Why financial models keep failing and what we’re missing about the structure of markets: More data and better algorithms won’t fix the problem if we misunderstand how financial systems actually behave

Ioannis Diamantis

Why financial models keep failing and what we’re missing about the structure of markets: More data and better algorithms won’t fix the problem if we misunderstand how financial systems actually behave

Ioannis Diamantis

Research output: Non-textual / digital / web - outputs › Web publication/site › Popular

Original language	English
Place of Publication	Medium.com
Media of output	Online
Publication status	Published - 15 Apr 2026

JEL classifications

c02 - Mathematical Methods
c00 - Mathematical and Quantitative Methods: General
c59 - Econometric Modeling: Other
d49 - Market Structure and Pricing: Other

Access to Document

https://medium.com/@ioannis.diamantis/why-financial-models-keep-failing-and-what-were-missing-about-the-structure-of-markets-1220df72d1bcLicence: CC BY

Cite this

Diamantis, I. (2026). Why financial models keep failing and what we’re missing about the structure of markets: More data and better algorithms won’t fix the problem if we misunderstand how financial systems actually behave. Web publication/site, . https://medium.com/@ioannis.diamantis/why-financial-models-keep-failing-and-what-were-missing-about-the-structure-of-markets-1220df72d1bc

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author = "Ioannis Diamantis",

year = "2026",

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Diamantis, I, Why financial models keep failing and what we’re missing about the structure of markets: More data and better algorithms won’t fix the problem if we misunderstand how financial systems actually behave, 2026, Web publication/site, Medium.com. <https://medium.com/@ioannis.diamantis/why-financial-models-keep-failing-and-what-were-missing-about-the-structure-of-markets-1220df72d1bc>