Nikolaos Rapanos

Nikolaos Rapanos is a macro portfolio manager and financial economist. He is a Portfolio Manager at Eisler Capital and a Visiting Researcher at Imperial College Business School. He holds a PhD in Financial Economics from Imperial College Business School, an MSc in Finance from MIT Sloan School of Management, and an MEng in Electrical and Electronic Engineering (First Class Honours) from Imperial College London. His research covers asset pricing, market microstructure, machine learning and applied macroeconomics.

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• Quant employment verification: CONFIRMED. His personal site (nicolasrapanos.com: 'I am a Portfolio Manager at Eisler Capital and a Visiting Researcher at Imperial College Business School') and his Imperial College faculty profile (Business School, Department of Finance) both name him and state the same Eisler Capital Portfolio Manager role on a supported identity. Employer classification: Eisler Capital is a macro hedge fund; Caxton Associates is a global macro hedge fund; Balyasny Asset Management L.P. is a multi-strategy hedge fund; Goldman Sachs is an investment bank - all operate in quantitative/systematic or macro trading. The Eisler Capital Portfolio Manager role is primary-source confirmed; the Caxton Associates, Balyasny and Goldman Sachs entries come from index/lead data and remain index-only, not independently primary-confirmed.2026
• Official IMO results: 2008 Greece, rank 297 (44.7%), Honourable Mention, 12 points; 2006 Greece, rank 308 (38.4%), Honourable Mention, 12 points. Participation and awards confirmed on the official olympiad results page.2008
• 'Best Short' working paper (with Pasquale Della Corte and Robert Kosowski) infers investor expectations from investor-stock-level net short positions in European markets; the long-short strategy generates >8% annual risk-adjusted excess return not explained by transaction costs or lending frictions.2019
• 'Covering Trades Uncovered' working paper (with Dimitris Papadimitriou) studies short-covering exits using disclosed European net short positions, finding profitable covers associate with positive price reaction and future abnormal returns.2024