trader_cdldarkcloudcover Dark Cloud Cover &reftitle.description; arraytrader_cdldarkcloudcover arrayopen arrayhigh arraylow arrayclose floatpenetration &reftitle.parameters; open &trader.arg.array.of.real.open; high &trader.arg.array.of.real.high; low &trader.arg.array.of.real.low; close &trader.arg.array.of.real.close; penetration &trader.arg.penetration; &reftitle.returnvalues; Returns an array with calculated data or false on failure.