Amanda Lemos vs Alexia Thainara Prediction Market Odds, August 8, 2026
| Spread | Total | ML | Best ML | |
|---|---|---|---|---|
▶Lemos | — | O 2.5 67% | 71%70% | 71% Kalshi |
▶Thainara | — | U 2.5 33% | 71%70% | 71% Kalshi |
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Alexia Thainara is the 70c favorite (71c Kalshi, 70c Polymarket) over Amanda Lemos at 30c, and the gap is the entire story: Lemos is the former strawweight title challenger and the higher-ranked name, and the market prices her as roughly a 30% underdog. Thainara brings a 14-1 record and a 12-fight winning streak into her first bout against ranked opposition, while Lemos (15-6-1) has lost two straight and won two of her last six. Both books have held within 1c of each other for 24 hours ahead of the women's strawweight bout at UFC Vegas 120 on Saturday, August 8, 2026, with roughly $155K in tracked volume across the two platforms.
Alexia Thainara opened the last 24-hour window at 72c on Kalshi and sits at 71c against Amanda Lemos at 30c, a line that asks traders to fade a former title challenger in favor of a fighter who has never faced ranked opposition. The two Brazilians meet in a three-round women's strawweight bout on the main card of UFC Fight Night: Gamrot vs. Salkilld (UFC Vegas 120) at the Meta APEX in Las Vegas on Saturday, August 8, 2026. The UFC's official card lists Lemos at No. 8 and Thainara at No. 12 in the women's strawweight rankings, which is the unusual part: the market is fading the higher-ranked, more accomplished fighter by 40c.
Lemos vs Thainara Market Context
Amanda Lemos is 15-6-1 as a professional and 39 years old, a southpaw who challenged Zhang Weili for the women's strawweight title at UFC 292 in August 2023 and lost a one-sided unanimous decision in which she was outlanded 288-21 and taken down six times. Her recent form is what the board is pricing. Lemos has won two of her last six UFC fights, with a decision win over Iasmin Lucindo at UFC 313 in March 2025 as the bright spot, followed by a unanimous-decision loss to Tatiana Suarez on September 13, 2025 and a unanimous-decision loss to Gillian Robertson on March 14, 2026. The Robertson fight is the most relevant data point on this card: Robertson used grappling control to win every meaningful exchange, and it was her fifth straight victory. Lemos also withdrew from an earlier booking against Robertson in December 2025 for medical reasons hours before the event, so she has fought once in the last eleven months.
Alexia Thainara is 14-1 with a 12-fight winning streak dating to 2019 and is 3-0 in the UFC. She submitted Molly McCann with a rear-naked choke at 4:32 of round one in her promotional debut in London on March 22, 2025, took a unanimous decision from Loma Lookboonmee in Perth on September 27, 2025 by repeatedly dragging the Thai striker to the canvas, and beat Bruna Brasil by unanimous decision in Seattle on March 28, 2026, avenging the only loss of her career from a 2019 regional bout. She arrived through Dana White's Contender Series season 8. The statistical profile matches the results: Thainara lands 4.62 significant strikes per minute and averages 4.54 takedowns per 15 minutes, one of the highest rates in the division. Lemos lands 2.75 significant strikes per minute at 55% accuracy with roughly one takedown per 15 minutes. Both fighters stand five-foot-four, with Thainara holding a 67-inch reach against Lemos at 65 inches.
That takedown differential is the read the moneyline is expressing. Lemos has been controlled on the mat in each of her two most recent losses, and Thainara's primary weapon is exactly the tool that beat her. At 70.5c average, the board implies roughly a 70% chance Thainara wins, which is a steep number for a fighter stepping up in class for the first time and a name-brand discount on a former title challenger who has not been finished in either of her last two fights. The counter-case in the price is age and activity: Lemos is 39 with one fight in the past eleven months, and Thainara is the fresher fighter on a full camp.
The cross-platform picture is tight. Kalshi has Thainara at 71c and Lemos at 30c; Polymarket has Thainara at 70c and Lemos at 31c. That means Polymarket carries the better price on Thainara by 1c and Kalshi carries the better price on Lemos by 1c, a 1c spread that is inside the noise band and signals two books that agree on this fight. The line has effectively held over the tracked window: Kalshi's Thainara side drifted 72c to 71c and Lemos ticked 29c to 30c on Kalshi and 30c to 31c on Polymarket. That is a one-tick move toward the underdog, not a market shift. The live board above carries the current numbers.
What the Lemos vs Thainara Rounds and Method Markets Imply
The derivative markets are Polymarket-only, so there is no cross-platform check on them. The round-total ladder prices the over on 0.5 rounds at 91c, the over on 1.5 rounds at 76c, and the over on 2.5 rounds at 67c, which is a market that expects this fight to travel. The method board agrees: fight goes the distance sits at 64c, won by submission at 22c, and won by KO or TKO at 18c. Note the 3c gap between the over on 2.5 rounds at 67c and the explicit distance market at 64c inside the same book, which is the kind of internal inconsistency that shows up when only one platform is making a price.
