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Label Element Value
Prospectus [Line Items] rr_ProspectusLineItems  
Document Type dei_DocumentType 497
Document Period End Date dei_DocumentPeriodEndDate Jun. 30, 2019
Entity Registrant Name dei_EntityRegistrantName Absolute Shares Trust
Entity Central Index Key dei_EntityCentralIndexKey 0001591939
Amendment Flag dei_AmendmentFlag false
Document Creation Date dei_DocumentCreationDate Apr. 02, 2020
Document Effective Date dei_DocumentEffectiveDate Apr. 02, 2020
Prospectus Date rr_ProspectusDate Oct. 31, 2019
Entity Inv Company Type dei_EntityInvCompanyType N-1A
Supplement to Prospectus [Text Block] rr_SupplementToProspectusTextBlock


Supplement dated April 2, 2020 (the “Supplement”)
to the Summary Prospectus, Prospectus and
Statement of Additional Information (the “SAI”)
for each series of the Absolute Shares Trust (each, a “Fund”)


The Supplement applies to the Summary Prospectuses, Prospectuses and SAIs, dated October 31, 2019, for:

WBI BullBear Trend Switch US Total Return ETF (WBIN);
WBI BullBear Trend Switch US 1000 ETF (WBIK);
WBI BullBear Trend Switch US 2000 ETF (WBIM);
WBI BullBear Trend Switch US 1000 Total Return ETF (WBIQ);
WBI BullBear Trend Switch US 2000 Total Return ETF (WBIS);
WBI BullBear Trend Switch US 3000 Total Return ETF (WBIT);
WBI BullBear Global Income ETF (WBII); and
WBI Power FactorTM High Dividend ETF (WBIY);

and dated October 25, 2019, for:

WBI BullBear Rising Income 3000 ETF (WBIE);
WBI BullBear Value 3000 ETF (WBIF);
WBI BullBear Yield 3000 ETF (WBIG); and
WBI BullBear Quality 3000 ETF (WBIL).

Effective immediately, each Fund’s Summary Prospectus, Prospectus and SAI is amended as follows:

