The invention provides a polymerizable compound of formula (I), polymerizable composition, polymer, and optically anisotropic article capable of obtaining an optical film having a low melting point, excellent solubility, being manufactured at low cost, and of uniform polarized light conversion across a broad wavelength region. In formula (I): Y1 to Y6 are independently a chemical single bond, —O—, —O—C(═O)—, —C(═O)—O—; G1 and G2 are independently a divalent C1-C20 aliphatic group; Z1 and Z2 are independently a C2-C10 alkenyl group substituted with a halogen atom; Ax is a C2-C30 organic group that includes at least one aromatic ring of an aromatic hydrocarbon ring or an aromatic hetero ring; Ay is H, a C1-C20 alkyl group, a C2-C20 alkenyl group, a C3-C12 cycloalkyl group; A1 is a trivalent aromatic group; A2 and A3 are independently a divalent C6-C30 aromatic group; and Q1 is H, or a C1-C6 alkyl group.