Prediction markets: Polymarket gives Millonarios FC a 83.5% chance against Once Caldas, and Kalshi gives Santos Laguna a 25% chance to win the Liga MX Clausura, as of October 20, 11:07 p.m. ET. Prices are bets, not polls.
São Paulo hosts a decisive night. Palmeiras carry a 2-1 lead into Wednesday’s Copa Libertadores semi-final second leg against Fluminense at Nubank Parque, and a draw would send them to the final.
Boca Juniors are through in Rio. Boca beat Vasco da Gama 3-1 at the Maracanã on Tuesday to win their Copa Sudamericana semi-final 3-2 on aggregate.
Two finals are set for late November. The Sudamericana final is on 21 November in Barranquilla, and the Libertadores final is on 28 November in Montevideo.
Prediction markets. Polymarket traders put Flamengo at 48.0%, Palmeiras at 42.0% and Estudiantes at 8.2% to win the Libertadores, as of 11:01 p.m. ET on Tuesday, 20 October.
Today’s headlines October 21, 2026
Event
Status
Angle
Copa Libertadores SF Leg 2: Palmeiras vs Fluminense
Wednesday, 8:30pm ET
Palmeiras lead 2-1 from the first leg and host the second at Nubank Parque in São Paulo.
Copa Sudamericana SF Leg 2: Montevideo City Torque vs Atlético Mineiro
Wednesday, 6pm ET
Atlético Mineiro lead 3-0 from the first leg; the winner meets Boca Juniors in the final.
Copa Libertadores SF Leg 2: Flamengo vs Estudiantes
Thursday, 8:30pm ET
The first leg in La Plata ended 0-0, so the tie is open at the Maracanã.
Copa Sudamericana Final
November 21
Boca Juniors have booked their place; the final is in Barranquilla.
01
Palmeiras look to finish the job against Fluminense in São Paulo
Preview
Palmeiras host Fluminense in the second leg of their Copa Libertadores semi-final on Wednesday at 9:30pm Brasília time (8:30pm ET) at Nubank Parque. Palmeiras won the first leg 2-1 at the Maracanã on 14 October, with goals from Flaco López and Marlon Freitas, and Wesley Natã pulled one back for Fluminense.
A place in the final on 28 November in Montevideo is the prize. A draw would send Palmeiras through, while Fluminense need to win.
The other Libertadores semi-final, Flamengo against Estudiantes, is on Thursday at the Maracanã after a 0-0 first leg.
In short — Palmeiras hold a 2-1 aggregate lead as they host Fluminense in Wednesday’s Libertadores semi-final second leg.
File photo of Estadio Azteca in Mexico City. Latin America Sports Daily for Wednesday, October 21, 2026.
Boca Juniors reach the Sudamericana final as Atlético Mineiro eye the other spot
Result and preview
Boca Juniors beat Vasco da Gama 3-1 at the Maracanã on Tuesday, winning the semi-final 3-2 on aggregate. Di Lollo and Merentiel put Boca two goals up by the 33rd minute, Puma pulled one back for Vasco, and Paredes scored late from the bench.
The other semi-final is decided on Wednesday at the Estadio Centenario in Montevideo at 7pm Montevideo time (6pm ET). Atlético Mineiro won the first leg 3-0 against Montevideo City Torque, so the Brazilian side only needs to avoid a heavy defeat.
The winner meets Boca Juniors in the final on 21 November at the Estadio Metropolitano in Barranquilla, Colombia.
In short — Boca Juniors are in the Sudamericana final; Atlético Mineiro lead Montevideo City Torque 3-0 before Wednesday’s second leg.
03
What Prediction Markets Say
Markets
Traders on Polymarket, a prediction market, price Flamengo at 48.0 percent to win the Copa Libertadores, Palmeiras at 42.0 percent and Estudiantes at 8.2 percent at 11:01 p.m. ET on Tuesday, 20 October. About US$35,800 had been traded on that market, and these are bets by traders, not forecasts or results.
Why we show this: prediction markets turn real-money bets into a live probability that moves within minutes of the news, which is why investors, campaigns and newsrooms in the United States now follow them closely. We show them next to polls and official results, never instead of them.
What Prediction Markets Say
Implied chances from traders’ prices, as of October 20, 11:07 p.m. ET.
Millonarios FC vs. Once Caldas
Millonarios FC 83.5% · Draw (Millonarios FC vs. Once Caldas) 14.5% · Once Caldas 1.7%
Polymarket · US$30,560 traded
Liga MX Clausura Champion
Santos Laguna 25% · America 22% · Guadalajara 18%
Kalshi (regulated in the US by the CFTC) · 550,346 contracts traded
UTC Cajamarca 91% · FC Cajamarca 59% · Deportivo Moquegua 45%
Polymarket · US$20,728 traded
Why we show this: prediction markets turn real-money bets into a live probability that moves within minutes of the news, which is why investors, campaigns and newsrooms in the United States now follow them closely. We show them next to polls and official results, never instead of them.