highly significantp = 0.000
BGDR reported highly significant coefficients for MA(1) = −0.9986 ( p = 0.000) and seasonal MA(1) = −0.9637 ( p = 0.000), with AIC = 13232.4, BIC = 13257.7, and residual diagnostics showing no autocorrelation (Ljung–Box p = 0.94) and no heteroskedasticity ( p = 0.40).