What the Odds Say About Pat vs. Asplund
Steven Asplund enters this MMA bout as a clear favorite, but the size of that edge varies significantly depending on where you look. BetOnline.ag has Asplund listed at -233, implying he wins roughly 70% of the time. Guilherme Pat sits at +192 on the same book, giving the underdog an implied win probability of about 34%.
The more striking number comes from Polymarket, where Asplund is priced at -556, translating to an implied probability of approximately 85%. Pat is listed at +233 on Polymarket, implying roughly a 30% chance of winning. The gap between these two platforms is worth understanding before placing any bet.
Breaking Down the Pat vs. Asplund Line Differences
The spread between BetOnline.ag and Polymarket on this fight is notable. On the Asplund side, you are looking at a difference of more than 300 points in American odds between the two platforms.
There are a few explanations for this kind of discrepancy. Polymarket is a prediction market rather than a traditional sportsbook, meaning prices are driven by crowd consensus rather than professional oddsmakers. If a large portion of Polymarket users are highly confident in Asplund, the market price can drift further in one direction than a regulated book would allow without triggering sharp action.
For bettors trying to find value, this gap matters. If you believe Asplund is closer to a 70% favorite than an 85% favorite, BetOnline's line reflects that view more accurately. If you are looking at Pat as a live underdog, the +233 on Polymarket offers a better return than the +192 at BetOnline, though the two markets function differently and a direct comparison requires context.
Use the Odds Converter to translate these American odds into implied probabilities or decimal formats before deciding where the value sits.
Reading the Totals Market
The rounds total adds another layer of context. BetOnline has the over/under set at 1.5 rounds, with the over priced at -200 and the under at +174. A -200 price on the over implies roughly a 67% chance this fight goes beyond the first round and a half.
The BetOnline total is the market to focus on here. An over at -200 suggests oddsmakers expect this fight to have some duration, meaning neither fighter is a dominant early finisher or their styles tend to produce longer exchanges. The under at +174 carries value if you believe one fighter can produce a quick finish.
Polymarket's totals are structured around a 0.5-round line priced near -3333, which signals near-certainty that the fight lasts past the opening moments of round one. That line is not actionable for comparison purposes.
Factors That Could Move This Line
Several variables could shift the odds before fight night on Sunday, August 10.
Late betting action and sharp movement. If respected bettors or syndicates push significant money onto one side, books will adjust. A line that opens at -233 for Asplund could tighten or extend depending on where professional money lands.
Injury news or fight week updates. MMA lines are particularly sensitive to reports about fighter health, training camp issues, or weight cut problems. Even a hint of trouble can shift a line by 30 to 50 points quickly.
Public betting percentages. If Pat draws heavy public action as an underdog based on name recognition or social media buzz, books may shade the line further toward Asplund to balance exposure.
Style matchup details. As more information surfaces about how these two fighters match up technically, the market will respond. Finishing rate, grappling tendencies, and striking accuracy all factor into how sharp bettors assess the true probability of each outcome.
To track how this line moves as fight week approaches, check out Steam Moves on Line Whale to monitor sharp movement in real time.
The Bottom Line on This Market
Asplund is the consensus favorite, with BetOnline pricing him at -233 and Polymarket pricing him considerably more aggressively at -556. The gap between these two platforms is the most interesting part of this market right now. Bettors on either side should compare the available numbers carefully and consider where they believe the true probability sits.