diff --git a/.gitignore b/.gitignore
index bdc8b3e..660eeeb 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,3 +5,4 @@ coverage
 tmp
 build
 *.log
+db.sql
\ No newline at end of file
diff --git a/db/migrations/000001_fortune.up.sql b/db/migrations/000001_fortune.up.sql
index 4fb809e..7f5896f 100644
--- a/db/migrations/000001_fortune.up.sql
+++ b/db/migrations/000001_fortune.up.sql
@@ -231,7 +231,8 @@ CREATE TABLE odds (
     source TEXT DEFAULT 'b365api',
     is_active BOOLEAN DEFAULT true,
     UNIQUE (market_id, name, handicap),
-    UNIQUE (event_id, market_id, name, handicap)
+    UNIQUE (event_id, market_id, name, handicap),
+    UNIQUE (event_id, market_id)
 );
 ALTER TABLE refresh_tokens
 ADD CONSTRAINT fk_refresh_tokens_users FOREIGN KEY (user_id) REFERENCES users(id);
diff --git a/internal/web_server/cron.go b/internal/web_server/cron.go
index 5aaa06d..7cf442f 100644
--- a/internal/web_server/cron.go
+++ b/internal/web_server/cron.go
@@ -20,7 +20,8 @@ func StartDataFetchingCrons(eventService eventsvc.Service, oddsService oddssvc.S
 	}{
 
 		{
-			spec: "*/30 * * * * *", // Every 30 seconds
+			
+			spec: "0 0 * * * *", // Every hour
 			task: func() {
 				if err := eventService.FetchUpcomingEvents(context.Background()); err != nil {
 					log.Printf("FetchUpcomingEvents error: %v", err)
@@ -38,7 +39,7 @@ func StartDataFetchingCrons(eventService eventsvc.Service, oddsService oddssvc.S
 		// },
 
 		{
-			spec: "*/5 * * * * *", // Every 5 seconds
+			spec: "0 */15 * * * *", // Every 15 minutes
 			task: func() {
 				if err := oddsService.FetchNonLiveOdds(context.Background()); err != nil {
 					log.Printf("FetchNonLiveOdds error: %v", err)