Updated September 2026. The original 2006 to 2021 sample is historical. Results depend on project selection, period, unit mix, sale type and methodology.
A reproducible resale versus new-launch framework
- Define the project universe and observation dates before calculating.
- Separate developer sales, subsales and resales.
- Normalise for unit size, floor, tenure and completion year.
- Report transaction counts, medians and dispersion, not only percentage change.
- Include duties, financing and holding costs before drawing conclusions.
Protected research tools may require authenticated access. Retained references include 99.co Researcher and EdgeProp analytics; readers should independently reproduce any current result.