指標公式分析及使用參考說明:

這段代碼為股票技術分析中的均線指標。具體地，其中MA20表示計算20日均線，而CLOSE則表示收盤價序列。

運算思路為用收盤價序列計算出20個數的平均值，這樣就得到了20日均線。我們建議可以在K線圖上繪制出20日均線，一般情況下當價格在20日均線上方時為看漲趨勢，價格在20日均線下方時為看跌趨勢。因此，投資者可以結合該指標來判斷股票的漲跌趨勢、買入賣出時機和風險控制。

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源碼：

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HB:=COST(99.9);

LB:=COST(0.1);

B3:=(HB-LB)/50;

B31:=HB-B3;

B32:=HB-2*B3;

B33:=HB-3*B3;

B34:=HB-4*B3;

B35:=HB-5*B3;

B36:=HB-6*B3;

B37:=HB-7*B3;

B38:=HB-8*B3;

B39:=HB-9*B3;

B310:=HB-10*B3;

B311:=HB-11*B3;

B312:=HB-12*B3;

B313:=HB-13*B3;

B314:=HB-14*B3;

B315:=HB-15*B3;

B316:=HB-16*B3;

B317:=HB-17*B3;

B318:=HB-18*B3;

B319:=HB-19*B3;

B320:=HB-20*B3;

B321:=HB-21*B3;

B322:=HB-22*B3;

B323:=HB-23*B3;

B324:=HB-24*B3;

B325:=HB-25*B3;

B326:=HB-26*B3;

B327:=HB-27*B3;

B328:=HB-28*B3;

B329:=HB-29*B3;

B330:=HB-30*B3;

B331:=HB-31*B3;

B332:=HB-32*B3;

B333:=HB-33*B3;

B334:=HB-34*B3;

B335:=HB-35*B3;

B336:=HB-36*B3;

B337:=HB-37*B3;

B338:=HB-38*B3;

B339:=HB-39*B3;

B340:=HB-40*B3;

B341:=HB-41*B3;

B342:=HB-42*B3;

B343:=HB-43*B3;

B344:=HB-44*B3;

B345:=HB-45*B3;

B346:=HB-46*B3;

B347:=HB-47*B3;

B348:=HB-48*B3;

B349:=HB-49*B3;

A1:=WINNER(HB)*100-WINNER(B31)*100;

A2:=WINNER(B31)*100-WINNER(B32)*100;

A3:=WINNER(B32)*100-WINNER(B33)*100;

A4:=WINNER(B33)*100-WINNER(B34)*100;

A5:=WINNER(B34)*100-WINNER(B35)*100;

A6:=WINNER(B35)*100-WINNER(B36)*100;

A7:=WINNER(B36)*100-WINNER(B37)*100;

A8:=WINNER(B37)*100-WINNER(B38)*100;

A9:=WINNER(B38)*100-WINNER(B39)*100;

A10:=WINNER(B39)*100-WINNER(B310)*100;

A11:=WINNER(B310)*100-WINNER(B311)*100;

A12:=WINNER(B311)*100-WINNER(B312)*100;

A13:=WINNER(B312)*100-WINNER(B313)*100;

A14:=WINNER(B313)*100-WINNER(B314)*100;

A15:=WINNER(B314)*100-WINNER(B315)*100;

A16:=WINNER(B315)*100-WINNER(B316)*100;

A17:=WINNER(B316)*100-WINNER(B317)*100;

A18:=WINNER(B317)*100-WINNER(B318)*100;

A19:=WINNER(B318)*100-WINNER(B319)*100;

A20:=WINNER(B319)*100-WINNER(B320)*100;

A21:=WINNER(B320)*100-WINNER(B321)*100;

A22:=WINNER(B321)*100-WINNER(B322)*100;

A23:=WINNER(B322)*100-WINNER(B323)*100;

A24:=WINNER(B323)*100-WINNER(B324)*100;

A25:=WINNER(B324)*100-WINNER(B325)*100;

A26:=WINNER(B325)*100-WINNER(B326)*100;

A27:=WINNER(B326)*100-WINNER(B327)*100;

A28:=WINNER(B327)*100-WINNER(B328)*100;

A29:=WINNER(B328)*100-WINNER(B329)*100;

A30:=WINNER(B329)*100-WINNER(B330)*100;

A31:=WINNER(B330)*100-WINNER(B331)*100;

A32:=WINNER(B331)*100-WINNER(B332)*100;

A33:=WINNER(B332)*100-WINNER(B333)*100;

A34:=WINNER(B333)*100-WINNER(B334)*100;

A35:=WINNER(B334)*100-WINNER(B335)*100;

A36:=WINNER(B335)*100-WINNER(B336)*100;

A37:=WINNER(B336)*100-WINNER(B337)*100;

A38:=WINNER(B337)*100-WINNER(B338)*100;

A39:=WINNER(B338)*100-WINNER(B339)*100;

A40:=WINNER(B339)*100-WINNER(B340)*100;

A41:=WINNER(B340)*100-WINNER(B341)*100;

A42:=WINNER(B341)*100-WINNER(B342)*100;

A43:=WINNER(B342)*100-WINNER(B343)*100;

A44:=WINNER(B343)*100-WINNER(B344)*100;

A45:=WINNER(B344)*100-WINNER(B345)*100;

A46:=WINNER(B345)*100-WINNER(B346)*100;

A47:=WINNER(B346)*100-WINNER(B347)*100;

A48:=WINNER(B347)*100-WINNER(B348)*100;

A49:=WINNER(B348)*100-WINNER(B349)*100;

A50:=WINNER(B349)*100-WINNER(LB)*100;

STICKLINE(ISLASTBAR,HB ,HB ,A1*100 ,0 ),COLORGRAY;

