diff --git a/pkg/strategy/rebalance/position_map.go b/pkg/strategy/rebalance/position_map.go
index 5bbbfeb9c..772d1726c 100644
--- a/pkg/strategy/rebalance/position_map.go
+++ b/pkg/strategy/rebalance/position_map.go
@@ -6,7 +6,7 @@ import (
 
 type PositionMap map[string]*types.Position
 
-func (m PositionMap) createPositions(markets []types.Market) PositionMap {
+func (m PositionMap) CreatePositions(markets []types.Market) PositionMap {
 	for _, market := range markets {
 		if _, ok := m[market.Symbol]; ok {
 			continue
diff --git a/pkg/strategy/rebalance/profit_stats_map.go b/pkg/strategy/rebalance/profit_stats_map.go
index b7db6c2fb..a84bf5cc9 100644
--- a/pkg/strategy/rebalance/profit_stats_map.go
+++ b/pkg/strategy/rebalance/profit_stats_map.go
@@ -4,7 +4,7 @@ import "github.com/c9s/bbgo/pkg/types"
 
 type ProfitStatsMap map[string]*types.ProfitStats
 
-func (m ProfitStatsMap) createProfitStats(markets []types.Market) ProfitStatsMap {
+func (m ProfitStatsMap) CreateProfitStats(markets []types.Market) ProfitStatsMap {
 	for _, market := range markets {
 		if _, ok := m[market.Symbol]; ok {
 			continue
diff --git a/pkg/strategy/rebalance/strategy.go b/pkg/strategy/rebalance/strategy.go
index e9650b704..e15e2507f 100644
--- a/pkg/strategy/rebalance/strategy.go
+++ b/pkg/strategy/rebalance/strategy.go
@@ -101,12 +101,12 @@ func (s *Strategy) Run(ctx context.Context, _ bbgo.OrderExecutor, session *bbgo.
 	if s.PositionMap == nil {
 		s.PositionMap = make(PositionMap)
 	}
-	s.PositionMap.createPositions(markets)
+	s.PositionMap.CreatePositions(markets)
 
 	if s.ProfitStatsMap == nil {
 		s.ProfitStatsMap = make(ProfitStatsMap)
 	}
-	s.ProfitStatsMap.createProfitStats(markets)
+	s.ProfitStatsMap.CreateProfitStats(markets)
 
 	s.orderExecutorMap = NewGeneralOrderExecutorMap(session, s.PositionMap)
 	s.orderExecutorMap.BindEnvironment(s.Environment)