Model	INDEX			BUY			SELL
Model	A	B	C	A	B	C	A	B	C
Break point	2015M08	2014M06	2015M08	2015M05	2014M12	2015M05	2015M06	2014M12	2014M01
ZA test statistic	−4.864802ª	−3.808255	−4.844847ª	−5.451233ᶜ	−5.019624ᶜ	−5.421114ᵇ	−5.788624ᶜ	−5.416380ᶜ	−5.914394ᶜ
K	1	1	1	9	9	12	9	9	12
Critical values
1 %	−5.34	−4.80	−5.57	−5.34	−4.80	−5.57	−5.34	−4.80	−5.57
5 %	−4.93	−4.42	−5.08	−4.93	−4.42	−5.08	−4.93	−4.42	−5.08
10 %	−4.58	−4.11	−4.82	−4.58	−4.11	−4.82	−4.58	−4.11	−4.82