What is single-price auction (dongsi-hoga)?Single-Price Auction
Korea's call auction: for a period orders are collected without trading, then matched all at once at a single price. There's one before the open and one before the close, and it's also used after a VI is triggered.
Learn “single-price auction (dongsi-hoga)” in an animated lesson
- Korea Stock RulesSingle-Price Auctions and the Regular Session
The Korean market takes orders from 8:30, opens at 9:00 and closes at 15:30; both the open and the close are priced by single-price auctions, and there are two after-hours periods after the close.
- Korea Stock RulesVI: Pausing When the Price Jumps Too Hard
When a stock's price moves far from its reference price in a short time, the Korea Exchange pauses continuous trading for about 2 minutes and switches to a single-price auction so the market can cool down.
Related terms
See how “single-price auction (dongsi-hoga)” works for yourself with an animation you can drag and play.
Go to “Single-Price Auctions and the Regular Session”