trader_set_unstable_period Set unstable period &reftitle.description; voidtrader_set_unstable_period intfunctionId inttimePeriod Influences unstable period factor for functions, which are sensible to it. More information about unstable periods can be found on the TA-Lib API documentation page. &reftitle.parameters; functionId Function ID the factor should be set for. TRADER_FUNC_UNST_* constant series can be used to affect the corresponding function. timePeriod Unstable period value. &reftitle.returnvalues; &return.void;