diff --git a/crypto_monitor_binance/templates/index.html b/crypto_monitor_binance/templates/index.html
index eaf0ee3..90d5b9f 100644
--- a/crypto_monitor_binance/templates/index.html
+++ b/crypto_monitor_binance/templates/index.html
@@ -851,7 +851,7 @@
 <script src="/static/form_submit_guard.js?v=2"></script>
 <script src="/static/manual_order_rr_preview.js?v=5"></script>
 <script src="/static/strategy_roll.js?v=5"></script>
-<script src="/static/trade_stats_calendar.js?v=1"></script>
+<script src="/static/trade_stats_calendar.js?v=2"></script>
 <script>
 const JOURNAL_ENTRY_REASON_OPTIONS = {{ entry_reason_options | tojson }};
 const JOURNAL_ENTRY_REASON_OTHER = {{ entry_reason_other_value | tojson }};
@@ -1510,36 +1510,7 @@ function switchStatsSegment(){
     q.set("stats_segment", key);
     const qs = q.toString();
     history.replaceState(null, "", qs ? (window.location.pathname + "?" + qs) : window.location.pathname);
-    if(statsCalendarWidget) statsCalendarWidget.load();
-}
-
-let statsCalendarWidget = null;
-
-function initStatsCalendarWidget(){
-    const grid = document.getElementById("stats-calendar");
-    if(!grid || !window.TradeStatsCalendar) return;
-    statsCalendarWidget = new TradeStatsCalendar({
-        gridEl: grid,
-        titleEl: document.getElementById("stats-cal-title"),
-        prevBtn: document.getElementById("stats-cal-prev"),
-        nextBtn: document.getElementById("stats-cal-next"),
-        apiUrl: "/api/stats/calendar",
-        showSick: false,
-        buildQuery: function(year, month){
-            const q = new URLSearchParams();
-            q.set("year", String(year));
-            q.set("month", String(month));
-            const sel = document.getElementById("stats-segment-select");
-            if(sel) q.set("segment", sel.value || "all");
-            return q;
-        },
-        parseResponse: function(data){
-            if(data && data.ok === false) return {};
-            return (data && data.days) || {};
-        }
-    });
-    statsCalendarWidget.ensureMonth(new Date());
-    statsCalendarWidget.load();
+    if(window.statsCalendarWidget) window.statsCalendarWidget.load();
 }
 
 function initStatsSegmentFromUrl(){
@@ -1563,7 +1534,7 @@ function toggleStatsCard(){
 attachListWindowToExports();
 toggleListWindowCustom();
 initStatsSegmentFromUrl();
-initStatsCalendarWidget();
+if(typeof initInstanceStatsCalendar === "function") initInstanceStatsCalendar();
 if(document.getElementById("journal-list")) loadJournals();
 if(document.getElementById("review-list")) loadReviews();
 const reviewToggle = document.getElementById("review-mode-toggle");
diff --git a/crypto_monitor_gate/templates/index.html b/crypto_monitor_gate/templates/index.html
index 44ec8a5..385cf2d 100644
--- a/crypto_monitor_gate/templates/index.html
+++ b/crypto_monitor_gate/templates/index.html
@@ -818,7 +818,7 @@
 <script src="/static/form_submit_guard.js?v=2"></script>
 <script src="/static/manual_order_rr_preview.js?v=5"></script>
 <script src="/static/strategy_roll.js?v=5"></script>
-<script src="/static/trade_stats_calendar.js?v=1"></script>
+<script src="/static/trade_stats_calendar.js?v=2"></script>
 <script>
 const JOURNAL_ENTRY_REASON_OPTIONS = {{ entry_reason_options | tojson }};
 const JOURNAL_ENTRY_REASON_OTHER = {{ entry_reason_other_value | tojson }};
@@ -1477,36 +1477,7 @@ function switchStatsSegment(){
     q.set("stats_segment", key);
     const qs = q.toString();
     history.replaceState(null, "", qs ? (window.location.pathname + "?" + qs) : window.location.pathname);
-    if(statsCalendarWidget) statsCalendarWidget.load();
-}
-
-let statsCalendarWidget = null;
-
-function initStatsCalendarWidget(){
-    const grid = document.getElementById("stats-calendar");
-    if(!grid || !window.TradeStatsCalendar) return;
-    statsCalendarWidget = new TradeStatsCalendar({
-        gridEl: grid,
-        titleEl: document.getElementById("stats-cal-title"),
-        prevBtn: document.getElementById("stats-cal-prev"),
-        nextBtn: document.getElementById("stats-cal-next"),
-        apiUrl: "/api/stats/calendar",
-        showSick: false,
-        buildQuery: function(year, month){
-            const q = new URLSearchParams();
-            q.set("year", String(year));
-            q.set("month", String(month));
-            const sel = document.getElementById("stats-segment-select");
-            if(sel) q.set("segment", sel.value || "all");
-            return q;
-        },
-        parseResponse: function(data){
-            if(data && data.ok === false) return {};
-            return (data && data.days) || {};
-        }
-    });
-    statsCalendarWidget.ensureMonth(new Date());
-    statsCalendarWidget.load();
+    if(window.statsCalendarWidget) window.statsCalendarWidget.load();
 }
 
