'Zhangting' (涨停) is a technical term used exclusively in Chinese stock markets to denote the maximum allowable daily price increase for a listed security. It literally combines 'zhǎng' (to rise, increase) and 'tíng' (to stop, halt), reflecting the regulatory mechanism that stops further upward trading once a predefined percentage—typically 10% for most A-shares—is reached. This limit is set by exchanges like the Shanghai or Shenzhen Stock Exchange to prevent excessive speculation and maintain market stability.

The concept is central to day-to-day trading discussions among Chinese investors. When a stock hits its 'zhangting', it often signals strong bullish sentiment, limited sell-side liquidity, and sometimes speculative frenzy. Traders closely monitor whether a stock opens at 'zhangting' or reaches it during the session, as this can influence short-term strategies and market psychology. Unlike general price increases, 'zhangting' carries formal regulatory weight and specific order-matching rules—it’s not merely descriptive but institutional.