diff --git a/book/api/websocket.md b/book/api/websocket.md
index 83d7e941b9..5a6fbe1987 100644
--- a/book/api/websocket.md
+++ b/book/api/websocket.md
@@ -1619,14 +1619,15 @@ rooted.
 :::
 
 **`SlotRankings`**
-| Field                                         | Type       | Description |
-|-----------------------------------------------|------------|-------------|
-| {slots|vals}_{smallest|largest}_tips          | `number[]` | Rankings for the {smallest|largest} tips this epoch |
-| {slots|vals}_{smallest|largest}_fees          | `number[]` | Rankings for the {smallest|largest} fees this epoch |
-| {slots|vals}_{smallest|largest}_rewards       | `number[]` | Rankings for the {smallest|largest} rewards this epoch |
-| {slots|vals}_{smallest|largest}_duration      | `number[]` | Rankings for the {smallest|largest} slot durations this epoch |
-| {slots|vals}_{smallest|largest}_compute_units | `number[]` | Rankings for the {smallest|largest} compute units this epoch |
-| {slots|vals}_{smallest|largest}_skipped       | `number[]` | Rankings for the {earliest|latest} skipped slots this epoch |
+| Field                                          | Type       | Description |
+|------------------------------------------------|------------|-------------|
+| {slots|vals}_{smallest|largest}_tips           | `number[]` | Rankings for the {smallest|largest} tips this epoch |
+| {slots|vals}_{smallest|largest}_fees           | `number[]` | Rankings for the {smallest|largest} fees this epoch |
+| {slots|vals}_{smallest|largest}_rewards        | `number[]` | Rankings for the {smallest|largest} rewards this epoch |
+| {slots|vals}_{smallest|largest}_rewards_per_cu | `number[]` | Rankings for the {smallest|largest} rewards/cu ratio this epoch |
+| {slots|vals}_{smallest|largest}_duration       | `number[]` | Rankings for the {smallest|largest} slot durations this epoch |
+| {slots|vals}_{smallest|largest}_compute_units  | `number[]` | Rankings for the {smallest|largest} compute units this epoch |
+| {slots|vals}_{smallest|largest}_skipped        | `number[]` | Rankings for the {earliest|latest} skipped slots this epoch |
 
 Each metric in this message will have four associated arrays.
 
diff --git a/src/disco/gui/fd_gui.c b/src/disco/gui/fd_gui.c
index 4ba44a0691..59c33c4dfa 100644
--- a/src/disco/gui/fd_gui.c
+++ b/src/disco/gui/fd_gui.c
@@ -1094,11 +1094,12 @@ fd_gui_try_insert_ranking( fd_gui_t               * gui,
     }
 
     ulong dur = fd_gui_slot_duration( gui, slot );
-    if( FD_LIKELY( dur!=ULONG_MAX ) ) TRY_INSERT_SLOT( duration, slot->slot, dur );
-    TRY_INSERT_SLOT( tips,          slot->slot, slot->tips                      );
-    TRY_INSERT_SLOT( fees,          slot->slot, slot->priority_fee              );
-    TRY_INSERT_SLOT( rewards,       slot->slot, slot->tips + slot->priority_fee );
-    TRY_INSERT_SLOT( compute_units, slot->slot, slot->compute_units             );
+    if( FD_LIKELY( dur!=ULONG_MAX ) ) TRY_INSERT_SLOT( duration, slot->slot, dur                         );
+    TRY_INSERT_SLOT( tips,           slot->slot, slot->tips                                              );
+    TRY_INSERT_SLOT( fees,           slot->slot, slot->priority_fee                                      );
+    TRY_INSERT_SLOT( rewards,        slot->slot, slot->tips + slot->priority_fee                         );
+    TRY_INSERT_SLOT( rewards_per_cu, slot->slot, (slot->tips + slot->priority_fee) / slot->compute_units );
+    TRY_INSERT_SLOT( compute_units,  slot->slot, slot->compute_units                                     );
 #undef TRY_INSERT_SLOT
 }
 
diff --git a/src/disco/gui/fd_gui.h b/src/disco/gui/fd_gui.h
index fa81b83430..52bc5ebbce 100644
--- a/src/disco/gui/fd_gui.h
+++ b/src/disco/gui/fd_gui.h
@@ -311,18 +311,20 @@ typedef struct fd_gui_slot_ranking fd_gui_slot_ranking_t;
 #include "../../util/tmpl/fd_sort.c"
 