 function initStatsSegmentFromUrl(){
@@ -1530,7 +1501,7 @@ function toggleStatsCard(){
 attachListWindowToExports();
 toggleListWindowCustom();
 initStatsSegmentFromUrl();
-initStatsCalendarWidget();
+if(typeof initInstanceStatsCalendar === "function") initInstanceStatsCalendar();
 if(document.getElementById("journal-list")) loadJournals();
 if(document.getElementById("review-list")) loadReviews();
 const reviewToggle = document.getElementById("review-mode-toggle");
diff --git a/crypto_monitor_gate_bot/templates/index.html b/crypto_monitor_gate_bot/templates/index.html
index 44ec8a5..385cf2d 100644
--- a/crypto_monitor_gate_bot/templates/index.html
+++ b/crypto_monitor_gate_bot/templates/index.html
@@ -818,7 +818,7 @@
 <script src="/static/form_submit_guard.js?v=2"></script>
 <script src="/static/manual_order_rr_preview.js?v=5"></script>
 <script src="/static/strategy_roll.js?v=5"></script>
-<script src="/static/trade_stats_calendar.js?v=1"></script>
+<script src="/static/trade_stats_calendar.js?v=2"></script>
 <script>
 const JOURNAL_ENTRY_REASON_OPTIONS = {{ entry_reason_options | tojson }};
 const JOURNAL_ENTRY_REASON_OTHER = {{ entry_reason_other_value | tojson }};
@@ -1477,36 +1477,7 @@ function switchStatsSegment(){
     q.set("stats_segment", key);
     const qs = q.toString();
     history.replaceState(null, "", qs ? (window.location.pathname + "?" + qs) : window.location.pathname);
-    if(statsCalendarWidget) statsCalendarWidget.load();
-}
-
-let statsCalendarWidget = null;
-
-function initStatsCalendarWidget(){
-    const grid = document.getElementById("stats-calendar");
-    if(!grid || !window.TradeStatsCalendar) return;
-    statsCalendarWidget = new TradeStatsCalendar({
-        gridEl: grid,
-        titleEl: document.getElementById("stats-cal-title"),
-        prevBtn: document.getElementById("stats-cal-prev"),
-        nextBtn: document.getElementById("stats-cal-next"),
-        apiUrl: "/api/stats/calendar",
-        showSick: false,
-        buildQuery: function(year, month){
-            const q = new URLSearchParams();
-            q.set("year", String(year));
-            q.set("month", String(month));
-            const sel = document.getElementById("stats-segment-select");
-            if(sel) q.set("segment", sel.value || "all");
-            return q;
-        },
-        parseResponse: function(data){
-            if(data && data.ok === false) return {};
-            return (data && data.days) || {};
-        }
-    });
-    statsCalendarWidget.ensureMonth(new Date());
-    statsCalendarWidget.load();
+    if(window.statsCalendarWidget) window.statsCalendarWidget.load();
 }
 
