麦高视野：ETF观察日志（2025-10-21）

• The report tracks various types of daily frequency data for ETFs, divided into "broad-based" and "thematic" sub-tables[2] - The RSI (Relative Strength Index) is calculated using the formula: $ RSI = 100 - 100 / (1 + RS) $, where RSI is the ratio of average gains to average losses over a specific period (12 days)[2] - The net subscription amount is calculated using the formula: $ NETBUY(T) = NAV(T) - NAV(T-1) * (1 + R(T)) $, where NETBUY(T) is the net subscription amount, NAV(T-1) is the ETF's net asset value from the previous trading day[2] - The report includes data on whether ETFs support T+0 trading[2] - The report provides detailed information on various ETFs, including tracking index performance, ETF names, security codes, market capitalization, RSI, net subscriptions, trading volume, intraday trend, management fee rate, institutional holdings, and T+0 trading support[4] - The report includes data on institutional holdings as disclosed in the latest annual or semi-annual reports, excluding holdings by corresponding feeder funds[3] - The report notes that missing values represent newly listed funds with insufficient data or funds that have not yet disclosed annual or semi-annual reports[3]