This perspective article proposes that Nottingham's persistently high NEET rate — 33% above the national average — reflects a structural factor not currently addressed by existing intervention frameworks: the concentration of social and emotional investment in a single dominant aspiration or vocational asset, leaving young people without parallel architecture to absorb the disruption when that aspiration is blocked. Drawing on the Human Asset Portfolio Hedge Engineering (HAPHE) framework and two preliminary observational evidence bases published as preprints on Zenodo in June 2026, the article introduces the concept of community relationship dimensionality as a measurable predictor of youth disengagement at points of transition. The article situates this argument within Nottingham's specific historical and demographic context — including the generational legacy of concentrated portfolio collapse in former coalfield communities — and proposes a specific testable hypothesis for formal empirical investigation in partnership with Nottingham's university research infrastructure. The article concludes with an open invitation to researchers, commissioners and institutions in Nottingham and Nottinghamshire to engage with a collaborative investigation of portfolio concentration as an upstream structural predictor of NEET status. Related publications: DOI 10.5281/zenodo.20519232 and DOI 10.5281/zenodo.20520067.