 function initStatsSegmentFromUrl(){
@@ -1530,7 +1501,7 @@ function toggleStatsCard(){
 attachListWindowToExports();
 toggleListWindowCustom();
 initStatsSegmentFromUrl();
-initStatsCalendarWidget();
+if(typeof initInstanceStatsCalendar === "function") initInstanceStatsCalendar();
 if(document.getElementById("journal-list")) loadJournals();
 if(document.getElementById("review-list")) loadReviews();
 const reviewToggle = document.getElementById("review-mode-toggle");
diff --git a/crypto_monitor_okx/templates/index.html b/crypto_monitor_okx/templates/index.html
index 552338b..492011a 100644
--- a/crypto_monitor_okx/templates/index.html
+++ b/crypto_monitor_okx/templates/index.html
@@ -847,7 +847,7 @@
 <script src="/static/form_submit_guard.js?v=2"></script>
 <script src="/static/manual_order_rr_preview.js?v=5"></script>
 <script src="/static/strategy_roll.js?v=5"></script>
-<script src="/static/trade_stats_calendar.js?v=1"></script>
+<script src="/static/trade_stats_calendar.js?v=2"></script>
 <script>
 const JOURNAL_ENTRY_REASON_OPTIONS = {{ entry_reason_options | tojson }};
 const JOURNAL_ENTRY_REASON_OTHER = {{ entry_reason_other_value | tojson }};
@@ -1506,36 +1506,7 @@ function switchStatsSegment(){
     q.set("stats_segment", key);
     const qs = q.toString();
     history.replaceState(null, "", qs ? (window.location.pathname + "?" + qs) : window.location.pathname);
-    if(statsCalendarWidget) statsCalendarWidget.load();
-}
-
-let statsCalendarWidget = null;
-
-function initStatsCalendarWidget(){
-    const grid = document.getElementById("stats-calendar");
-    if(!grid || !window.TradeStatsCalendar) return;
-    statsCalendarWidget = new TradeStatsCalendar({
-        gridEl: grid,
-        titleEl: document.getElementById("stats-cal-title"),
-        prevBtn: document.getElementById("stats-cal-prev"),
-        nextBtn: document.getElementById("stats-cal-next"),
-        apiUrl: "/api/stats/calendar",
-        showSick: false,
-        buildQuery: function(year, month){
-            const q = new URLSearchParams();
-            q.set("year", String(year));
-            q.set("month", String(month));
-            const sel = document.getElementById("stats-segment-select");
-            if(sel) q.set("segment", sel.value || "all");
-            return q;
-        },
-        parseResponse: function(data){
-            if(data && data.ok === false) return {};
-            return (data && data.days) || {};
-        }
-    });
-    statsCalendarWidget.ensureMonth(new Date());
-    statsCalendarWidget.load();
+    if(window.statsCalendarWidget) window.statsCalendarWidget.load();
 }
 
 function initStatsSegmentFromUrl(){
@@ -1559,7 +1530,7 @@ function toggleStatsCard(){
 attachListWindowToExports();
 toggleListWindowCustom();
 initStatsSegmentFromUrl();
-initStatsCalendarWidget();
+if(typeof initInstanceStatsCalendar === "function") initInstanceStatsCalendar();
 if(document.getElementById("journal-list")) loadJournals();
 if(document.getElementById("review-list")) loadReviews();
 const reviewToggle = document.getElementById("review-mode-toggle");
diff --git a/embed_templates/embed_boot_scripts.html b/embed_templates/embed_boot_scripts.html
index dd86113..d4b8744 100644
--- a/embed_templates/embed_boot_scripts.html
+++ b/embed_templates/embed_boot_scripts.html
@@ -664,36 +664,7 @@ function switchStatsSegment(){
     q.set("stats_segment", key);
     const qs = q.toString();
     history.replaceState(null, "", qs ? (window.location.pathname + "?" + qs) : window.location.pathname);
-    if(statsCalendarWidget) statsCalendarWidget.load();
-}
-
-let statsCalendarWidget = null;
-
-function initStatsCalendarWidget(){
-    const grid = document.getElementById("stats-calendar");
-    if(!grid || !window.TradeStatsCalendar) return;
-    statsCalendarWidget = new TradeStatsCalendar({
-        gridEl: grid,
-        titleEl: document.getElementById("stats-cal-title"),
-        prevBtn: document.getElementById("stats-cal-prev"),
-        nextBtn: document.getElementById("stats-cal-next"),
-        apiUrl: "/api/stats/calendar",
-        showSick: false,
-        buildQuery: function(year, month){
-            const q = new URLSearchParams();
-            q.set("year", String(year));
-            q.set("month", String(month));
-            const sel = document.getElementById("stats-segment-select");
-            if(sel) q.set("segment", sel.value || "all");
-            return q;
-        },
-        parseResponse: function(data){
-            if(data && data.ok === false) return {};
-            return (data && data.days) || {};
-        }
-    });
-    statsCalendarWidget.ensureMonth(new Date());
-    statsCalendarWidget.load();
+    if(window.statsCalendarWidget) window.statsCalendarWidget.load();
 }
 
