diff --git a/backend/app/themes.py b/backend/app/themes.py
index ef5dc90..fbe35fd 100644
--- a/backend/app/themes.py
+++ b/backend/app/themes.py
@@ -17,6 +17,7 @@ were the same timestamp — see `frequency` on each scored theme.
from __future__ import annotations
+import statistics
from dataclasses import dataclass
from typing import Optional
@@ -200,8 +201,22 @@ def symbol_breakdown(
d = fac.get("dividend_yield") or 0.0
g = float(g) if g is not None else 0.0
raw_siamchart = g + d * 2.0
- # z-score against the full universe (same as build_siamchart_score)
- siamchart_score = build_siamchart_score(factor_view).get(symbol, 0.0)
+
+ # z-score against the full universe (same as build_siamchart_score); capture
+ # the population stats so the view can show HOW -2.8 became -0.588.
+ siamchart_map = build_siamchart_score(factor_view)
+ siamchart_score = siamchart_map.get(symbol, 0.0)
+ # recompute the population of raw scores to expose mean / stdev
+ raw_values = []
+ for f in factor_view.get("factors", []):
+ if not f.get("symbol"):
+ continue
+ gg = f.get("eps_growth_yoy")
+ dd = f.get("dividend_yield") or 0.0
+ gg = float(gg) if gg is not None else 0.0
+ raw_values.append(gg + dd * 2.0)
+ pop_mean = statistics.mean(raw_values) if raw_values else 0.0
+ pop_stdev = statistics.pstdev(raw_values) if raw_values else 0.0
combined = round(weight_theme * theme_score + weight_siamchart * siamchart_score, 3)
@@ -217,7 +232,22 @@ def symbol_breakdown(
"dividend_yield": fac.get("dividend_yield"),
"raw_growth_plus_yield_2x": round(raw_siamchart, 3),
},
+ "siamchart_z_note": {
+ "formula": "z = (raw_i - mean) / stdev",
+ "raw_i": round(raw_siamchart, 3),
+ "population_mean": round(pop_mean, 3),
+ "population_stdev": round(pop_stdev, 3),
+ "universe_size": len(raw_values),
+ },
+ "combined_calc": [
+ {"label": "คะแนนธีม", "value": round(theme_score, 3), "weight": weight_theme,
+ "note": "ค่าเฉลี่ยของ theme surprise ที่หุ้นนี้อยู่ใน", "term": f"{theme_score:.3f} × {weight_theme}"},
+ {"label": "คะแนนพื้นฐาน", "value": round(siamchart_score, 3), "weight": weight_siamchart,
+ "note": f"z-score ของ ((EPS growth {g:+.1f}%) + ปันผล {d:.1f}%×2) เมื่อเทียบทั้ง universe",
+ "term": f"{siamchart_score:.3f} × {weight_siamchart}"},
+ ],
"combined_score": combined,
+ "combined_formula": f"({theme_score:.3f} × {weight_theme}) + ({siamchart_score:.3f} × {weight_siamchart}) = {combined}",
"weights": {"theme": weight_theme, "siamchart": weight_siamchart},
"fundamentals": {
"pe": fac.get("pe"),
diff --git a/frontend/src/App.vue b/frontend/src/App.vue
index ab910e1..cfd4de9 100644
--- a/frontend/src/App.vue
+++ b/frontend/src/App.vue
@@ -93,6 +93,7 @@ const filteredFactorRows = computed(() => {
// Numeric accessor used for sorting columns.
function factorValue(row, key) {
if (key === 'signal_score') return row.signal_score ?? (row.signal_side === 'LONG' ? 9999 : 0)
+ if (key === 'combined') return boardBySymbol.value[row.symbol]?.combined ?? -9999
if (key === 'symbol') return row.symbol
if (key === 'dividend_yield') return row.dividend_yield ?? -1
if (key === 'eps_growth_yoy') return row.eps_growth_yoy ?? -1
@@ -418,7 +419,7 @@ onMounted(loadDashboard)
ภาพรวม alternative factors ไทย ไปจนถึงสัญญาณลงทุนที่อธิบายได้ — research + paper only
@@ -679,14 +680,17 @@ onMounted(loadDashboard)
-
ที่มาของคะแนนรวม (โปร่งใส)
-
-
- | คะแนนธีม (ธีม {{ symbolDetail.themes?.length || 0 }} ธีม) | {{ formatNumber(symbolDetail.theme_score) }} | × {{ symbolDetail.weights?.theme }} |
- | คะแนนพื้นฐาน (EPS + yield) | {{ formatNumber(symbolDetail.siamchart_score) }} | × {{ symbolDetail.weights?.siamchart }} |
- | คะแนนรวม = 60%×ธีม + 40%×พื้นฐาน | {{ formatNumber(symbolDetail.combined_score) }} | |
-
-
+
ขั้นตอนการคำนวณคะแนนรวม
+
+
{{ symbolDetail.combined_formula }}
+
+
{{ item.label }}{{ formatNumber(item.value) }} × {{ item.weight }}
+
{{ item.note }}
+
+
+ คะแนนพื้นฐานได้จาก z-score: z = (ค่า{{ symbolDetail.siamchart_z_note.raw_i }} − ค่าเฉลี่ย {{ symbolDetail.siamchart_z_note.population_mean }}) / ค่าเบี่ยงเบน {{ symbolDetail.siamchart_z_note.population_stdev }}
เทียบกับ {{ symbolDetail.siamchart_z_note.universe_size }} หุ้นใน SET50
+
+
ราคาล่าสุด: {{ symbolDetail.price?.latest != null ? formatNumber(symbolDetail.price.latest) : '—' }} ({{ symbolDetail.price?.date || '—' }})