 struct fd_gui_slot_rankings {
-  fd_gui_slot_ranking_t largest_tips          [ FD_GUI_SLOT_RANKINGS_SZ+1UL ];
-  fd_gui_slot_ranking_t largest_fees          [ FD_GUI_SLOT_RANKINGS_SZ+1UL ];
-  fd_gui_slot_ranking_t largest_rewards       [ FD_GUI_SLOT_RANKINGS_SZ+1UL ];
-  fd_gui_slot_ranking_t largest_duration      [ FD_GUI_SLOT_RANKINGS_SZ+1UL ];
-  fd_gui_slot_ranking_t largest_compute_units [ FD_GUI_SLOT_RANKINGS_SZ+1UL ];
-  fd_gui_slot_ranking_t largest_skipped       [ FD_GUI_SLOT_RANKINGS_SZ+1UL ];
-  fd_gui_slot_ranking_t smallest_tips         [ FD_GUI_SLOT_RANKINGS_SZ+1UL ];
-  fd_gui_slot_ranking_t smallest_fees         [ FD_GUI_SLOT_RANKINGS_SZ+1UL ];
-  fd_gui_slot_ranking_t smallest_rewards      [ FD_GUI_SLOT_RANKINGS_SZ+1UL ];
-  fd_gui_slot_ranking_t smallest_duration     [ FD_GUI_SLOT_RANKINGS_SZ+1UL ];
-  fd_gui_slot_ranking_t smallest_compute_units[ FD_GUI_SLOT_RANKINGS_SZ+1UL ];
-  fd_gui_slot_ranking_t smallest_skipped      [ FD_GUI_SLOT_RANKINGS_SZ+1UL ];
+  fd_gui_slot_ranking_t largest_tips           [ FD_GUI_SLOT_RANKINGS_SZ+1UL ];
+  fd_gui_slot_ranking_t largest_fees           [ FD_GUI_SLOT_RANKINGS_SZ+1UL ];
+  fd_gui_slot_ranking_t largest_rewards        [ FD_GUI_SLOT_RANKINGS_SZ+1UL ];
+  fd_gui_slot_ranking_t largest_duration       [ FD_GUI_SLOT_RANKINGS_SZ+1UL ];
+  fd_gui_slot_ranking_t largest_compute_units  [ FD_GUI_SLOT_RANKINGS_SZ+1UL ];
+  fd_gui_slot_ranking_t largest_skipped        [ FD_GUI_SLOT_RANKINGS_SZ+1UL ];
+  fd_gui_slot_ranking_t largest_rewards_per_cu [ FD_GUI_SLOT_RANKINGS_SZ+1UL ];
+  fd_gui_slot_ranking_t smallest_tips          [ FD_GUI_SLOT_RANKINGS_SZ+1UL ];
+  fd_gui_slot_ranking_t smallest_fees          [ FD_GUI_SLOT_RANKINGS_SZ+1UL ];
+  fd_gui_slot_ranking_t smallest_rewards       [ FD_GUI_SLOT_RANKINGS_SZ+1UL ];
+  fd_gui_slot_ranking_t smallest_rewards_per_cu[ FD_GUI_SLOT_RANKINGS_SZ+1UL ];
+  fd_gui_slot_ranking_t smallest_duration      [ FD_GUI_SLOT_RANKINGS_SZ+1UL ];
+  fd_gui_slot_ranking_t smallest_compute_units [ FD_GUI_SLOT_RANKINGS_SZ+1UL ];
+  fd_gui_slot_ranking_t smallest_skipped       [ FD_GUI_SLOT_RANKINGS_SZ+1UL ];
 };
 
 typedef struct fd_gui_slot_rankings fd_gui_slot_rankings_t;
diff --git a/src/disco/gui/fd_gui_printf.c b/src/disco/gui/fd_gui_printf.c
index 7bd7918b96..42478ea65e 100644
--- a/src/disco/gui/fd_gui_printf.c
+++ b/src/disco/gui/fd_gui_printf.c
@@ -1185,12 +1185,14 @@ fd_gui_printf_slot_rankings_request( fd_gui_t * gui,
       OUTPUT_RANKING_ARRAY( largest_tips );
       OUTPUT_RANKING_ARRAY( largest_fees );
       OUTPUT_RANKING_ARRAY( largest_rewards );
+      OUTPUT_RANKING_ARRAY( largest_rewards_per_cu );
       OUTPUT_RANKING_ARRAY( largest_duration );
       OUTPUT_RANKING_ARRAY( largest_compute_units );
       OUTPUT_RANKING_ARRAY( largest_skipped );
       OUTPUT_RANKING_ARRAY( smallest_tips );
       OUTPUT_RANKING_ARRAY( smallest_fees );
       OUTPUT_RANKING_ARRAY( smallest_rewards );
+      OUTPUT_RANKING_ARRAY( smallest_rewards_per_cu );
       OUTPUT_RANKING_ARRAY( smallest_duration );
       OUTPUT_RANKING_ARRAY( smallest_compute_units );
       OUTPUT_RANKING_ARRAY( smallest_skipped );