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Japan B League: Winner

Market icon

Japan B League: Winner

Koshigaya Alphas 98%

Toyama Grouses 98%

Kawasaki Brave Thunders 98%

Fighting Eagles Nagoya 98%

Polymarket
NEW

Koshigaya Alphas 98%

Toyama Grouses 98%

Kawasaki Brave Thunders 98%

Fighting Eagles Nagoya 98%

Polymarket
NEW

Koshigaya Alphas

$25 Vol.

98%

Toyama Grouses

$25 Vol.

98%

Kawasaki Brave Thunders

$25 Vol.

98%

Fighting Eagles Nagoya

$25 Vol.

98%

Shiga Lakes

$25 Vol.

97%

Akita Northern Happinets

$25 Vol.

97%

Altiri Chiba

$25 Vol.

97%

Yokohama B-Corsairs

$25 Vol.

97%

Ibaraki Robots

$25 Vol.

97%

Kyoto Hannaryz

$25 Vol.

97%

Osaka Evessa

$25 Vol.

97%

Sunrockers Shibuya

$25 Vol.

97%

Utsunomiya Brex

$0 Vol.

50%

Chiba Jets

$0 Vol.

49%

Levanga Hokkaido

$0 Vol.

49%

Nagoya Diamond Dolphins

$0 Vol.

49%

Saga Ballooners

$0 Vol.

49%

Gunma Crane Thunders

$0 Vol.

49%

Shimane Susanoo Magic

$0 Vol.

49%

Nagasaki Velca

$0 Vol.

49%

Seahorses Mikawa

$0 Vol.

49%

Alvark Tokyo

$0 Vol.

48%

San-en NeoPhoenix

$0 Vol.

48%

West Division

$0 Vol.

48%

Hiroshima Dragonflies

$0 Vol.

47%

Ryukyu Golden Kings

$0 Vol.

47%

Sendai 89ers

$0 Vol.

44%

This market will resolve to "Yes" if the listed team is determined as the champion of the Japan B League. Otherwise, it will resolve to "No". If at any point it becomes impossible for a listed participant to be named as the champion of Japan B League per the rules of Japan B League (e.g., participant is eliminated), the corresponding market will resolve to "No". If multiple teams are declared winners, this market will resolve in favor of the team whose listed name comes first alphabetically. If this event is cancelled, postponed after June 7, 2026, 11:59 PM ET, or a champion has not been declared within this timeframe, this market will resolve to "Other". The resolution source will be official information from the Japan B League; however a consensus of credible reporting may also be used.Nagoya Diamond Dolphins lead trader consensus at 49.5% implied probability for the B.League championship, but probabilities remain tightly bunched around 48-49% across top contenders like Chiba Jets, Gunma Crane Thunders, Utsunomiya Brex, and Nagasaki Velca, underscoring a fiercely competitive playoff race with 13 regular-season games left. Nagasaki dominates Western Conference standings at 38-9 (.809, W4 streak), yet Nagoya sits two games back at 36-11 (.766) with a +10.7 point differential; Eastern leaders Utsunomiya Brex (35-12, .745) hold a slim edge over Chiba (32-15, .681, L2) and hot Gunma (31-16, .660, W7). Recent streaks and head-to-head matchups amplify uncertainty, as top-3 conference seeds secure home-court advantage in the knockout playoffs where upsets thrive.

This market will resolve to "Yes" if the listed team is determined as the champion of the Japan B League. Otherwise, it will resolve to "No".

If at any point it becomes impossible for a listed participant to be named as the champion of Japan B League per the rules of Japan B League (e.g., participant is eliminated), the corresponding market will resolve to "No".

If multiple teams are declared winners, this market will resolve in favor of the team whose listed name comes first alphabetically.

If this event is cancelled, postponed after June 7, 2026, 11:59 PM ET, or a champion has not been declared within this timeframe, this market will resolve to "Other".

