St Kilda vs Sydney Prediction and Tips - AFL Round 21, 2026
Last updated: Aug 1, 2026, 3:00AM | Published: Jul 26, 2026, 10:20AM
St Kilda will sqaure off with Sydney in AFL Round 21 action at Marvel Stadium on Saturday, beginning at 1:05pm AEST.
This article features Stats Insider's prediction and tips for the St Kilda vs Sydney game, along with the latest betting odds and goalscorer tips.
Who Will Win?
Using advanced machine learning and data, Stats Insider has simulated the result of Saturday's St Kilda vs Sydney AFL match 10,000 times.
Our independent predictive analytics model gives the Swans a 61% chance of beating the Saints in Round 21 of the 2026 AFL season.
St Kilda vs Sydney: Odds
The latest Bet365 betting odds for Saturday's AFL clash at Marvel Stadium are listed below:
- Head to Head: St Kilda $2.55, Sydney $1.52
- Line: St Kilda +11.5 ($1.91), Sydney -11.5 ($1.91)
- Total (Over/Under 186.5 Points): Over $1.91, Under $1.91
Odds are correct at the time of publication and subject to change.
Looking at the latest head-to-head odds, Bet365 currently has St Kilda at $2.55 and Sydney at $1.52.
The Saints are listed as 11.5-point underdogs against the Swans, with odds of $1.91 available at Bet365.
For the favourite Swans (-11.5) to cover the line, Bet365 offers odds of $1.91.
The over/under for total points scored is set at 186.5 with Bet365, which has odds of $1.91 for the over and $1.91 for the under.
According to Stats Insider's model, the Saints (+11.5) are predicted to cover the line 54% of the time, while the 186.5-point over/under is expected to stay under 55% of the time.
St Kilda vs Sydney: Betting Tips
- Head to Head: St Kilda at $2.55 with Bet365
- Line: St Kilda +11.5 at $1.91 with Bet365
- Total Points: Under 186.5 at $1.91 with Bet365
These St Kilda vs Sydney best bets are based on complex modelling and betting expertise to give you the best possible advice around the clock.
While the Swans have a higher chance of winning the game, betting on the Saints to win is our preferred option because of the edge identified when comparing our data-driven probabilities to the odds currently available.
Making use of the edges published on Stats Insider is one of the keys to achieving long-term success as a punter.
St Kilda vs Sydney: Prediction
Stats Insider's predicted final score for St Kilda vs Sydney at Marvel Stadium on Saturday is Sydney winning 96-87.
This prediction is based on each team's average score following 10,000 game simulations.
Stats Insider provides full betting coverage of the St Kilda vs Sydney match on Saturday, including data-driven predictions and expert tips.
18+. Odds correct at time of publishing and subject to change.St Kilda vs Sydney: Goal Scorers
Are you looking for St Kilda vs Sydney goalscorer tips? The latest data is in.
According to Stats Insider, Sydney's Charlie Curnow is the most likely player to kick the first goal in St Kilda vs Sydney.
Curnow has a 10.3% chance of kicking the first goal at Marvel Stadium, while the Swans star has a 97.2% chance of kicking a goal at any time during the game.
Scroll down for our full list of first goalscorer and anytime goalscorer probabilities.
First Goal Scorer Tips
St Kilda
- Liam Ryan: 7.1% probability
- Jack Higgins: 6.8% probability
- Campbell Lake: 4.2% probability
- Mitch Owens: 3.7% probability
- Max Hall: 3.4% probability
Sydney
- Charlie Curnow: 10.3% probability
- Tom Papley: 5.9% probability
- Logan McDonald: 5.2% probability
- Isaac Heeney: 4.7% probability
- Chad Warner: 4.7% probability
Anytime Goal Kicker Tips
St Kilda
- Liam Ryan: 90.2% probability
- Jack Higgins: 88.4% probability
- Mitch Owens: 69.6% probability
- Campbell Lake: 69.6% probability
- Nasiah Wanganeen-Milera: 64.6% probability
Sydney
- Charlie Curnow: 97.2% probability
- Tom Papley: 84.5% probability
- Logan McDonald: 84.5% probability
- Isaac Heeney: 77.9% probability
- Chad Warner: 77.9% probability
Our model updates frequently, so keep checking this article for the latest betting analysis before the St Kilda vs Sydney game.
As always, see our Best Bets for betting tips for every AFL match, as well as predictions for a wide range of other sports.
St Kilda vs Sydney: Essential Details
The AFL Round 21 clash between the Saints and Swans at Marvel Stadium is scheduled to commence at 1:05pm AEST on Saturday.
All dates and times in this article are in Australian Eastern Standard Time (AEST), unless otherwise stated.
Conclusion
Our St Kilda vs Sydney predictions are based on 10,000 data-driven simulations of the game, all curated by our team of skilled data scientists and analysts. We use the latest in predictive analytics technology and machine learning to ensure our AFL tips are trustworthy and reliable, giving you the confidence to make informed decisions.
If you decide to use our AFL predictions for betting purposes, it's vital that you gamble responsibly and keep track of your money. For free and confidential support, call 1800 858 858 or visit gamblinghelponline.org.au.
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