  The pion electric polarizability, \alpha^E_\pi^\pm, the leading order
hadronic contribution to the muon anomalous magnetic moment, $a_\mu^{hvp 1} $,
and the ratio of the difference to the sum of vector and axial-vector
correlators, (V-A)/(V+A), are found within the instanton model of QCD vacuum.
The results are compared with phenomenological estimates of these quantities
following from the ALEPH and OPAL data on vector and axial-vector spectral
densities.
