XML 11 R5.htm IDEA: XBRL DOCUMENT v3.10.0.1
Label Element Value
Risk/Return: rr_RiskReturnAbstract  
Entity Central Index Key dei_EntityCentralIndexKey 0001005020
Virtus KAR International Small-Cap Fund  
Risk/Return: rr_RiskReturnAbstract  
Risk/Return [Heading] rr_RiskReturnHeading Virtus KAR International Small-Cap Fund
Supplement [Text Block] vot_SupplementTextBlock

Virtus KAR International Small-Cap Fund,

each a series of Virtus Opportunities Trust

 

Supplement dated November 30, 2018 to the Summary Prospectuses

and Statutory Prospectus, each dated January 29, 2018, as supplemented

 

IMPORTANT NOTICE TO INVESTORS

 

Shareholders of Virtus KAR Emerging Markets Small-Cap Fund and Virtus KAR International Small-Cap Fund (the “Funds”) approved a change to each Fund's fundamental policy and classification from a diversified fund to a non-diversified fund. The changes to each Fund's fundamental policy are effective November 30, 2018. The resulting disclosure changes are described below.
Strategy [Heading] rr_StrategyHeading Principal Investment Strategies
Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock

Under “Principal Investment Strategies” in the Funds' summary prospectuses and summary section of the statutory prospectus, the following sentence is hereby added at the end the second paragraph for each Fund: "The fund is non-diversified under federal securities laws."
Risk [Heading] rr_RiskHeading Principal Risks
Risk Narrative [Text Block] rr_RiskNarrativeTextBlock

Under “Principal Risks” in the Funds' summary prospectuses and each Fund's summary section of the statutory prospectus, the following disclosure is hereby added:


> Non-Diversification Risk. The risk that the fund will be more susceptible to factors negatively impacting the securities in its portfolio to the extent that the fund invests more of its assets in the securities of fewer issuers than would a diversified fund.
Risk Nondiversified Status [Text] rr_RiskNondiversifiedStatus > Non-Diversification Risk. The risk that the fund will be more susceptible to factors negatively impacting the securities in its portfolio to the extent that the fund invests more of its assets in the securities of fewer issuers than would a diversified fund.