St. Catharines, ON Mayoral Election Winner 2026
4 outcomes · Voting day: (in 19 days)
| Outcome | Probability | 24h change |
|---|---|---|
| Mat Siscoe | 95% | – |
| Ann-Marie Zammit | 3% | 0 pts |
| Anthony A. Adeoye | 3% | – |
| Jimmy Jackson | 1% | ▼1 pt |
- Mat Siscoe 95%
100%50%0%
Aug 25Sep 15Oct 7
Key questions
When is the vote?
Monday, October 26, 2026 (in 19 days).
Who is expected to win?
Mat Siscoe, with a market-implied probability of 95%, ahead of Ann-Marie Zammit at 3%. Updated 2026-10-07 15:35 UTC.
What do these percentages mean?
The percentages on electiontracker.eu are market-implied probabilities: how likely each outcome is, as priced by prediction markets. They are not polls and not our forecast, and they are refreshed every few minutes.

