diff --git a/include/config/item.h b/include/config/item.h
index c0575a352a..08e5e4d3bb 100644
--- a/include/config/item.h
+++ b/include/config/item.h
@@ -13,6 +13,7 @@
 #define I_GEM_BOOST_POWER               GEN_LATEST  // In Gen5+, the Gem boost power was reduced from 50% to 30%.
 #define I_USE_EVO_HELD_ITEMS_FROM_BAG   FALSE       // If TRUE, items such as Razor Claw or Electirizer will be usable from the bag to evolve a Pokémon just like in LA.
 #define I_TYPE_BOOST_POWER              GEN_LATEST  // In Gen4+, all regular type boosting held items had their power increased from 10% to 20%. eg. Charcoal
+#define I_SELL_VALUE_FRACTION           GEN_LATEST  // In Gen9+, items sell for 1/4 of their value instead of 1/2.
 
 // TM config
 #define I_REUSABLE_TMS          FALSE       // In Gen5-8, TMs are reusable. Setting this to TRUE will make all vanilla TMs reusable, though they can also be cherry-picked by setting their importance to 1.
diff --git a/include/item.h b/include/item.h
index d130500c07..da6faa4864 100644
--- a/include/item.h
+++ b/include/item.h
@@ -9,17 +9,17 @@ typedef void (*ItemUseFunc)(u8);
 
 struct Item
 {
+    u32 price;
+    u16 secondaryId;
+    ItemUseFunc fieldUseFunc;
+    const u8 *description;
     u8 name[ITEM_NAME_LENGTH];
-    u16 price;
     u8 holdEffect;
     u8 holdEffectParam;
-    const u8 *description;
     u8 importance;
     u8 pocket;
     u8 type;
-    ItemUseFunc fieldUseFunc;
     u8 battleUsage;
-    u16 secondaryId;
     u8 flingPower;
 };
 
diff --git a/src/data/items.h b/src/data/items.h
index 6990e7cded..1093d29122 100644
--- a/src/data/items.h
+++ b/src/data/items.h
@@ -15,7 +15,7 @@
 #endif
 
 #if I_TYPE_BOOST_POWER >= GEN_4 // For non Pokémon-specific type-boosting held items.
-    #define TYPE_BOOST_PARAM 20 
+    #define TYPE_BOOST_PARAM 20
 #else
     #define TYPE_BOOST_PARAM 10
 #endif
diff --git a/src/item_menu.c b/src/item_menu.c
index 2248e2836f..8067742579 100755
--- a/src/item_menu.c
+++ b/src/item_menu.c
@@ -2098,11 +2098,17 @@ static void Task_ItemContext_Sell(u8 taskId)
     }
 }
 
+#if I_SELL_VALUE_FRACTION >= GEN_9
+#define ITEM_SELL_FACTOR 4
+#else
+#define ITEM_SELL_FACTOR 2
+#endif
+
 static void DisplaySellItemPriceAndConfirm(u8 taskId)
 {
     s16 *data = gTasks[taskId].data;
 
-    ConvertIntToDecimalStringN(gStringVar1, (ItemId_GetPrice(gSpecialVar_ItemId) / 2) * tItemCount, STR_CONV_MODE_LEFT_ALIGN, 6);
+    ConvertIntToDecimalStringN(gStringVar1, (ItemId_GetPrice(gSpecialVar_ItemId) / ITEM_SELL_FACTOR) * tItemCount, STR_CONV_MODE_LEFT_ALIGN, 6);
     StringExpandPlaceholders(gStringVar4, gText_ICanPayVar1);
     DisplayItemMessage(taskId, FONT_NORMAL, gStringVar4, AskSellItems);
 }
@@ -2127,7 +2133,7 @@ static void InitSellHowManyInput(u8 taskId)
     s16 *data = gTasks[taskId].data;
     u8 windowId = BagMenu_AddWindow(ITEMWIN_QUANTITY_WIDE);
 
-    PrintItemSoldAmount(windowId, 1, (ItemId_GetPrice(gSpecialVar_ItemId) / 2) * tItemCount);
+    PrintItemSoldAmount(windowId, 1, (ItemId_GetPrice(gSpecialVar_ItemId) / ITEM_SELL_FACTOR) * tItemCount);
     DisplayCurrentMoneyWindow();
     gTasks[taskId].func = Task_ChooseHowManyToSell;
 }
@@ -2138,7 +2144,7 @@ static void Task_ChooseHowManyToSell(u8 taskId)
 
     if (AdjustQuantityAccordingToDPadInput(&tItemCount, tQuantity) == TRUE)
     {
-        PrintItemSoldAmount(gBagMenu->windowIds[ITEMWIN_QUANTITY_WIDE], tItemCount, (ItemId_GetPrice(gSpecialVar_ItemId) / 2) * tItemCount);
+        PrintItemSoldAmount(gBagMenu->windowIds[ITEMWIN_QUANTITY_WIDE], tItemCount, (ItemId_GetPrice(gSpecialVar_ItemId) / ITEM_SELL_FACTOR) * tItemCount);
     }
     else if (JOY_NEW(A_BUTTON))
     {
@@ -2162,7 +2168,7 @@ static void ConfirmSell(u8 taskId)
     s16 *data = gTasks[taskId].data;
 
     CopyItemName(gSpecialVar_ItemId, gStringVar2);
-    ConvertIntToDecimalStringN(gStringVar1, (ItemId_GetPrice(gSpecialVar_ItemId) / 2) * tItemCount, STR_CONV_MODE_LEFT_ALIGN, 6);
+    ConvertIntToDecimalStringN(gStringVar1, (ItemId_GetPrice(gSpecialVar_ItemId) / ITEM_SELL_FACTOR) * tItemCount, STR_CONV_MODE_LEFT_ALIGN, 6);
     StringExpandPlaceholders(gStringVar4, gText_TurnedOverVar1ForVar2);
     DisplayItemMessage(taskId, FONT_NORMAL, gStringVar4, SellItem);
 }
@@ -2175,7 +2181,7 @@ static void SellItem(u8 taskId)
 
     PlaySE(SE_SHOP);
     RemoveBagItem(gSpecialVar_ItemId, tItemCount);
-    AddMoney(&gSaveBlock1Ptr->money, (ItemId_GetPrice(gSpecialVar_ItemId) / 2) * tItemCount);
+    AddMoney(&gSaveBlock1Ptr->money, (ItemId_GetPrice(gSpecialVar_ItemId) / ITEM_SELL_FACTOR) * tItemCount);
     DestroyListMenuTask(tListTaskId, scrollPos, cursorPos);
     UpdatePocketItemList(gBagPosition.pocket);
     UpdatePocketListPosition(gBagPosition.pocket);