 function initStatsSegmentFromUrl(){
@@ -730,7 +701,7 @@ attachListWindowToExports();
 toggleListWindowCustom();
 bindListWindowDateAutoCustom();
 initStatsSegmentFromUrl();
-initStatsCalendarWidget();
+if(typeof initInstanceStatsCalendar === "function") initInstanceStatsCalendar();
 if(document.getElementById("journal-list")) loadJournals();
 if(document.getElementById("review-list")) loadReviews();
 const reviewToggle = document.getElementById("review-mode-toggle");
diff --git a/embed_templates/embed_shell.html b/embed_templates/embed_shell.html
index 34012a7..403fed5 100644
--- a/embed_templates/embed_shell.html
+++ b/embed_templates/embed_shell.html
@@ -121,8 +121,8 @@
 <script src="/static/manual_order_rr_preview.js?v=5"></script>
 <script src="/static/strategy_roll.js?v=5"></script>
 <script src="/static/key_monitor_form.js?v=2"></script>
-<script src="/static/trade_stats_calendar.js?v=1"></script>
+<script src="/static/trade_stats_calendar.js?v=2"></script>
 {% include 'embed_boot_scripts.html' %}
-<script src="/static/instance_embed.js?v=4"></script>
+<script src="/static/instance_embed.js?v=5"></script>
 </body>
 </html>
diff --git a/static/instance_embed.js b/static/instance_embed.js
index 2fb63f0..7e90b8e 100644
--- a/static/instance_embed.js
+++ b/static/instance_embed.js
@@ -76,6 +76,10 @@
       if (typeof global.loadReviews === "function") global.loadReviews();
       if (typeof global.toggleReviewMode === "function") global.toggleReviewMode();
     }
+    if (tab === "stats") {
+      if (typeof global.initStatsSegmentFromUrl === "function") global.initStatsSegmentFromUrl();
+      if (typeof global.initInstanceStatsCalendar === "function") global.initInstanceStatsCalendar();
+    }
     if (typeof global.refreshPriceSnapshotConditional === "function") {
       global.refreshPriceSnapshotConditional();
     }
diff --git a/static/trade_stats_calendar.js b/static/trade_stats_calendar.js
index 866478c..1c352dc 100644
--- a/static/trade_stats_calendar.js
+++ b/static/trade_stats_calendar.js
@@ -71,7 +71,7 @@
 
   TradeStatsCalendar.prototype.render = function () {
     if (!this.gridEl || !this.titleEl) return;
-    this.ensureMonth(new Date());
+    if (this.year <= 0 || this.month <= 0) this.ensureMonth(new Date());
     this.titleEl.textContent = monthLabel(this.year, this.month);
     var first = new Date(this.year, this.month - 1, 1);
     var lastDay = new Date(this.year, this.month, 0).getDate();
@@ -149,6 +149,7 @@
 
   TradeStatsCalendar.prototype.load = async function () {
     this.ensureMonth(new Date());
+    this.render();
     var q = this.buildQuery(this.year, this.month);
     if (!q.has("year")) q.set("year", String(this.year));
     if (!q.has("month")) q.set("month", String(this.month));
@@ -160,6 +161,10 @@
         var resp = await fetch(this.apiUrl + "?" + q.toString(), {
           credentials: "same-origin",
         });
+        if (!resp.ok) {
+          console.warn("[trade calendar] api", resp.status);
+          return;
+        }
         data = await resp.json();
       }
       this.days = this.parseResponse(data) || {};
@@ -167,6 +172,7 @@
       if (this.onMonthChange) this.onMonthChange(this.year, this.month, this.days);
     } catch (e) {
       console.warn("[trade calendar]", e);
+      this.render();
     }
   };
 
@@ -200,4 +206,36 @@
   };
 
   global.TradeStatsCalendar = TradeStatsCalendar;
+
+  global.statsCalendarWidget = null;
+
+  global.initInstanceStatsCalendar = function () {
+    var grid = document.getElementById("stats-calendar");
+    if (!grid || !global.TradeStatsCalendar) return null;
+    global.statsCalendarWidget = new TradeStatsCalendar({
+      gridEl: grid,
+      titleEl: document.getElementById("stats-cal-title"),
+      prevBtn: document.getElementById("stats-cal-prev"),
+      nextBtn: document.getElementById("stats-cal-next"),
+      apiUrl: "/api/stats/calendar",
+      showSick: false,
+      buildQuery: function (year, month) {
+        var q = new URLSearchParams();
+        q.set("year", String(year));
+        q.set("month", String(month));
+        var sel = document.getElementById("stats-segment-select");
+        if (sel) q.set("segment", sel.value || "all");
+        return q;
+      },
+      parseResponse: function (data) {
+        if (data && data.ok === false) return {};
+        return (data && data.days) || {};
+      },
+    });
+    global.statsCalendarWidget.render();
+    void global.statsCalendarWidget.load();
+    return global.statsCalendarWidget;
+  };
+
+  global.initStatsCalendarWidget = global.initInstanceStatsCalendar;
 })(window);