@misc{liu2026InstrumentEquivalence,
  author    = {Liu, Hang},
  title     = {Instrument Equivalence Across Perpetual-Futures Venues: Evidence Levels, Unit Normalization, and Reference Prices},
  year      = {2026},
  publisher = {Zenodo},
  doi       = {10.5281/zenodo.23931254},
  url       = {https://doi.org/10.5281/zenodo.23931254},
  note      = {humarb Research 08; preprint, not peer reviewed; CC BY 4.0}
}