Singapore BTO odds & launch data
Know your BTO odds before you apply
Independent BTO ballot odds, launch tracking and flat-buying numbers for Singapore. Official HDB application rates, collected automatically and checked before they are published.
Projects in the latest launch
7
November 2026 BTO launch
Easiest 4-room last results
0.6
Sembawang Brook · first-timers per flat
Sales exercises tracked
3
and counting, every six hours
Official rate rows
29
by project and flat type
Lowest 4-room first-timer rates
June 2026 BTO launch, final figures from HDB. Lower means better odds.
Plan your application
Three ways to read the odds before you pick a project.
Ballot chance calculator
Your chance of a queue number from the application rate, your ballot chances and who else applies.
Every BTO launch
Projects, flat types and official application rates for each sales exercise, updated automatically.
Open methodology
The ballot model in full, what it leaves out, and the checks every figure passes before it appears.
How it works
Collected from HDB
Launches and final application rates come from HDB's Flat Portal several times a day.
Checked before publishing
Every run must pass structure and range checks; changed figures are held for 24 hours.
Turned into odds
Pick a project's first-timer rate and see your estimated chance in one click.