Senior Lecturer
BA , MS , PhD (Poltava National Technical University)
Office OBS 4.08
Tel +64 3 479 8110
Email olena.onishchenko@otago.ac.nz
Dr Onishchenko is a senior lecturer in finance at the University of Otago (New Zealand). She holds a PhD in economics from Poltava National Technical University (Ukraine). She joined the department in 2014. Dr Onishchenko's research interests lie in empirical capital markets, with a particular focus on retail and institutional investors' trading behavior. She has published in peer-reviewed finance and economics journals such as Pacific-Basin Finance Journal, Journal of Behavioural Finance, Journal of Behavioural and Experimental Finance and Journal of Forecasting. In recent years, she has also developed research interests in short selling. Dr Onishchenko formed a successful research partnership with New Zealand Stock Exchange ( NZX ) and S3 Partners (New York-based financial start-up).
Dr Onishchenko has been the recipient of numerous AFAANZ and internal research grants.
Teaching
- FINC 202 Investment Analysis and Portfolio Management (Semester 1)
- FINC 403 Studies in Capital Markets
Bloomberg Trading Challenge (Faculty Advisor):
2024: Shenjian Li (Captain), Mingxuan Yu, Junxiu Lyu
Research interests
- Empirical capital markets
- Short selling, securities lending
- Market Microstructure
- Machine learning (ML) in finance
Supervision
PhD completed
- Sandun Fernando: Essays in Short Selling
- Sampath Kongahawatte: Essays in Investors' Trading Behaviour
PhD current
- Dauda Bola Abdulsalam: Essays in Market Microstructure
- Mingxuan (Steven) Yu: Machine Learning Applications for Financial Risk Management
- Shenjian Li: Geopolitical Risk and Cross-Section of Stock Returns: A Machine Learning Approach
FINC 580 completed
- Scott Clark: Investor’s Trading Behaviours: Evidence from the 2019 Christchurch Mosque Shootings
- Felicia Marston: Short Sellers’ Mood-Induced Trading and Stock Returns
- Finn Wilkinson: COVID-19 and Investors’ Trading Behavior: Evidence from the New Zealand Equity Market
Selected grants
2021
- Equity lending and stock resiliency surrounding market crashes. Olena Onishchenko, Jing Zhao, AFAANZ (Accounting & Finance Association of Australia and New Zealand)
2019
- Who trades on intraday equity market momentum? Olena Onishchenko, Duminda Kuruppuarachchi, Helen Roberts. Commerce Research Grant ( CRG )
Media coverage
- Why share market retail investors are their own worst enemy
NZ Herald, 13 December 2021 - Otago team top in Australasia in global trading challenge
13 January 2025 - How Kiwi finance students made $100k on the stock market in five weeks
NZ Herald, 15 January 2025
Publications
Wilkinson, F. W., Finta, M. A., & Onishchenko, O. (2024). COVID-19 and investors' trading behavior: Evidence from the New Zealand equity market. Pacific-Basin Finance Journal. Advance online publication. doi: 10.1016/j.pacfin.2024.102634 Journal - Research Article
Fernando, S., Onishchenko, O., & Kuruppuarachchi, D. (2024). Do short sellers amplify extreme market declines? Pacific-Basin Finance Journal, 87, 102498. doi: 10.1016/j.pacfin.2024.102498 Journal - Research Article
Onishchenko, O., Zhao, J., Kongahawatte, S., & Kuruppuarachchi, D. (2024). Investor heterogeneity and anchoring-induced momentum. Journal of Behavioral & Experimental Finance, 42, 100926. doi: 10.1016/j.jbef.2024.100926 Journal - Research Article
Onishchenko, O. (2023, February). Crowded shorts and the cross-section of stock returns. Verbal presentation at the New Zealand Finance Colloquium, Wellington, New Zealand. Conference Contribution - Verbal presentation and other Conference outputs
Ülkü, N., & Onishchenko, O. (2023). Institutional overcrowding everyday. Journal of Behavioral Finance, 24(1), 1-21. doi: 10.1080/15427560.2021.1892678 Journal - Research Article