| Spread | Total | ML | Best ML | |
|---|---|---|---|---|
Lourenco | — | — | 100% | 100% Polymarket |
Cleveland | — | — | 0% | — |


| Spread | Total | Moneyline | Best ML | |
|---|---|---|---|---|
Gabriel Lourenco | — | — | 100% | 100% Polymarket |
Charlie Cleveland | — | — | 0% | — |
Charlie Cleveland (6-1) is the clear favorite over Gabriel Lourenco (7-1) in the heavyweight bout on Dana White's Contender Series Season 10, Week 4, a three-round fight at the Meta APEX in Las Vegas on Tuesday, September 1, 2026. The board leans to the fighter with the worse record because Cleveland has won twice in LFA this year while Lourenco has not competed since November 15, 2025. Roughly $21K in lifetime volume sits across Kalshi and Polymarket, with about $18.6K of it on Kalshi. The live board above carries the current price.
Charlie Cleveland is the favorite in a Dana White's Contender Series heavyweight bout in which he carries the worse record. Cleveland is 6-1, Gabriel Lourenco is 7-1, and the board still leans hard toward the American. Opposition and recency explain the gap: Cleveland has won twice in Legacy Fighting Alliance this year, including the LFA 230 main event on April 3, 2026, while Lourenco stacked seven straight wins on Brazilian regional cards and has not fought since November 15, 2025. Neither man is on the UFC roster. A win that impresses Dana White is what buys a contract, and roughly $21K has traded across Kalshi and Polymarket on which one gets it.
The two exchanges list this fight in different shapes. Polymarket runs one two-sided fight market, and as of the evening of August 31, 2026 it prices Cleveland at 64c against 37c for Lourenco. Kalshi instead lists two separate per-fighter winner contracts, and those have been trading at 66c on Cleveland and 36c on Lourenco. The two venues therefore land within 2c of each other on the favorite, which is inside normal two-sided pricing and leaves no value in the difference. Liquidity runs the other way from the pricing: Kalshi's pair of contracts holds about $18.6K of the roughly $21K lifetime total against about $2.4K on Polymarket, so Kalshi is the honest read on where this fight is actually being traded.
The snapshot series on this fight only reaches back about two and a half hours from late evening, so the movement story is short. Over that window Kalshi's Cleveland contract ticked from 65c to 66c while Polymarket's Lourenco side held at 37c. That is a one-cent firming toward the favorite, not a move, and anyone treating this as a market in motion is reading noise.
The records point the other way from the price, and that is the interesting part. Lourenco, 26, is a 6-foot-3, 229-pound orthodox heavyweight out of Brazil who fights as Black Mamba, and ESPN lists him at 7-1 with a 76-inch reach. His only professional loss came at Inside Fighters League 5 on October 17, 2021, and he has won seven in a row since, across Curitiba Fight Pro, Saikyo, Brazilian Cage Championship, Cidade da Luta and Master Fighting Championship. Every one of those is a Brazilian regional promotion, and his last outing was November 15, 2025, which puts him roughly nine and a half months inactive walking into this.
Cleveland, 28, is a 6-foot-2, 245-pound southpaw from the United States who fights as The Reaper, listed at 6-1 with a 75-inch reach. His single loss came at Caged Thunder 32 on June 7, 2025, and he has won four straight since, with the last two in LFA, the single most direct feeder promotion into this event. He beat his man at LFA 226 on February 6, 2026 and then headlined LFA 230 on April 3, 2026. The market is paying for that resume line and for five months of ring rust instead of nine and a half. Note that ESPN files the Brazilian as Gabriel Lorenco rather than the Lourenco spelling the platforms use, which matters if you go looking up his record yourself.
Physically this is close to a wash. Cleveland gives up an inch of height and an inch of reach and carries 16 more pounds, and the stance clash of southpaw against orthodox is the one structural edge on the card that a three-round heavyweight fight can turn on quickly.
Polymarket lists a full secondary ladder on this fight and none of it has traded. The round totals sit at over/under 0.5, 1.5 and 2.5 rounds, and the method markets cover the fight going the distance, a KO or TKO by either man, a KO or TKO by each fighter individually, and a submission finish. Every one of those legs shows zero volume and the board renders no price on any of them, which is the correct behavior on an untraded book rather than a defect. Treat the ladder as open inventory, not as a signal. The moneyline is the only leg on this fight with a real two-sided book behind it, and it is the only number worth quoting.
