1, the gap refers to the shortage (funds, materials, etc. ); A void formed by the lack of a part on an object.

2. Synonym: missing a whole piece of missing pieces.

3, antonym: complete.

4.k-line gap refers to the phenomenon that the daily chart of stock price shows that the lowest transaction price of the day exceeds the highest price of the previous trading day or the highest transaction price is lower than the lowest price of the previous trading day due to the influence of good or bad news. Usually, if the gap is not covered quickly, it indicates that the market may continue, and if the gap is covered, it indicates that the market may reverse.