Query TDCC securities basic information (證券基本資料).

Returns securities code, name, market type, share transfer agent, status, and par value. Use stock_code or stock_name to filter; returns all if no filter given (limited to 50).

Query TDCC shareholding distribution by tier (集保戶股權分散表).

Shows the number of shareholders and shares held at each tier level for a given stock. Essential for analyzing retail vs institutional ownership structure.

Query TDCC monthly custody change analysis for a stock (個別股票異動月分析表).

Shows month-end custody shares, changes from previous month, percentage change, issued shares, and number of shareholders. Useful for tracking custody trends.

Query TDCC weekly custody balance for a stock (保管有價證券週餘額表).

Shows weekly balance, change from previous week, and issuance ratio. Useful for short-term custody movement tracking.

Query TDCC director and supervisor segregated custody data (發行人董監分戶保管).

Shows custody shares under director/supervisor segregated accounts, mandatory custody total shares, and issued shares for a given stock.

Query TDCC offshore fund net asset values (境外基金淨值).

Returns latest NAV for offshore funds registered in Taiwan. Use fund_code or fund_name to filter; returns first 50 if no filter given.

Query TDCC shareholder e-voting information (股東e票通).

Shows upcoming shareholder meetings with e-voting, including meeting dates and voting periods. Use 'statistics' to get e-voting participation ratios.

Query any TDCC OpenData endpoint by ID (通用 TDCC 開放資料查詢).

Covers all 100+ TDCC endpoints. Use endpoint_id like '1-1' for securities info, '2-41' for ETF analysis, '3-2' for offshore fund data, '5-4' for futures fund NAV, etc.

Available endpoint categories:

• 1-x: Share administration (證券基本資料, 股權分散表, 債券, 私募...)

• 2-x: Statistics (月分析表, 週餘額表, TAIBIR利率, 票券統計...)

• 3-x: Offshore funds (基金基本資料, 淨值, 配息, 市場統計...)

• 4-x: Offshore structured products (商品總覽, 參考價格, 配息...)

• 5-x: Futures trust funds (基金總覽, 淨值, 銷售統計...)

• 6-x: Shareholder e-voting (電子投票資訊, 投票比率統計)