The market resolves to the fighter who is declared the winner of the heavyweight bout between Gabriel Lourenco and Charlie Cleveland on Tuesday, September 1, 2026 at the Meta APEX in Las Vegas, Nevada. It is scheduled for three rounds and ESPN lists the card for 7:00 PM ET on Paramount+. The winning contract pays $1 per share and the losing contract pays $0. Kalshi's contract carries a settlement window into the early hours of September 2, 2026 and Polymarket's runs to the end of September 1, 2026, so both books close out the same night the fight is decided.
Layoff gap: Lourenco has not competed since November 15, 2025, while Cleveland last fought April 3, 2026, and roughly nine and a half months of inactivity against five is the clearest thing the price is charging for.
Opposition quality: Cleveland's last two wins came in LFA, the primary feeder promotion into this event, against a Lourenco run built entirely on Brazilian regional cards.
Stance and size: Cleveland is a 245-pound southpaw giving up an inch of reach to a 229-pound orthodox fighter, and heavyweight stance clashes end early more often than they go to the cards.
Cross-platform agreement: Kalshi at 66c and Polymarket at 64c on Cleveland is a 2c gap with about $18.6K of the roughly $21K lifetime volume sitting on the Kalshi side, so there is no pricing disagreement to trade here.
Untraded prop ladder: the round totals and method markets carry zero volume and no rendered price, so any finish view has to be expressed through the moneyline.
The contract itself: this is a Contender Series bout, so a decision win that does not impress Dana White does not necessarily produce a UFC deal, and the market prices only the fight result, not the contract.
Season 10, Week 4 runs five bouts and each one has its own board. The Livingston vs Smith lightweight fight is the other heavily priced bout on the card, and McCracken vs Sanchez fills out the lightweight side. The middleweight bout between Brandon Holmes and Modestino Rodrigues and the welterweight Darby vs Rivera board complete the slate. For the wider MMA picture, the MMA and UFC market hub tracks every fight board across both platforms, and the sports board covers the rest of the day's cross-platform pricing.
Resolves to the fighter declared the winner of the heavyweight bout between Gabriel Lourenco and Charlie Cleveland on Dana White's Contender Series Season 10, Week 4, held Tuesday, September 1, 2026 at the Meta APEX in Las Vegas, Nevada. The bout is scheduled for three rounds and the source of truth is the official result announced in the cage, covering wins by knockout, technical knockout, submission, or judges' decision. The winning fighter's contract pays $1 per share and the losing contract pays $0. Kalshi's contract carries a settlement window running into the early hours of September 2, 2026 and Polymarket's runs to the end of September 1, 2026. A draw, a no contest, a cancellation, or a withdrawal before the bout takes place is handled by each platform's own void and refund rules rather than by a fighter contract paying out.
As of the evening of August 31, 2026, Charlie Cleveland is the favorite at 64c on Polymarket and 66c on Kalshi, with Gabriel Lourenco at 37c and 36c respectively. Polymarket lists one two-sided fight market while Kalshi lists a separate winner contract for each man. The live board above carries the current price.
Cleveland is favored, with the two books implying roughly a 64% to 66% chance he wins. That is despite Cleveland being 6-1 against Lourenco's 7-1, because Cleveland has fought twice in LFA in 2026 while Lourenco has been inactive since November 15, 2025.
The fight trades on both Kalshi and Polymarket. Kalshi holds about $18.6K of the roughly $21K in lifetime volume on the bout, so it carries the deeper book of the two.
It resolves the night of Tuesday, September 1, 2026, once the heavyweight bout at the Meta APEX in Las Vegas is decided. ESPN lists the Season 10, Week 4 card for 7:00 PM ET on Paramount+, and both platforms settle by the early hours of September 2, 2026.
Polymarket lists over/under 0.5, 1.5 and 2.5 rounds plus method markets covering the distance, a KO or TKO by either fighter, and a submission. All of them show zero volume and no rendered price, so watch whether the round totals attract a book before the fight.
Watch whether the weigh-in goes clean for a 245-pound versus 229-pound heavyweight matchup, and watch whether Kalshi's Cleveland contract holds above 65c. It moved from 65c to 66c across the last two and a half hours of snapshots on August 31, 2026.