Document and Entity Information	Total
Prospectus:
Document Type	497
Document Period End Date	Sep. 30, 2020
Registrant Name	VIRTUS OPPORTUNITIES TRUST
Entity Central Index Key	0001005020
Entity Inv Company Type	N-1A
Amendment Flag	false
Document Creation Date	Nov. 30, 2021
Document Effective Date	Nov. 30, 2021
Prospectus Date	Feb. 01, 2021
Virtus KAR Emerging Markets Small-Cap Fund \| Class A
Prospectus:
Trading Symbol	VAESX
Virtus KAR Emerging Markets Small-Cap Fund \| Class C
Prospectus:
Trading Symbol	VCESX
Virtus KAR Emerging Markets Small-Cap Fund \| Class I
Prospectus:
Trading Symbol	VIESX
Virtus KAR Emerging Markets Small-Cap Fund \| Class R6
Prospectus:
Trading Symbol	VRESX
Virtus Newfleet Multi-Sector Short Term Bond Fund \| Class A
Prospectus:
Trading Symbol	NARAX
Virtus Newfleet Multi-Sector Short Term Bond Fund \| Class C
Prospectus:
Trading Symbol	PSTCX
Virtus Newfleet Multi-Sector Short Term Bond Fund \| Class C1
Prospectus:
Trading Symbol	PMSTX
Virtus Newfleet Multi-Sector Short Term Bond Fund \| Class I
Prospectus:
Trading Symbol	PIMSX
Virtus Newfleet Multi-Sector Short Term Bond Fund \| Class R6
Prospectus:
Trading Symbol	VMSSX
Virtus Newfleet Tax-Exempt Bond Fund \| Class I
Prospectus:
Trading Symbol	HXBIX
Virtus Newfleet Tax-Exempt Bond Fund \| Class A
Prospectus:
Trading Symbol	HXBZX
Virtus Newfleet Tax-Exempt Bond Fund \| Class C
Prospectus:
Trading Symbol	PXCZX

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