> For the complete documentation index, see [llms.txt](https://docs.xxyy.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.xxyy.io/getting-started/k-xian-qu-yu.md).

# K 线区域

- [K 线时间区间选择](https://docs.xxyy.io/getting-started/k-xian-qu-yu/k-xian-shi-jian-qu-jian-xuan-ze.md)
- [价格市值切换](https://docs.xxyy.io/getting-started/k-xian-qu-yu/jia-ge-shi-zhi-qie-huan.md)
- [K 线交易标记](https://docs.xxyy.io/getting-started/k-xian-qu-yu/k-xian-jiao-yi-biao-ji.md)
- [平均买入成本线](https://docs.xxyy.io/getting-started/k-xian-qu-yu/ping-jun-mai-ru-cheng-ben-xian.md)