Sonny Fullerton

Stats @ UPenn Wharton

Index

Selected work

An index of thethings I've built.

A small set of working pieces. Please click on each to view the full project and links to demos where available.

  • 01
    Instrument

    Sphera

    Real-time 3D audio analysis tool. Winner of Wharton Venture Labs Innovation Fund.

    TypeScriptThree.jsWeb Audio APIGLSL
  • 02
    Market system

    Meridian

    Options pricing engine for prediction market contracts. Logit-normal diffusion, jump-diffusion, Greeks, paper-trading portfolio.

    PythonFastAPIPostgreSQLTypeScript
  • 03
    Market system

    Wagerly

    Social prediction market with parimutuel settlement engine and zero-sum ledger.

    Next.jsSwiftUISupabase
  • 04
    Studio

    Sonnate

    AI assistant studio for SMBs. Has deployed production clients.

    TypeScriptOpenAIReact
  • 05
    Research note

    Homophily under model substitution

    A partial replication of He et al. (2026, British Journal of Psychology) on Claude Haiku 4.5. Live dashboard and 2-page research note.

    PythonFastAPINext.jsnetworkx
End of index · 05 entries

About

Currently,

Freshman at The Wharton School (Statistics with a CIS minor, class of 2029). Previously at Eton College. Interested in problems at the intersection of stats, ML, and product design, particularly in music.