte
-	grade   byte
+	flipCid    string
+	answer     byte
+	status     byte
+	grade      byte
+	gradeScore float32
 }
 
 func (v postgresFlipsState) Value() (driver.Value, error) {
-	return fmt.Sprintf("(%v,%v,%v,%v)", v.flipCid, v.answer, v.status, v.grade), nil
+	return fmt.Sprintf("(%v,%v,%v,%v,%v)", v.flipCid, v.answer, v.status, v.grade, v.gradeScore), nil
 }
 
 func getFlipStatsArrays(stats []*FlipStats) (answersArray, statesArray interface {
@@ -745,11 +746,13 @@ func getFlipStatsArrays(stats []*FlipStats) (answersArray, statesArray interface
 			convertAndAddAnswer(false, s.Cid, answer)
 			longAnswerCountsByAddr[answer.Address]++
 		}
+		gradeScore, _ := s.GradeScore.Float64()
 		convertedStates = append(convertedStates, postgresFlipsState{
-			flipCid: s.Cid,
-			answer:  s.Answer,
-			status:  s.Status,
-			grade:   s.Grade,
+			flipCid:    s.Cid,
+			answer:     s.Answer,
+			status:     s.Status,
+			grade:      s.Grade,
+			gradeScore: float32(gradeScore),
 		})
 		const gradeReported = 1
 		if s.Grade == byte(gradeReported) {
diff --git a/db/types.go b/db/types.go
index 91286cb..b56086f 100644
--- a/db/types.go
+++ b/db/types.go
@@ -338,6 +338,7 @@ type FlipStats struct {
 	Status       byte
 	Answer       byte
 	Grade        byte
+	GradeScore   decimal.Decimal
 }
 
 type Answer struct {
diff --git a/indexer/indexer.go b/indexer/indexer.go
index 2bea2f9..496bf88 100644
--- a/indexer/indexer.go
+++ b/indexer/indexer.go
@@ -968,6 +968,7 @@ func (indexer *Indexer) detectEpochResult(block *types.Block, ctx *conversionCon
 				Status:       convertFlipStatus(ceremony.FlipStatus(flipStats.Status)),
 				Answer:       convertAnswer(flipStats.Answer),
 				Grade:        byte(flipStats.Grade),
+				GradeScore:   flipStats.GradeScore,
 			}
 			flipsStatsByCid[flipStats.Cid] = flipStats
 			flipsStats = append(flipsStats, flipStats)
diff --git a/resources/scripts/indexer/init.sql b/resources/scripts/indexer/init.sql
index 11079ed..9913f28 100644
--- a/resources/scripts/indexer/init.sql
+++ b/resources/scripts/indexer/init.sql
@@ -723,6 +723,7 @@ CREATE TABLE IF NOT EXISTS flips
     status              smallint,
     delete_tx_id        bigint,
     grade               smallint,
+    grade_score         real,
     CONSTRAINT flips_pkey PRIMARY KEY (tx_id),
     CONSTRAINT flips_status_block_height_fkey FOREIGN KEY (status_block_height)
         REFERENCES blocks (height) MATCH SIMPLE
@@ -1792,10 +1793,11 @@ $$
     BEGIN
         CREATE TYPE tp_flip_state AS
         (
-            flip_cid character varying(100),
-            answer   smallint,
-            status   smallint,
-            grade    smallint
+            flip_cid   character varying(100),
+            answer     smallint,
+            status     smallint,
+            grade      smallint,
+            grade_score real
         );
     EXCEPTION
         WHEN duplicate_object THEN null;
@@ -3684,7 +3686,8 @@ BEGIN
     set status_block_height=null,
         status=null,
         answer=null,
-        grade=null
+        grade=null,
+        grade_score=null
     where status_block_height > p_block_height;
     update flips
     set delete_tx_id=null
diff --git a/resources/scripts/indexer/init/procedures/saveEpochResult.sql b/resources/scripts/indexer/init/procedures/saveEpochResult.sql
index 2c62562..fa42b00 100644
--- a/resources/scripts/indexer/init/procedures/saveEpochResult.sql
+++ b/resources/scripts/indexer/init/procedures/saveEpochResult.sql
@@ -319,6 +319,7 @@ BEGIN
                 SET STATUS=state.status,
                     ANSWER=state.answer,
                     GRADE=state.grade,
+                    GRADE_SCORE=state.grade_score,
                     STATUS_BLOCK_HEIGHT=block_height
                 WHERE lower(CID) = lower(state.flip_cid);
             end loop;
diff --git a/resources/scripts/migration/20230228-grade-score.sql b/resources/scripts/migration/20230228-grade-score.sql
new file mode 100644
index 0000000..4e3a3d7
--- /dev/null
+++ b/resources/scripts/migration/20230228-grade-score.sql
@@ -0,0 +1,4 @@
+DROP TYPE tp_flip_state CASCADE;
+
+ALTER TABLE flips
+    ADD COLUMN grade_score real;