鏍囧噯绂诲樊
鏍囧噯绂诲樊 —鏄競鍦轰笂鐨勪竴绉嶆槗鍙樺緱浠峰€煎昂瀵搞€? 鏍囧噯绂诲樊鎸囨爣鏄绠€鍗曠Щ鍔ㄥ钩鍧囩嚎浠锋牸娑ㄨ惤鍙樺寲鐨勬弿杩般€? 鎵€浠ワ紝濡傛灉鎸囨爣鐨勪环鍊间负楂橈紝璇存槑甯傚満鏄槗鍙樼殑锛屼环鏍兼煴灏嗕細闅忕潃绠€鍗曠Щ鍔ㄥ钩鍧囩嚎鑰屾定钀姐€傚鏋滄寚鏍囩殑浠峰€间负浣庯紝甯傚満鐨勬诞鍔ㄥ垯浼氶檷浣庯紝 浠锋牸鏌变篃浼氶殢鐫€绠€鍗曠Щ鍔ㄥ钩鍧囩嚎娑ㄨ惤銆?/p>
姝ｅ父鎯呭喌涓嬶紝鏍囧噯绂诲樊鎸囨爣浣滀负鍏朵粬鎸囨爣鐨勭粍鎴愰儴鍒嗗簲鐢ㄣ€傜敱浜庯紝 褰撹绠?淇濆姏鍔犻€氶亾鎸囨爣鏃讹紝 闇€瑕佹坊鍔犳爣鍑嗙宸寚鏍囧埌瀹冪殑 绉诲姩骞冲潎绾?/a>銆?
璁＄畻鏂规硶
StdDev = SQRT (SUM (CLOSE – SMA (CLOSE, N), N)^2)/N
娉ㄨВ:
SQRT — 姝ｆ柟浣撴牴锛?br> SUM (…, N) — N涓懆鏈熷唴鐨勬€诲拰锛?
SMA (…, N) — 绠€鍗曠Щ鍔ㄥ钩鍧囩嚎 瀛樺湪N涓懆鏈燂紱
N —璁＄畻鍛ㄦ湡銆?/p>