(CLOSE,N=20, P=2)
| 109 | return RD(BIAS1), RD(BIAS2), RD(BIAS3) |
| 110 | |
| 111 | def BOLL(CLOSE,N=20, P=2): #BOLL指标，布林带 |
| 112 | MID = MA(CLOSE, N); |
| 113 | UPPER = MID + STD(CLOSE, N) * P |
| 114 | LOWER = MID - STD(CLOSE, N) * P |
| 115 | return RD(UPPER), RD(MID), RD(LOWER) |
| 116 | |
| 117 | def PSY(CLOSE,N=12, M=6): |
| 118 | PSY=COUNT(CLOSE>REF(CLOSE,1),N)/N*100 |