diff --git a/backend/database.py b/backend/database.py
index fa58cf2..3453b62 100644
--- a/backend/database.py
+++ b/backend/database.py
@@ -37,6 +37,40 @@ CREATE TABLE IF NOT EXISTS cache (
   value TEXT NOT NULL,
   expires_at TEXT NOT NULL
 );
+
+CREATE TABLE IF NOT EXISTS daily_core_stocks (
+  id INTEGER PRIMARY KEY AUTOINCREMENT,
+  trade_date TEXT NOT NULL,
+  stock_code TEXT NOT NULL,
+  stock_name TEXT NOT NULL,
+  f3 REAL,
+  cover_count INTEGER,
+  rank INTEGER,
+  created_at TEXT NOT NULL DEFAULT (datetime('now','localtime')),
+  UNIQUE(trade_date, stock_code)
+);
+
+CREATE TABLE IF NOT EXISTS daily_core_stock_themes (
+  id INTEGER PRIMARY KEY AUTOINCREMENT,
+  trade_date TEXT NOT NULL,
+  stock_code TEXT NOT NULL,
+  theme_code TEXT NOT NULL,
+  theme_name TEXT NOT NULL,
+  created_at TEXT NOT NULL DEFAULT (datetime('now','localtime')),
+  UNIQUE(trade_date, stock_code, theme_code)
+);
+
+CREATE TABLE IF NOT EXISTS daily_top_themes (
+  id INTEGER PRIMARY KEY AUTOINCREMENT,
+  trade_date TEXT NOT NULL,
+  theme_code TEXT NOT NULL,
+  theme_name TEXT NOT NULL,
+  bf3 REAL,
+  hot_rank INTEGER,
+  rank INTEGER,
+  created_at TEXT NOT NULL DEFAULT (datetime('now','localtime')),
+  UNIQUE(trade_date, theme_code)
+);
 """