diff --git a/stacks/monitoring/modules/monitoring/dashboards/wealth.json b/stacks/monitoring/modules/monitoring/dashboards/wealth.json
index a44f8037..65da044b 100644
--- a/stacks/monitoring/modules/monitoring/dashboards/wealth.json
+++ b/stacks/monitoring/modules/monitoring/dashboards/wealth.json
@@ -1705,8 +1705,8 @@
     {
       "id": 25,
       "title": "Monthly contributions vs market gain",
-      "description": "Each month split into 'new money in' (contributions) and 'market gain' (everything else). Side-by-side bars, so months where market gain exceeds contributions are visually obvious — that's the inflection point where your investments out-earn your savings.",
-      "type": "barchart",
+      "description": "Each month's net contributions vs market gain as two lines. Where the green (market) line crosses above the blue (contributions) line is when investments out-earn savings for that month. Months below zero on the green line = market drawdowns.",
+      "type": "timeseries",
       "datasource": {
         "type": "grafana-postgresql-datasource",
         "uid": "wealth-pg"
@@ -1725,26 +1725,20 @@
           "unit": "currencyGBP",
           "decimals": 0,
           "custom": {
+            "drawStyle": "line",
+            "lineWidth": 2,
+            "fillOpacity": 0,
+            "pointSize": 5,
+            "showPoints": "auto",
+            "spanNulls": true,
             "axisPlacement": "auto",
-            "axisLabel": "",
-            "fillOpacity": 80,
-            "gradientMode": "none",
-            "lineWidth": 1
+            "stacking": {
+              "group": "A",
+              "mode": "none"
+            }
           }
         },
         "overrides": [
-          {
-            "matcher": {
-              "id": "byName",
-              "options": "month"
-            },
-            "properties": [
-              {
-                "id": "unit",
-                "value": "string"
-              }
-            ]
-          },
           {
             "matcher": {
               "id": "byName",
@@ -1786,16 +1780,9 @@
         ]
       },
       "options": {
-        "barRadius": 0,
-        "barWidth": 0.7,
-        "groupWidth": 0.75,
-        "orientation": "auto",
-        "showValue": "auto",
-        "stacking": "none",
-        "xField": "month",
-        "xTickLabelRotation": -45,
         "legend": {
           "calcs": [
+            "last",
             "sum"
           ],
           "displayMode": "table",
@@ -1815,8 +1802,8 @@
           },
           "rawQuery": true,
           "editorMode": "code",
-          "format": "table",
-          "rawSql": "WITH active_count AS (SELECT COUNT(*) AS n FROM accounts), max_complete AS (SELECT MAX(valuation_date) AS d FROM (SELECT d.valuation_date, COUNT(*) AS c FROM daily_account_valuation d JOIN accounts a ON a.id = d.account_id GROUP BY d.valuation_date) x WHERE c >= (SELECT n FROM active_count)), monthly AS (SELECT date_trunc('month', valuation_date)::date AS month, valuation_date, SUM(total_value) AS nw, SUM(net_contribution) AS contrib FROM daily_account_valuation WHERE valuation_date <= (SELECT d FROM max_complete) GROUP BY valuation_date), endpoints AS (SELECT month, (array_agg(nw ORDER BY valuation_date ASC))[1] AS nw_start, (array_agg(nw ORDER BY valuation_date DESC))[1] AS nw_end, (array_agg(contrib ORDER BY valuation_date ASC))[1] AS contrib_start, (array_agg(contrib ORDER BY valuation_date DESC))[1] AS contrib_end FROM monthly GROUP BY month) SELECT month::text AS month, ROUND((contrib_end - contrib_start)::numeric, 0) AS contributions, ROUND((nw_end - nw_start - (contrib_end - contrib_start))::numeric, 0) AS market_gain FROM endpoints ORDER BY month"
+          "format": "time_series",
+          "rawSql": "WITH active_count AS (SELECT COUNT(*) AS n FROM accounts), max_complete AS (SELECT MAX(valuation_date) AS d FROM (SELECT d.valuation_date, COUNT(*) AS c FROM daily_account_valuation d JOIN accounts a ON a.id = d.account_id GROUP BY d.valuation_date) x WHERE c >= (SELECT n FROM active_count)), monthly AS (SELECT date_trunc('month', valuation_date)::date AS month, valuation_date, SUM(total_value) AS nw, SUM(net_contribution) AS contrib FROM daily_account_valuation WHERE valuation_date <= (SELECT d FROM max_complete) GROUP BY valuation_date), endpoints AS (SELECT month, (array_agg(nw ORDER BY valuation_date ASC))[1] AS nw_start, (array_agg(nw ORDER BY valuation_date DESC))[1] AS nw_end, (array_agg(contrib ORDER BY valuation_date ASC))[1] AS contrib_start, (array_agg(contrib ORDER BY valuation_date DESC))[1] AS contrib_end FROM monthly GROUP BY month) SELECT month::timestamp AS time, ROUND((contrib_end - contrib_start)::numeric, 0) AS contributions, ROUND((nw_end - nw_start - (contrib_end - contrib_start))::numeric, 0) AS market_gain FROM endpoints ORDER BY month"
         }
       ]
     },