0001026708 2018-10-30 2018-10-30 0001026708 wvit:S000011650Member 2018-10-30 2018-10-30 0001026708 wvit:S000011651Member 2018-10-30 2018-10-30 0001026708 wvit:S000011652Member 2018-10-30 2018-10-30 iso4217:USD xbrli:pure 497 2017-12-31 WILSHIRE VARIABLE INSURANCE TRUST 0001026708 false 2018-10-30 2018-10-30 2018-05-01 <p style="font: 11pt Times New Roman, Times, Serif; margin: 0"></p> <p style="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: right">October 30, 2018</p> <p style="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: right">&#160;</p> <p style="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: center"><b>WILSHIRE VARIABLE INSURANCE TRUST</b></p> <p style="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: center"><b>Wilshire 2015 Fund</b></p> <p style="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: center"><b>Wilshire 2025 Fund</b></p> <p style="font: 11pt Times New Roman, Times, Serif; margin: 0; 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