JOEY O'BRIEN
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JOEY O'BRIEN
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Bootstrapping in the Open-Source Risk Engine
A step-by-step walkthrough: market data → XML config → bootstrap → zero-PV re-pricing check, all in Python via the …
Last updated on Jul 15, 2026
Speaking at LSEG Quant Summit London 2026
I had the pleasure of speaking on two topics at the LSEG Quant Summit 2026 in London: “ORE in the Era of Agentic AI” and …
Last updated on Jul 6, 2026
News
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Talk
Building a tidy data pipeline: Covid19 Northern Ireland
Thoughts on building a framework to automatically collect and update data of the Covid 19 pandemic in Northern Ireland.
Last updated on May 4, 2022
A complex networks approach to ranking professional Snooker players
Can complex networks help us to identify the greatest snooker player of all time?
Last updated on Jul 18, 2021
Covid-19 and the Irish Routine
What can we learn about how Covid-19 has changed Irish daily life from publicly available mobility data?
Last updated on Jul 21, 2020
The maths of fantasy football
Can strategic use of the Bench Boost, Free Hit and Triple Captain chips really increase your points total?
Last updated on Jul 5, 2026
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