...ngược xu hướng tiềm năng.
## Tài nguyên bổ sung
* [Investopedia: kênh độ lệch chuẩn] (https://www.investopedia.com/terms/s/standarddeviationchannel.asp)
* [Sự cân bằng: Cách sử dụng kênh độ lệch chuẩn] (https://www.thebalance.com/how-to-use-the-standard-deviation-channel-2463530)
*...
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