STICKLINE(ISLASTBAR,B31 ,B31 ,A1*100 ,0 ),COLORGRAY;

STICKLINE(ISLASTBAR,B32 ,B32 ,A2*100 ,0 ),COLORGRAY;

STICKLINE(ISLASTBAR,B33 ,B33 ,A3*100 ,0 ),COLORGRAY;

STICKLINE(ISLASTBAR,B34 ,B34 ,A4*100 ,0 ),COLORGRAY;

STICKLINE(ISLASTBAR,B35 ,B35 ,A5*100 ,0 ),COLORGRAY;

STICKLINE(ISLASTBAR,B36 ,B36 ,A6*100 ,0 ),COLORGRAY;

STICKLINE(ISLASTBAR,B37 ,B37 ,A7*100 ,0 ),COLORGRAY;

STICKLINE(ISLASTBAR,B38 ,B38 ,A8*100 ,0 ),COLORGRAY;

STICKLINE(ISLASTBAR,B39 ,B39 ,A9*100 ,0 ),COLORGRAY;

STICKLINE(ISLASTBAR,B310 ,B310 ,A10*100 ,0 ),COLORGRAY;

STICKLINE(ISLASTBAR,B311 ,B311 ,A11*100 ,0 ),COLORGRAY;

STICKLINE(ISLASTBAR,B312 ,B312 ,A12*100 ,0 ),COLORGRAY;

STICKLINE(ISLASTBAR,B313 ,B313 ,A13*100 ,0 ),COLORGRAY;

STICKLINE(ISLASTBAR,B314 ,B314 ,A14*100 ,0 ),COLORGRAY;

STICKLINE(ISLASTBAR,B315 ,B315 ,A15*100 ,0 ),COLORGRAY;

STICKLINE(ISLASTBAR,B316 ,B316 ,A16*100 ,0 ),COLORGRAY;

STICKLINE(ISLASTBAR,B317 ,B317 ,A17*100 ,0 ),COLORGRAY;

STICKLINE(ISLASTBAR,B318 ,B318 ,A18*100 ,0 ),COLORGRAY;

STICKLINE(ISLASTBAR,B319 ,B319 ,A19*100 ,0 ),COLORGRAY;

STICKLINE(ISLASTBAR,B320 ,B320 ,A20*100 ,0 ),COLORGRAY;

STICKLINE(ISLASTBAR,B321 ,B321 ,A21*100 ,0 ),COLORGRAY;

STICKLINE(ISLASTBAR,B322 ,B322 ,A22*100 ,0 ),COLORGRAY;

STICKLINE(ISLASTBAR,B323 ,B323 ,A23*100 ,0 ),COLORGRAY;

STICKLINE(ISLASTBAR,B324 ,B324 ,A24*100 ,0 ),COLORGRAY;

STICKLINE(ISLASTBAR,B325 ,B325 ,A25*100 ,0 ),COLORGRAY;

STICKLINE(ISLASTBAR,B326 ,B326 ,A26*100 ,0 ),COLORGRAY;

STICKLINE(ISLASTBAR,B327 ,B327 ,A27*100 ,0 ),COLORGRAY;

STICKLINE(ISLASTBAR,B328 ,B328 ,A28*100 ,0 ),COLORGRAY;

STICKLINE(ISLASTBAR,B329 ,B329 ,A29*100 ,0 ),COLORGRAY;

STICKLINE(ISLASTBAR,B330 ,B330 ,A30*100 ,0 ),COLORGRAY;

STICKLINE(ISLASTBAR,B331 ,B331 ,A31*100 ,0 ),COLORGRAY;

STICKLINE(ISLASTBAR,B332 ,B332 ,A32*100 ,0 ),COLORGRAY;

STICKLINE(ISLASTBAR,B333 ,B333 ,A33*100 ,0 ),COLORGRAY;

STICKLINE(ISLASTBAR,B334 ,B334 ,A34*100 ,0 ),COLORGRAY;

STICKLINE(ISLASTBAR,B335 ,B335 ,A35*100 ,0 ),COLORGRAY;

STICKLINE(ISLASTBAR,B336 ,B336 ,A36*100 ,0 ),COLORGRAY;

STICKLINE(ISLASTBAR,B337 ,B337 ,A37*100 ,0 ),COLORGRAY;

STICKLINE(ISLASTBAR,B338 ,B338 ,A38*100 ,0 ),COLORGRAY;

STICKLINE(ISLASTBAR,B339 ,B339 ,A39*100 ,0 ),COLORGRAY;

STICKLINE(ISLASTBAR,B340 ,B340 ,A40*100 ,0 ),COLORGRAY;

STICKLINE(ISLASTBAR,B341 ,B341 ,A41*100 ,0 ),COLORGRAY;

STICKLINE(ISLASTBAR,B342 ,B342 ,A42*100 ,0 ),COLORGRAY;

STICKLINE(ISLASTBAR,B343 ,B343 ,A43*100 ,0 ),COLORGRAY;

STICKLINE(ISLASTBAR,B344 ,B344 ,A44*100 ,0 ),COLORGRAY;

STICKLINE(ISLASTBAR,B345 ,B345 ,A45*100 ,0 ),COLORGRAY;

STICKLINE(ISLASTBAR,B346 ,B346 ,A46*100 ,0 ),COLORGRAY;

STICKLINE(ISLASTBAR,B347 ,B347 ,A47*100 ,0 ),COLORGRAY;

STICKLINE(ISLASTBAR,B348 ,B348 ,A48*100 ,0 ),COLORGRAY;

STICKLINE(ISLASTBAR,LB ,LB ,A50*100 ,0 ),COLORGRAY;

MA20:MA(CLOSE,M20),COLORRED;

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