Okay, let's break down the trading mechanism for Electronic Trading (ET, 电子交易) and how it relates to the T+1 system.
"1. What is T+1?"
"T (Day T):" Refers to the "Trading Day". "+1:" Refers to the "following business day". "T+1 Settlement:" This means that the "settlement" of trades (i.e., the actual exchange of cash for shares between buyers and sellers) occurs one business day after the trade execution day. "Example:" You place an order to buy 100 shares of Company A on "Monday (T)". The trade is executed on Monday. The actual settlement (you pay for the shares, and the seller receives the money) happens on "Tuesday (T+1)", assuming both days are trading days. "Important Note:" While settlement is T+1, "limit order execution" (especially for stocks) might be instantaneous (immediate execution) or subject to time limits depending on the specific stock exchange rules and order type. However, the risk is managed by the T+1 settlement cycle.
"2. What is Electronic Trading (ET)?"
"Electronic Trading" is a broad term referring to any trading that occurs electronically, using computer systems, rather than physically on an exchange floor (like the old open outcry system). Most modern stock

股票交易是T十1，ET下呢？是怎么交易的