DALE~!BOLLINGER BANDS !coded by Rich Denning on 8/12/01 with help from tv !Set parameters: Define L 20. !Default is 20 Define Factor1 2. !Default is 2 Define Factor2 2. !Default is 2 !Standard Deviation of the close is the square roor of variance of the close is: Variance is Variance([close],L). StdDev is Sqrt(Variance). !Middle Band SMA is simpleavg([close],L). !Upper Bollinger Band UpperBB is SMA + Factor1 * StdDev. !!Plot as single line indicator on chart !Lower Bollinger Band LowerBB is SMA - Factor2 * StdDev. !!Plot as single line indicator on chart Test if 1. Rule Library CCodeViewTest CReportView SymbolPLowerBBX Lower BBXSMAXST MAXUpperBBX Upper BBXCloseXXXSDXWA:A:A*A*A B BRAAAYBYBBBY%BY%B= BAAE0B0B3{B3{B6p*B6p*B`BAAI[GAXGA A AAAQAAAPLz݂Ay݂A$[A&[AعAعA(AAASZBZBdBdBmBmBeBAAUKlBAlBA VA VA7iA7iARAABCP%j?%j?s?s?l}?k}?ףp?ABCR;>I>n(?z(???\>ABFu8Av8AHAߥHAO,YAP,YAq=VAABFS A"AsAvAAAAABGX&A0A&A&A&A.AAABILAKA]ASAn Am A AABIZƹz@̹z@X@X@9S@K>>>t>l>p>ACSBB/B,B|B|BffBACTI@@FA?A.6 A06 AAACTLAAAAAApAnAAACTM@@ A A{4A{4A!AACTN DADA>A>Ao&Ap&A= AACTRaߕ@dߕ@U9@U9@I AI A @ACTTi@i@f@f@@@@ACTU9@5@bAbA|.A|.AAACVQX&BQX&B-B-B3B3Bp)BACXMcAdAc;3Ac;3AcHAdHA CAAD; B; B>_B=_B"B"BBADBE BBRB[B3B3B33BADCT@@Χ@Χ@@@@ADEXLXALXA3jA3jAd}Ad}A`AADIeBeBh5Bh5BlPBlPB=BADICAA2HA2HAPvAPvAEAADLAC5B5B=B=B#B#B BADLR^A^A3A3AAAAADLT 4@ 4@a@a@~Q@Q@@@ADMILAILAUAUAN_AI_ATAADP9Bz9B}~JB}~JBz[Bt[BABADPTj,Aj,A9A9AEAEAz8AADRXCfBEfBΗBΗBBB3BADSVAVAfpAfpAAAoAADSKBBָBָBBBQBADSXnp|>Wp|>|>}>>>q=>ADTK/@/@AAor)Apr)A33@ADTNAA̻A̻A~AAAADVN-A/A/AX9yAU9yApApALAADVNBnAmA_A_A|A{Az8AADVPUbBUbBPMtBSMtBZ"BZ"BBADVSVyVBUyVBEiBEiB|B|BZBAEEy\Bx\BEKBEKB:$B:$B BAEGXAVAFACA4A2A AAEGNa@a@L@L@ɫ@ɫ@@AEIS&DA.DAAAB BffAAEM@@AA` Aa AAAEN$4$A%4$AEAEAgAgA0AAEOSAAQBQB,B,B33AAEP3'B0'BG4BG4B[ABXAB4BAES1B1BDKBDKBjeBjeBGBAET@6AH6A-^A0^AA"A(AAETH;A;A-\A-\A|8A|8A)\#AAFCyEByEBSBSBӚaBӚaB)\GBAFCEjxAjxA3CA3CA A AAAFCIōAōAziAziA A AA