Traditional Bollinger Band source code

On the basis of technical analysis and combination of Bollinger Band and skdj, adding these two skdj indicators, multi-cycle skdj can improve the transaction success rate: weekly SKDJ (daily cycle use) SK:=SKDJ. K # week (9, 3); SD:=SKDJ。 D # week (9, 3); K: horse (SK, 5); D: horse (SD, 5); SKDJ (daily recycling) SK:=SKDJ. K # month (9, 3); SD:=SKDJ。 D # month (9, 3); K: Ma (SK, 22); D: horse (SD, 22); Day skdj (for 60-minute line cycle) SK:=SKDJ. K # Day (9, 3); SD:=SKDJ。 D # Day (9, 3); K: Ma (SK, 4); D: horse (SD, 4); Week SKDJ (for 60-minute line cycle) SK:=SKDJ. K # week (9, 3); SD:=SKDJ。 D # week (9, 3);