/* 布林极限宽 */

N:= 20;

P:= 2;

MID:= MA(CLOSE,N);

UPPER:= MID + P * STD(C, n);

LOWER:= MID - P * STD(C, n);

BBW: (UPPER - LOWER) / MID, colorblue;

BBW5:= MA(BBW, 5);

BBWP:= REF(BBW, 1);

BBWP2:= REF(BBW, 2);

BBCHA:= BBWP > BBW5 AND BBW <= BBWP AND HHV(BBW, 10) = BBWP;

BBWUP:= BBWP > BBW5 AND BBW > BBWP;

BBWDOWN:= BBWP < BBW5 AND BBW < BBWP;

变化: IF(BBCHA, IF(CLOSE < MID, 0.01, -0.01), 0), colorwhite;

VERLINE(BBCHA, 0);

BBSPE:= BBWP < BBW5 AND BBW >= BBWP AND LLV(BBW, 10) = BBWP;

加速: IF(BBSPE, IF(CLOSE < MID, -0.02, BBW), 0), coloryellow;

BBWRATE:= (BBW - BBWP) / BBWP;

BBWRATEP: = REF(BBWRATE, 1);

/* 均线 */

MA60:= MA(CLOSE, 60);

MA30= MA(CLOSE, 30);

MA20:= MA(CLOSE, 20);

MA5:= MA(CLOSE, 5);

MAIn:= MA20 >= REF(MA20, 1) AND BBWUP AND BBWRATE > 0.1;

买入: IF(MAIn, 0.01, 0), colorred;

DRAWTEXT(MAIn, BBW, '买');

MAOut:= CROSS(MA30, CLOSE) AND MA5 < REF(MA5, 1) AND MA20 < REF(MA20, 1);

卖出: IF(MAOut, -0.01, 0), colorgray;

DRAWTEXT(MAout, BBW, '卖');

EasyDown:= CLOSE * 0.97;

MAAdd:= BBWUp AND CLOSE < REF(CLOSE, 1) AND MA5 < REF(MA5, 1) AND CLOSE > MA60 AND ((CLOSE > MA20 AND EasyDown < MA20) OR (CLOSE > MA30 AND EasyDown < MA30));

补仓: IF(MAAdd, 0.01, 0), colorcyan;

DRAWTEXT(MAAdd, BBW, '补');

/* 成交量 */

VOLIn:= VOL / MA(VOL, 5) > 1.8 AND CLOSE < MA60 AND MA5 < MA20 AND MA20 < MA30 AND MA30 < MA60 AND MA5 <= REF(MA5, 1);

进场: IF(VOLIn, 0.01, 0), colorligray;

DRAWTEXT(VOLIn, BBW, '进');

VOLOut:= VOL / MA(VOL, 5) > 1.8 AND MA20 > MA30 AND MA30 > MA60 AND BBWDown;

出场: IF(VOLOut, -0.01, 0), colormagenta;

DRAWTEXT(VOLOut, BBW, '出');

MAVOLN:= MA(VOL, N);

VSTDC: STD(VOL, N) / MAVOLN;

/* 量价 */

VCD: VSTDC - BBW;