How accurate are MAK's polls?

ELECTIONMAK POLLACTUAL RESULT
2023-05-14 Cumhurbaşkanlığı 1. Tur
Erdoğan: 45.4%
Kılıçdaroğlu: 50.9%
Oğan: 2%
Erdoğan: 49.52%
Kılıçdaroğlu: 44.88%
Oğan: 5.17%
2023-05-14 Genel Seçim
Cumhur: 45.2%
Millet: 42.7%
Emek: 10.8%
Cumhur: 49.49%
Millet: 35.04%
Emek: 10.55%
2019-06-23 İstanbul Belediye (tekrar)
Yıldırım: 48.2%
İmamoğlu: 50.3%
Yıldırım: 45%
İmamoğlu: 54.22%
2018-06-24 Genel Seçim
Cumhur: 52.7%
Millet: 36.6%
HDP: 9.2%
Cumhur: 53.7%
Millet: 33.9%
HDP: 11.7%
2018-06-24 Cumhurbaşkanlığı
Erdoğan: 51.5%
İnce: 24.4%
Erdoğan: 52.59%
İnce: 30.64%
2017-04-16 Anayasa Referandumu
Evet: 56.5%
Hayır: 43.5%
Evet: 51.41%
Hayır: 48.59%
2015-06-07 Genel Seçim
AK Parti: 43.6%
CHP: 24.9%
AK Parti: 40.87%
CHP: 24.96%
2015-11-01 Genel Seçim
AK Parti: 43.5%
CHP: 27.8%
AK Parti: 49.5%
CHP: 25.32%