diff --git a/crates/core/component/dex/src/component/position_manager.rs b/crates/core/component/dex/src/component/position_manager.rs
index daa02bd31b..fde5d6377a 100644
--- a/crates/core/component/dex/src/component/position_manager.rs
+++ b/crates/core/component/dex/src/component/position_manager.rs
@@ -18,7 +18,7 @@ use crate::component::{
     dex::StateReadExt as _,
     position_manager::{
         base_liquidity_index::AssetByLiquidityIndex, inventory_index::PositionByInventoryIndex,
-        price_index::PositionByPriceIndex,
+        price_index::PositionByPriceIndex, volume_tracker::PositionVolumeTracker,
     },
 };
 use crate::lp::Reserves;
@@ -518,6 +518,7 @@ trait Inner: StateWrite {
         self.update_trading_pair_position_counter(&prev_state, &new_state)
             .await?;
         self.update_position_by_price_index(&id, &prev_state, &new_state)?;
+        self.update_volume_index(&id, &prev_state, &new_state).await;
 
         self.put(state_key::position_by_id(&id), new_state.clone());
         Ok(new_state)
diff --git a/crates/core/component/dex/src/component/position_manager/volume_tracker.rs b/crates/core/component/dex/src/component/position_manager/volume_tracker.rs
index 2675a4e2d4..070ae71f3a 100644
--- a/crates/core/component/dex/src/component/position_manager/volume_tracker.rs
+++ b/crates/core/component/dex/src/component/position_manager/volume_tracker.rs
@@ -16,7 +16,7 @@ use penumbra_sdk_sct::component::clock::EpochRead;
 
 #[async_trait]
 pub(crate) trait PositionVolumeTracker: StateWrite {
-    async fn increase_volume_index(
+    async fn update_volume_index(
         &mut self,
         position_id: &position::Id,
         prev_state: &Option<Position>,