X0101 EFFECT 33 LIVE 2013-04-12 0000743773-13-000012 485APOS 0000743773 Calvert Variable Products, Inc. 002-90309 S000040490 Calvert VP Volatility Managed Growth Portfolio C000125701 Class F S000040491 Calvert VP Volatility Managed Moderate Growth Portfolio C000125702 Class F S000040492 Calvert VP Volatility Managed Moderate Portfolio C000125703 Class F