The resolution source will be official information from the Japan B League; however a consensus of credible reporting may also be used.
Volume
$300
End Date
Jun 7, 2026
Market Opened
Apr 2, 2026, 4:37 PM ET
This market will resolve to "Yes" if the listed team is determined as the champion of the Japan B League. Otherwise, it will resolve to "No". If at any point it becomes impossible for a listed participant to be named as the champion of Japan B League per the rules of Japan B League (e.g., participant is eliminated), the corresponding market will resolve to "No". If multiple teams are declared winners, this market will resolve in favor of the team whose listed name comes first alphabetically. If this event is cancelled, postponed after June 7, 2026, 11:59 PM ET, or a champion has not been declared within this timeframe, this market will resolve to "Other". The resolution source will be official information from the Japan B League; however a consensus of credible reporting may also be used.
This market will resolve to "Yes" if the listed team is determined as the champion of the Japan B League. Otherwise, it will resolve to "No". If at any point it becomes impossible for a listed participant to be named as the champion of Japan B League per the rules of Japan B League (e.g., participant is eliminated), the corresponding market will resolve to "No". If multiple teams are declared winners, this market will resolve in favor of the team whose listed name comes first alphabetically. If this event is cancelled, postponed after June 7, 2026, 11:59 PM ET, or a champion has not been declared within this timeframe, this market will resolve to "Other". The resolution source will be official information from the Japan B League; however a consensus of credible reporting may also be used.Nagoya Diamond Dolphins lead trader consensus at 49.5% implied probability for the B.League championship, but probabilities remain tightly bunched around 48-49% across top contenders like Chiba Jets, Gunma Crane Thunders, Utsunomiya Brex, and Nagasaki Velca, underscoring a fiercely competitive playoff race with 13 regular-season games left. Nagasaki dominates Western Conference standings at 38-9 (.809, W4 streak), yet Nagoya sits two games back at 36-11 (.766) with a +10.7 point differential; Eastern leaders Utsunomiya Brex (35-12, .745) hold a slim edge over Chiba (32-15, .681, L2) and hot Gunma (31-16, .660, W7). Recent streaks and head-to-head matchups amplify uncertainty, as top-3 conference seeds secure home-court advantage in the knockout playoffs where upsets thrive.

This market will resolve to "Yes" if the listed team is determined as the champion of the Japan B League. Otherwise, it will resolve to "No".

If at any point it becomes impossible for a listed participant to be named as the champion of Japan B League per the rules of Japan B League (e.g., participant is eliminated), the corresponding market will resolve to "No".

If multiple teams are declared winners, this market will resolve in favor of the team whose listed name comes first alphabetically.

If this event is cancelled, postponed after June 7, 2026, 11:59 PM ET, or a champion has not been declared within this timeframe, this market will resolve to "Other".

The resolution source will be official information from the Japan B League; however a consensus of credible reporting may also be used.
Volume
$300
End Date
Jun 7, 2026
Market Opened
Apr 2, 2026, 4:37 PM ET
This market will resolve to "Yes" if the listed team is determined as the champion of the Japan B League. Otherwise, it will resolve to "No". If at any point it becomes impossible for a listed participant to be named as the champion of Japan B League per the rules of Japan B League (e.g., participant is eliminated), the corresponding market will resolve to "No". If multiple teams are declared winners, this market will resolve in favor of the team whose listed name comes first alphabetically. If this event is cancelled, postponed after June 7, 2026, 11:59 PM ET, or a champion has not been declared within this timeframe, this market will resolve to "Other". The resolution source will be official information from the Japan B League; however a consensus of credible reporting may also be used.

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Frequently Asked Questions

"Japan B League: Winner" is a prediction market on Polymarket with 27 possible outcomes where traders buy and sell shares based on what they believe will happen. The current leading outcome is "Utsunomiya Brex" at 50%, followed by "Koshigaya Alphas" at 49%. Prices reflect real-time crowd-sourced probabilities. For example, a share priced at 50¢ implies that the market collectively assigns a 50% chance to that outcome. These odds shift continuously as traders react to new developments and information. Shares in the correct outcome are redeemable for $1 each upon market resolution.

"Japan B League: Winner" is a newly created market on Polymarket, launched on Apr 2, 2026. As an early market, this is your opportunity to be among the first traders to set the odds and establish the market's initial price signals. You can also bookmark this page to track volume and trading activity as the market gains traction over time.

To trade on "Japan B League: Winner," browse the 27 available outcomes listed on this page. Each outcome displays a current price representing the market's implied probability. To take a position, select the outcome you believe is most likely, choose "Yes" to trade in favor of it or "No" to trade against it, enter your amount, and click "Trade." If your chosen outcome is correct when the market resolves, your "Yes" shares pay out $1 each. If it's incorrect, they pay out $0. You can also sell your shares at any time before resolution if you want to lock in a profit or cut a loss.

The current frontrunner for "Japan B League: Winner" is "Utsunomiya Brex" at 50%, meaning the market assigns a 50% chance to that outcome. The next closest outcome is "Koshigaya Alphas" at 49%. These odds update in real-time as traders buy and sell shares, so they reflect the latest collective view of what's most likely to happen. Check back frequently or bookmark this page to follow how the odds shift as new information emerges.

The resolution rules for "Japan B League: Winner" define exactly what needs to happen for each outcome to be declared a winner — including the official data sources used to determine the result. You can review the complete resolution criteria in the "Rules" section on this page above the comments. We recommend reading the rules carefully before trading, as they specify the precise conditions, edge cases, and sources that govern how this market is settled.