diff --git a/src/ui/windows/market_tab.cpp b/src/ui/windows/market_tab.cpp
index 6b34914..05bb63d 100644
--- a/src/ui/windows/market_tab.cpp
+++ b/src/ui/windows/market_tab.cpp
@@ -182,8 +182,14 @@ static void RenderPortfolioEditor(App* app)
         Type().textColored(TypeStyle::Caption, OnSurfaceMedium(), selc);
         ImGui::Dummy(ImVec2(0, Layout::spacingXs()));
 
-        // Address checklist.
-        ImGui::BeginChild("##pfAddrList", ImVec2(0, -ImGui::GetFrameHeightWithSpacing() * 1.5f), true);
+        // Address checklist. The overlay dialog auto-resizes to its content
+        // (ImGuiChildFlags_AutoResizeY), so a negative "fill-remaining" height collapses to ~0
+        // here — size the list to its rows instead, capped at 40% of the viewport so a large
+        // wallet scrolls rather than running off-screen.
+        float pfRowH = ImGui::GetFrameHeightWithSpacing();
+        int   pfRows = std::max(1, (int)state.addresses.size());
+        float pfListH = std::min(pfRows * pfRowH, ImGui::GetMainViewport()->Size.y * 0.4f);
+        ImGui::BeginChild("##pfAddrList", ImVec2(0, pfListH), true);
         for (const auto& a : state.addresses) {
             bool inSet = data::PortfolioEntryContains(s_pf_addrs, a.address);
             char line[192];