The method split is the interesting part. Submission at 22c prices above KO or TKO at 18c, which tracks the grappling read and Thainara's rear-naked choke finish of McCann. Broken out by fighter, Thainara by KO or TKO trades at 11c and Lemos by KO or TKO at 10c, so the knockout equity is close to symmetric even though the moneyline is 70-30. In other words, the board is not pricing Thainara to blow through Lemos; it is pricing her to out-position and out-grapple her over 15 minutes, exactly the way Robertson and Suarez did. The undercard Elkins vs del Valle board carries a similar structure worth comparing.
When the Lemos vs Thainara Market Resolves
The moneyline resolves on the official result of the bout at UFC Fight Night: Gamrot vs. Salkilld on Saturday, August 8, 2026 at the Meta APEX in Las Vegas. The main card begins at 8:00 PM ET and this is the fourth of five main-card bouts, scheduled for three rounds. Winning contracts pay $1 per share and the losing side settles at $0. The round totals and method markets settle on the official time and method of stoppage recorded by the promotion.
Key Lemos vs Thainara Catalysts
Takedown volume: Thainara averages 4.54 takedowns per 15 minutes against a Lemos defense that surrendered control in both of her last two losses.
Weigh-in and activity: Lemos has fought once in the last eleven months after a December 2025 medical withdrawal, and she is 39.
Step-up test: Thainara is 3-0 in the UFC but has not faced a ranked opponent; the No. 8 versus No. 12 gap is the entire premise of the 70-30 line.
Distance pricing: the distance market at 64c and the over on 2.5 rounds at 67c leave a 3c inconsistency inside a single book.
Cross-platform spread: a 1c gap between Kalshi and Polymarket on both sides, with Polymarket cheaper on Thainara and Kalshi cheaper on Lemos.
Power equity: Thainara by KO or TKO at 11c versus Lemos by KO or TKO at 10c, close to symmetric despite a 40c moneyline gap.
Related Lemos vs Thainara and UFC Markets
The rest of the UFC Vegas 120 card trades alongside this bout: the Ty Miller vs Billy Ray Goff welterweight board closes the main card and the Steven Asplund vs Guilherme Pat heavyweight board opens the prelims. For longer-dated exposure, the UFC pound-for-pound year-end market prices the promotion's top-ranked fighter through December 2026. The full slate of live game and fight boards sits on the sports hub.
Resolution Criteria
The moneyline resolves to the fighter declared the winner of the Amanda Lemos vs Alexia Thainara women's strawweight bout at UFC Fight Night: Gamrot vs. Salkilld on Saturday, August 8, 2026 at the Meta APEX in Las Vegas. The official UFC result is the source of truth, including any result changed on the night by the Nevada State Athletic Commission. Winning contracts pay $1 per share and losing contracts settle at $0. There is no draw side offered on this two-way market, so a draw or a no-contest voids the contracts and returns stakes per each platform's rules. If either fighter withdraws and the bout is cancelled or rebooked to a different date, the market voids rather than settling. Round totals settle on the official time of stoppage and method markets settle on the official method recorded by the promotion, with a decision resolving the distance market to yes.
Key Factors
- Thainara averages 4.54 takedowns per 15 minutes against a Lemos who was grappled and controlled in both of her last two losses
- Lemos has fought once in the last eleven months after a December 2025 medical withdrawal, and she is 39 years old
- Thainara is 3-0 in the UFC but has never faced a ranked opponent, the premise behind the 70-30 moneyline
- Polymarket distance market at 64c sits 3c below its own over on 2.5 rounds at 67c, a one-book inconsistency
- Cross-platform spread is only 1c, with Polymarket cheaper on Thainara and Kalshi cheaper on Lemos
- Knockout equity is nearly symmetric (Thainara 11c, Lemos 10c) despite the 40c gap on the moneyline
What are the current Lemos vs Thainara odds?
As of August 8, 2026, Alexia Thainara is the favorite at 71c on Kalshi and 70c on Polymarket, with Amanda Lemos at 30c on Kalshi and 31c on Polymarket. The two books are within 1c of each other on both sides.
Who is favored in Lemos vs Thainara and by how much?
Thainara is favored at a 70.5c cross-platform average, an implied win probability of roughly 70%. Lemos, the former title challenger and the higher-ranked fighter at No. 8, is the 30c underdog.
Where can I trade the Lemos vs Thainara market?
The two-way moneyline trades on both Kalshi and Polymarket, with roughly $155K in tracked volume across the pair. The round totals and method-of-victory markets are Polymarket-only for this bout.
When does the Lemos vs Thainara market resolve?
It resolves on the official result of the bout at UFC Fight Night: Gamrot vs. Salkilld on Saturday, August 8, 2026 at the Meta APEX in Las Vegas. The main card starts at 8:00 PM ET and this three-round women's strawweight fight is the fourth of five main-card bouts.
What do the round and method markets say about Lemos vs Thainara?
Polymarket prices the fight to go the distance at 64c, a submission finish at 22c, and a KO or TKO at 18c, with the over on 2.5 rounds at 67c. The market expects a decision, which fits Thainara's 4.54 takedowns per 15 minutes and Lemos never having been finished in her last two losses.
What should I watch before Lemos vs Thainara resolves?
Watch the Friday weigh-in and any late scratch, since Lemos withdrew from a December 2025 booking for medical reasons hours before the event. A line move past 75c on Thainara or back under 65c would signal news the board has not otherwise absorbed.