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All Journal Indonesian Journal of Electronics and Instrumentation Systems Transmisi: Jurnal Ilmiah Teknik Elektro Techno.Com: Jurnal Teknologi Informasi ELINVO (Electronics, Informatics, and Vocational Education) ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika JURNAL NASIONAL TEKNIK ELEKTRO JETT (Jurnal Elektro dan Telekomunikasi Terapan) Jurnal RESTI (Rekayasa Sistem dan Teknologi Informasi) JTERA (Jurnal Teknologi Rekayasa) BAREKENG: Jurnal Ilmu Matematika dan Terapan JRST (Jurnal Riset Sains dan Teknologi) Building of Informatics, Technology and Science Madani : Indonesian Journal of Civil Society Jurnal Teknik Informatika (JUTIF) JURPIKAT (Jurnal Pengabdian Kepada Masyarakat) Journal of Computer, Electronic, and Telecommunication (COMPLETE) Journal of Telecommunication, Electronics and Control Engineering (JTECE) Jurnal Ekonomika Dan Bisnis JURNAL TEKNIK INDUSTRI eProceedings of Engineering Jurnal Rekayasa elektrika Jurnal INFOTEL
Afandi, Mas Aly
Institut Teknologi Telkom Purwokerto
Humanities Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Dentistry Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Mathematics Mechanical Engineering Physics Public Health Social Sciences Transportation

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Journal : Building of Informatics, Technology and Science

 1 
Performance Analysis of Quantum Long Short-Term Memory (QLSTM) Models for TLKM Stock Price Prediction Vhazira, Nasya; Hikmah, Irmayatul; Afandi, Mas Aly
Building of Informatics, Technology and Science (BITS) Vol 7 No 4 (2026): March 2026
Publisher : Forum Kerjasama Pendidikan Tinggi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47065/bits.v7i4.9337

Abstract

Stock price prediction is a challenging task due to its nonlinear, dynamic, and temporal characteristics, yet accurate forecasting models are crucial for decision-making in volatile stocks such as PT Telkom Indonesia Tbk (TLKM). Despite the rapid adoption of AI-based forecasting methods, several research gaps remain. Empirical studies on Quantum Long Short-Term Memory (QLSTM) are still relatively limited compared to classical LSTM variants, particularly for emerging market datasets. Existing research also tends to emphasize architectural comparisons rather than systematically analyzing training configurations. The joint effects of optimizer selection, epoch number, and hidden unit size on QLSTM performance have not been comprehensively evaluated, and many studies rely on limited evaluation metrics, reducing the strength of robustness assessment. To address these gaps, this study applies a QLSTM model to predict stock opening prices using historical time-series data and systematically evaluates the impact of different optimizers. The model is trained using Adam, Nadam, RMSprop, and SGD with epoch variations (50–250) and hidden units (8, 16, 32). Performance is measured using accuracy, MAE, MSE, RMSE, MAPE, and R² to ensure a comprehensive evaluation. The results indicate that adaptive optimizers consistently outperform SGD, with Adam providing the most stable and accurate predictions, highlighting the importance of optimizer choice and hyperparameter configuration in QLSTM-based stock forecasting.
Co-Authors Abi Hakim Amanullah Abimanyu, Arya Adelia Kencana Putri Adiputra, Dimas Adriansyah, Bagas Afifah Dwi Ramadhani Agatha Dinarah Sri Rumestri Agung Wicaksono Agung Wicaksono Agustinah, Chandra Aisyah Ayu Wulandari Aisyah Alfin Anantia Prakasa Andi Aqsha Ramadana Lubis Andri Juli Setiawan Angga Bagus Prawira Anggun Fitrian Isnawati Anjani, Mia Arfianto Fahmi Arsiandro, Fadzly Haris Azhar Alfarisi, Fadhil Brayan Raynaldi Caesar Sabani Chandra Agustinah Crisianti, Risa Farid Dadan Nur Ramadan Dania Anggraeni Dhany Maulana Supriadi Dicky Revan Pangestu Dwi Cahyani, Puput DWI SURYANTO Dwika Pangestu, Septiana Eka Setia Nugraha Elsalami, Puspa Maudi Erlina Nur Arifani Ersa Sabila, Raga Ezi Rohmat Fadhila Karin Purnomo FADHLAN, FATHURROZAQ Fadillah, Siti Fairuz Azmi Fikra Titan Syifa Fikri Nizar Gustiyana Filbert H. Juwono Goran, Petrus Kerowe Gunawan Wibisono Hanif Aditya Permana Hanin Latif Fuadi hazia rifka maulida Hedi Krishna Helmy Widyantara Herryawan Pujiharsono Husaini, M. Arif I Ketut Agung Enriko Ibrohim Huzaimi Indah Permatasari Indah Permatasari Indah, Sevia Indrarini Dyah Irawati Irmayatul Hikmah Isa Hafidz Kevin Dwi Andika Hendarta Khulqi Rasyid kinanti, Alicia Kirani Lubis, Liza Lukman Priyambodo M. Raihan Muzzaki Makhdhori, Muhammad Marina, Prieska Montolalu, Billy Muhammad Aulia Baihaqy Muhammad Nur Al-Majid Mulyani, Elsa Sri Nabila, Nisrina Hania Nada Febiola Nur Azizah Natasya Nur Khalika Naura Nazhifah Nur, Ivan Akmal Nuralifa Kalyana Puteri, Keyza Nurcahyani Wulandari Nurkholis, Rizki Nurmeilinda, Kharisma Octavian Ery Pamungkas Oktaviana, Lutvi Tri Pangestu, Gusti Angga Pradana, Zein Hanni Prasetio, Angga Ari Prieska Marina Purwanti, Eri Nanda Dewi Puspa Rahmawati Puteri, Keyza Nuralifa Randi Adzin Murdiantoro Raynaldi, Brayan Reni Dyah Wahyuningrum Rhomandhona, Shinta Risa Fareid Christianti Risa Farid Crisianti Ristanti Akseptori Rizal Danisya, Achmad Rochmanto, Raditya Artha Rohan Hiskia Saragih, Aldo Salsabila, Unik Hanifah Saputra, Sahrul Selamet, Sheila Shelvia Setiawan, Andri Juli Sevia Indah Purnama Shidqi Dhamara, Ammar Silvi Nurandi Sitanggang, Andreas Sugondo Hadiyoso Sutarmin Sutarmin, Sutarmin Tarigan, Nicolas Yonara Tasya Enjelika Saputri Thofan Maliyano Ubaidilah Umar Utari, Tria Vhazira, Nasya Wahyu Andy Prastyabudi Yudha Purwanto