Trong phan tich ky thuat, RSI luon nam trong nhom chi bao duoc trader su dung nhieu nhat khi can do suc manh xu huong va tim diem dao chieu tiem nang. Bai viet thuoc chuyen muc phan tich cua Mbroker.net se giup ban hieu day du ve cach hoat dong cua RSI, cach doc tin hieu qua mua – qua ban va nhung meo thuc chien de van dung hieu qua trong giao dich. Day la noi dung cuc ky quan trong cho ca trader moi lan trader giau kinh nghiem dang tim kiem phuong phap toi uu hoa diem vao lenh.

RSI la gi? Tong quan va nguon goc hinh thanh

RSI (Relative Strength Index) la mot chi bao dao dong dong luong duoc phat trien boi J. Welles Wilder. Muc tieu cua RSI la do luong toc do va muc do thay doi cua gia trong mot giai doan nhat dinh. Chi so nay dao dong tu 0 den 100, giup trader xac dinh khi nao thi truong dang vao vung qua mua hoac qua ban. Nho tinh don gian nhung hieu qua, RSI duoc ung dung rong rai tu Forex, Crypto cho den chung khoan.

Khi su dung chi bao RSI, trader co the nhanh chong danh gia suc manh cua phe mua va phe ban, tu do du doan kha nang dao chieu hoac tiep dien cua xu huong. Day la co so chinh khien RSI tro thanh cong cu khong the thieu trong he thong giao dich hien dai.

Cong thuc va cach tinh RSI

RSI thuong duoc tinh dua tren 14 ky (14 phien hoac 14 nen). Cong thuc cua RSI xoay quanh hai gia tri chinh:

- Average Gain: Muc tang trung binh cua gia.

- Average Loss: Muc giam trung binh cua gia.

Sau khi tinh hai gia tri nay, ta ap dung cong thuc:

RSI = 100 – [100 / (1 + RS)], trong do RS = Average Gain / Average Loss.

Ket qua thu duoc la mot gia tri tu 0 den 100. Khi RSI cang cao, gia cang co xu huong bi mua manh. Nguoc lai, RSI cang thap the hien luc ban dang ap dao.

Cach hoat dong cua RSI trong thuc te

RSI do luong dong luong cua thi truong. Khi gia tang manh va lien tuc, RSI phan anh luc mua manh bang cach tien len vung cao. Nguoc lai, khi gia giam sau lien tuc, RSI roi ve vung thap. Dieu nay cho phep trader nhan dien trang thai thi truong truc quan ma khong can phan tich qua phuc tap.

Dac biet, RSI phan anh su thay doi toc do gia, nen no co kha nang canh bao som khi xu huong co dau hieu suy yeu, giup trader chu dong hon trong chien luoc.

Qua mua va qua ban la gi?

Vung qua mua (Overbought)

Thong thuong, thi truong duoc xem la qua mua khi RSI > 70. Khi do, gia da tang qua manh va co kha nang dieu chinh hoac dao chieu. Tuy nhien, trong xu huong tang manh, RSI co the “li” o vung 70–80 kha lau.

Vung qua ban (Oversold)

Nguoc lai, RSI < 30 cho thay thi truong dang trong trang thai qua ban. Luc ban chiem uu the va gia co the som hoi phuc neu tin hieu suy yeu xuat hien. Day la vung duoc nhieu trader xem xet cho cac lenh mua bat day.

Tim hieu them: https://www.sythe.org/members/darius-elvon.1972074/

Cach dung RSI de nhan dien qua mua & qua ban hieu qua

RSI 14 ky &ndash; thiet lap pho bien nhat

Da phan trader dung RSI mac dinh la 14 ky. Tin hieu qua mua/qua ban o khung nay kha can bang, phu hop cho da so phong cach giao dich.

Dieu chinh RSI theo khung thoi gian

- RSI 7: Nhay, phu hop scalping nhung de nhieu.

- RSI 21: Muot hon, it tin hieu sai.

- Khung nho (M5 &ndash; M15) de nhieu, can xac nhan them.

- Khung lon (H4 &ndash; D1) dang tin cay hon.

Ket hop RSI voi ho tro &ndash; khang cu

Khi RSI vao vung 70 hoac 30 trung voi muc ho tro/khang cu manh, kha nang dao chieu tang dang ke. Day la phuong phap giup giam tin hieu nhieu rat hieu qua.

Ket hop RSI voi mo hinh nen

Mot so mo hinh nen dao chieu nhu Pin Bar, Morning Star hoac Engulfing la cong cu xac nhan tuyet voi khi RSI da vao vung qua mua/qua ban.

Han che va tin hieu nhieu cua RSI

- RSI co the bao qua mua nhung gia tiep tuc tang manh.

- Trong xu huong manh, RSI nam vung cuc tri rat lau.

- Dung RSI mot minh de dan den vao lenh som.

Trader moi thuong nham lan tin hieu RSI voi tin hieu dao chieu chac chan.

Meo su dung RSI de giao dich hieu qua

- Luon xac dinh xu huong truoc khi xem RSI.

- Khong vao lenh chi vi RSI cham 70 hoac 30.

- Ket hop RSI phan ky de tang xac suat thang.

- Uu tien khung thoi gian lon de giam nhieu.

- Tu backtest chien luoc RSI truoc khi ap dung thuc te.

Ngoai ra, ban co the tham khao noi dung trong Kien thuc XM de nam ky hon ve cac cong cu phan tich ky thuat, mo hinh gia va chien luoc giao dich nang cao.

Ket luan

RSI la cong cu manh me giup trader xac dinh dong luong thi truong, nhan dien vung qua mua/qua ban va du doan kha nang dao chieu. Tuy nhien, de giao dich hieu qua, ban can ket hop RSI voi nhieu cong cu khac nhu mo hinh nen, vung ho tro &ndash; khang cu hoac phan tich xu huong. Khi hieu dung ban chat va cach van dung RSI, ban se toi uu duoc diem vao/thoat lenh va nang cao hieu suat giao dich cua minh.