# RSI의 사용법과 한계점

![https://kr.tradingview.com/chart/XBTUSD/MFlIQ5M9/](/files/6cFsn5QxmmRWf13tlm0h)

안녕하세요 트레이더 여러분. 토미 트레이딩 팀입니다.

&#x20;오늘은 요즘 많은 트레이더들이 유용하게 사용하는 RSI와 해당 지표의 한계점에 대해서 알려드리겠습니다. 또한 본 한계점을 극복하기 위해 저희 개발팀이 최근에 개발한 [RSI](https://kr.tradingview.com/ideas/relativestrengthindex/) 클라우드 지표에 대해서 소개해드리겠습니다.

&#x20;[RSI](https://kr.tradingview.com/ideas/relativestrengthindex/) , [Relative Strength Index](https://kr.tradingview.com/ideas/relativestrengthindex/) (상대강도지수)는 1978년에 웰레스 월더라는, 저처럼 원래는 Engineer(공학자)였지만 기술적분석이라는 학문에 푹 빠져 이쪽 분야로 발을 돌린 한 학자에 의해 개발됐습니다. 해당 지수는 주가의 상승/하락 압력 간의 상대적인 강도를 보여주는 보조지표로 추세의 강도세를 백분율로 표기해줍니다.

&#x20;RSI를 산출하는 공식은 다음과 같습니다.

&#x20;[RSI](https://kr.tradingview.com/ideas/relativestrengthindex/) (%) = \*100\
&#x20;\* N = Time period/length, 시간(캔들봉) 단위

&#x20;본 공식에서 N은 RSI의 민감도를 조절하는 Parameter(설정값)로 보편적으로 Default(기본)값인 14, 조금 덜 민감한 값으로는 25가 사용됩니다. RSI의 단위는 %로 과매수 구간은 70\~80%, 과매도 구간은 20\~30%으로 사용됩니다. 즉 RSI가 70\~80% 이상일 때 강세 혹은 과매수, 20\~30%일 때 약세 혹은 과매도라고 판단할 수 있습니다.

&#x20;정말로 직관적이면서도 참으로 쉽고 유용한 지표이죠.

&#x20;하지만 아쉽게도 이 RSI도 크나큰 한계점이 존재합니다. 해당 지수가 산정될 때 사용하는 소스값은 Closed, 즉 캔들의 종가로, 고가와 저가가 지수에 반영되지 않습니다. 즉 캔들의 꼬리는 해당 지수에 고려되지 않는다는 점입니다. 요즘에 누가 캔들 종가만 보고, 혹은 라인차트로만 매매하나요? 이 미친 스캠무빙이 툭하면 나오는데 종가만 가지고 매매하면 골로가는 건 다들 아실 거라 생각합니다. 요즘처럼 고변동성의, 툭하면 길고 뾰족한 꼬리들이 난무하는 현대 금융 시장에 적용시키기엔 문제가 너무 많습니다.

&#x20;게다가 요즘에 너무나도 많은 개인투자자들이 [RSI](https://kr.tradingview.com/ideas/relativestrengthindex/) 지표를 사용합니다. 모두가 같은 자리, 같은 기법, 혹은 같은 지표를 쓰면 어떻게 된다고 했죠? 제가 매번 강조 드렸듯이 3\~5% 개미 생존률은 불변의 법칙입니다. 모두가 롱을 외치면 숏자리를 찾아야하고 모두가 숏을 외치면 롱자리를 찾는 소수의 개미들이 살아남는 이 고난이도 금융시장에 살아남기 위해서는 통찰력과 높은 안목을 지닌 투자자가 되어야한다고 제가 누누이 강조 드렸습니다.

&#x20;이 문제를 해결하고자 최근 저희 팀은 캔들의 모든 가격들을 RSI지표에 반영시키기 위해, 그리고 종가를 기준이 아닌 다른 기준으로 다이버전스를 모색하는 매우 다양한 시도들을 해왔습니다.

&#x20;수많은 연구, 실험 및 고찰 끝에 마침내 캔들의 모든 가격을 반영하는 [RSI](https://kr.tradingview.com/ideas/relativestrengthindex/) 지표를 만들고 말았습니다. 이름하여 [RSI](https://kr.tradingview.com/ideas/relativestrengthindex/) 클라우드! RSI를 하나의 라인이 아닌 범위로 표기를 함으로써 조금 더 보수적이고 정확하게 강도지수를 파악할 수 있게 되었습니다. 본 지표는 일목구름과 마찬가지로 RSI를 하나의 선이 아닌 구름대로 해석하시면 됩니다.

&#x20;다수의 라인(라인들의 범주를 구름으로 표기함)으로 구성된 이 지표는 고려하는 모든 선들이 과매수/과매도 구역에 진입해야 과열로 간주함으로써 더 보수적으로 확실한 과열 상황들을 포착할 수 있습니다. 그리고 해당 지표에 평행 채널 및 추세선들이 기가 막히게 잘 들어맞습니다. 주가에 추세선/채널 작도하는 것처럼 활용하시면 됩니다. 이탈 방향 나올 때, 그리고 심지어 이탈 이후 리테스트도 나옵니다.

&#x20;또한 다이버전스 역시 종가가 아닌 캔들의 평균값을 사용하여 시그널이 나오게끔 했습니다. 때문에 중간중간에 긴 꼬리들 혹은 말도 안되는 무빙이나 노이즈들로 발생되는 주가 <-> 지표 다이버전스의 괴리감을 최소화시켰습니다. 이 또한 자동으로 다이버전스를 잡도록 로직을 짰으니 상승/하락세의 과열이 점차 해소되기 시작할 때, 즉 변곡 잡으실 때 매우 유용하게 사용하실 수 있습니다.

&#x20;물론 당연한 말이지만 이 지표 하나만 가지고 매매를 하면 안되겠죠? 본인만의 여러 기법 및 지표들의 튼튼한 조합을 구성할 때 하나의 기준으로써 참고를 해야합니다.

&#x20;아래는 비트코인이 아닌 선물과 주식 차트입니다. 해당 차트들은 예전 차트도 아닌 최근 차트입니다. 이와 같이 종목/상품과 타임프레임을 불문하고 다 잘 맞습니다.

&#x20;나스닥

![](/files/-MgehjCvfdF-uUn_UuW_)

&#x20;삼성전자

![](/files/-Mgehm9yNWx_bOG6di_6)

그러면 이상, 급변하는 21세기 현대 금융시장에 최적화된 기법, 지표 및 전략들을 꾸준히 연구하고 개발하는 토미 트레이딩 팀이었습니다.

&#x20;감사합니다.


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