Change in each Fund’s “Market Risk” factor

The section of the Fund’s Summary Prospectus and Prospectus entitled “Summary of Principal Risks” is revised such that the following is appended to the end of the paragraph entitled “Market Risk”:
WBI BullBear Trend Switch US Total Return ETF  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk/Return [Heading] rr_RiskReturnHeading WBI BullBear Trend Switch US Total Return ETF
Risk [Heading] rr_RiskHeading Principal Risks
Risk Narrative [Text Block] rr_RiskNarrativeTextBlock
Local, regional or global events such as war, acts of terrorism, trade and tariff disputes, epidemics, pandemics or other public health issue, recessions, or other events could have a significant and protracted impact on the Fund and its investments and could result in increased premiums or discounts to the Fund’s net asset value.
WBI BullBear Trend Switch US Total Return ETF | WBI BullBear Trend Switch US Total Return ETF  
Prospectus [Line Items] rr_ProspectusLineItems  
Trading Symbol dei_TradingSymbol WBIN
WBI BullBear Trend Switch US 1000 ETF  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk/Return [Heading] rr_RiskReturnHeading WBI BullBear Trend Switch US 1000 ETF
Risk [Heading] rr_RiskHeading Principal Risks
Risk Narrative [Text Block] rr_RiskNarrativeTextBlock
Local, regional or global events such as war, acts of terrorism, trade and tariff disputes, epidemics, pandemics or other public health issue, recessions, or other events could have a significant and protracted impact on the Fund and its investments and could result in increased premiums or discounts to the Fund’s net asset value.
WBI BullBear Trend Switch US 1000 ETF | WBI BullBear Trend Switch US 1000 ETF  
Prospectus [Line Items] rr_ProspectusLineItems  
Trading Symbol dei_TradingSymbol WBIK
WBI BullBear Trend Switch US 2000 ETF  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk/Return [Heading] rr_RiskReturnHeading WBI BullBear Trend Switch US 2000 ETF
Risk [Heading] rr_RiskHeading Principal Risks
Risk Narrative [Text Block] rr_RiskNarrativeTextBlock
Local, regional or global events such as war, acts of terrorism, trade and tariff disputes, epidemics, pandemics or other public health issue, recessions, or other events could have a significant and protracted impact on the Fund and its investments and could result in increased premiums or discounts to the Fund’s net asset value.
WBI BullBear Trend Switch US 2000 ETF | WBI BullBear Trend Switch US 2000 ETF  
Prospectus [Line Items] rr_ProspectusLineItems  
Trading Symbol dei_TradingSymbol WBIM
WBI BullBear Trend Switch US 1000 Total Return ETF  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk/Return [Heading] rr_RiskReturnHeading WBI BullBear Trend Switch US 1000 Total Return ETF
Risk [Heading] rr_RiskHeading Principal Risks
Risk Narrative [Text Block] rr_RiskNarrativeTextBlock
Local, regional or global events such as war, acts of terrorism, trade and tariff disputes, epidemics, pandemics or other public health issue, recessions, or other events could have a significant and protracted impact on the Fund and its investments and could result in increased premiums or discounts to the Fund’s net asset value.
WBI BullBear Trend Switch US 1000 Total Return ETF | WBI BullBear Trend Switch US 1000 Total Return ETF  
Prospectus [Line Items] rr_ProspectusLineItems  
Trading Symbol dei_TradingSymbol WBIQ
WBI BullBear Trend Switch US 2000 Total Return ETF  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk/Return [Heading] rr_RiskReturnHeading WBI BullBear Trend Switch US 2000 Total Return ETF
Risk [Heading] rr_RiskHeading Principal Risks
Risk Narrative [Text Block] rr_RiskNarrativeTextBlock
Local, regional or global events such as war, acts of terrorism, trade and tariff disputes, epidemics, pandemics or other public health issue, recessions, or other events could have a significant and protracted impact on the Fund and its investments and could result in increased premiums or discounts to the Fund’s net asset value.
WBI BullBear Trend Switch US 2000 Total Return ETF | WBI BullBear Trend Switch US 2000 Total Return ETF  
Prospectus [Line Items] rr_ProspectusLineItems  
Trading Symbol dei_TradingSymbol WBIS
WBI BullBear Trend Switch US 3000 Total Return ETF  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk/Return [Heading] rr_RiskReturnHeading WBI BullBear Trend Switch US 3000 Total Return ETF
Risk [Heading] rr_RiskHeading Principal Risks
Risk Narrative [Text Block] rr_RiskNarrativeTextBlock
Local, regional or global events such as war, acts of terrorism, trade and tariff disputes, epidemics, pandemics or other public health issue, recessions, or other events could have a significant and protracted impact on the Fund and its investments and could result in increased premiums or discounts to the Fund’s net asset value.
WBI BullBear Trend Switch US 3000 Total Return ETF | WBI BullBear Trend Switch US 3000 Total Return ETF  
Prospectus [Line Items] rr_ProspectusLineItems  
Trading Symbol dei_TradingSymbol WBIT
WBI BullBear Global Income ETF  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk/Return [Heading] rr_RiskReturnHeading WBI BullBear Global Income ETF
Risk [Heading] rr_RiskHeading Principal Risks
Risk Narrative [Text Block] rr_RiskNarrativeTextBlock
Local, regional or global events such as war, acts of terrorism, trade and tariff disputes, epidemics, pandemics or other public health issue, recessions, or other events could have a significant and protracted impact on the Fund and its investments and could result in increased premiums or discounts to the Fund’s net asset value.
WBI BullBear Global Income ETF | WBI BullBear Global Income ETF  
Prospectus [Line Items] rr_ProspectusLineItems  
Trading Symbol dei_TradingSymbol WBII
WBI Power Factor High Dividend ETF  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk/Return [Heading] rr_RiskReturnHeading WBI Power FactorTM High Dividend ETF
Risk [Heading] rr_RiskHeading Principal Risks
Risk Narrative [Text Block] rr_RiskNarrativeTextBlock
Local, regional or global events such as war, acts of terrorism, trade and tariff disputes, epidemics, pandemics or other public health issue, recessions, or other events could have a significant and protracted impact on the Fund and its investments and could result in increased premiums or discounts to the Fund’s net asset value.
WBI Power Factor High Dividend ETF | WBI Power Factor High Dividend ETF  
Prospectus [Line Items] rr_ProspectusLineItems  
Trading Symbol dei_TradingSymbol WBIY
WBI BullBear Rising Income 3000 ETF  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk/Return [Heading] rr_RiskReturnHeading WBI BullBear Rising Income 3000 ETF
Risk [Heading] rr_RiskHeading Principal Risks
Risk Narrative [Text Block] rr_RiskNarrativeTextBlock
Local, regional or global events such as war, acts of terrorism, trade and tariff disputes, epidemics, pandemics or other public health issue, recessions, or other events could have a significant and protracted impact on the Fund and its investments and could result in increased premiums or discounts to the Fund’s net asset value.
WBI BullBear Rising Income 3000 ETF | WBI BullBear Rising Income 3000 ETF  
Prospectus [Line Items] rr_ProspectusLineItems  
Trading Symbol dei_TradingSymbol WBIE
WBI BullBear Value 3000 ETF  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk/Return [Heading] rr_RiskReturnHeading WBI BullBear Value 3000 ETF
Risk [Heading] rr_RiskHeading Principal Risks
Risk Narrative [Text Block] rr_RiskNarrativeTextBlock
Local, regional or global events such as war, acts of terrorism, trade and tariff disputes, epidemics, pandemics or other public health issue, recessions, or other events could have a significant and protracted impact on the Fund and its investments and could result in increased premiums or discounts to the Fund’s net asset value.
WBI BullBear Value 3000 ETF | WBI BullBear Value 3000 ETF  
Prospectus [Line Items] rr_ProspectusLineItems  
Trading Symbol dei_TradingSymbol WBIF
WBI BullBear Yield 3000 ETF  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk/Return [Heading] rr_RiskReturnHeading WBI BullBear Yield 3000 ETF
Risk [Heading] rr_RiskHeading Principal Risks
Risk Narrative [Text Block] rr_RiskNarrativeTextBlock
Local, regional or global events such as war, acts of terrorism, trade and tariff disputes, epidemics, pandemics or other public health issue, recessions, or other events could have a significant and protracted impact on the Fund and its investments and could result in increased premiums or discounts to the Fund’s net asset value.
WBI BullBear Yield 3000 ETF | WBI BullBear Yield 3000 ETF  
Prospectus [Line Items] rr_ProspectusLineItems  
Trading Symbol dei_TradingSymbol WBIG
WBI BullBear Quality 3000 ETF  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk/Return [Heading] rr_RiskReturnHeading WBI BullBear Quality 3000 ETF
Risk [Heading] rr_RiskHeading Principal Risks
Risk Narrative [Text Block] rr_RiskNarrativeTextBlock
Local, regional or global events such as war, acts of terrorism, trade and tariff disputes, epidemics, pandemics or other public health issue, recessions, or other events could have a significant and protracted impact on the Fund and its investments and could result in increased premiums or discounts to the Fund’s net asset value.
WBI BullBear Quality 3000 ETF | WBI BullBear Quality 3000 ETF  
Prospectus [Line Items] rr_ProspectusLineItems  
Trading Symbol dei_TradingSymbol WBIL