Candidate models

MA(1)

ARMA(1, 4)

MA(2)

ARMA(1, 5)

MA(3)

ARMA(1, 6)

MA(4)

SARIMA(1, 0, 1) (1, 0, 1)

MA(5)

SARIMA(1, 0, 2) (1, 0, 2)

MA(6)

SARIMA(1, 0, 3) (1, 0, 3)

AR(1)

SARIMA(1, 0, 4) (1, 0, 4)

ARMA(1, 1)

SARIMA(1, 0, 5) (1, 0, 5)

ARMA(1, 2)

SARIMA(1, 0, 6) (1, 0, 6)