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| Outcome | Chance | 24h | 1 week | Bid · Ask | 24h volume | Ends |
|---|---|---|---|---|---|---|
| LDP (Liberal Democratic Party) | 100% | 0 pts | +1 pts | >99¢ · 100¢ (<1¢) | — | ended |
| CDP (Constitutional Democratic Party of Japan) | 0% | 0 pts | 0 pts | — · <1¢ | — | ended |
| NKP (Komeito) | 0% | — | 0 pts | — · <1¢ | — | ended |
| JIP (Japan Innovation Party) | 0% | — | 0 pts | — · <1¢ | — | ended |
| JCP (Japan Communist Party) | 0% | — | 0 pts | — · <1¢ | — | ended |
| DPP (Democratic Party For the People) | 0% | — | 0 pts | — · <1¢ | — | ended |
| Reiwa | 0% | — | 0 pts | — · <1¢ | — | ended |
| NHK (Mintsuku) | 0% | — | 0 pts | — · <1¢ | — | ended |
| SDP (Social Democratic Party) | 0% | — | 0 pts | — · <1¢ | — | ended |
| DIY (Sanseitō) | 0% | — | −1 pts | — · <1¢ | — | ended |
| Other | 0% | 0 pts | 0 pts | 0¢ · 100¢ (100¢) | $0 | ended |
| Party A | 0% | 0 pts | 0 pts | 0¢ · 100¢ (100¢) | $0 | ended |
| Party B | 0% | 0 pts | 0 pts | 0¢ · 100¢ (100¢) | $0 | ended |
| Party C | 0% | 0 pts | 0 pts | 0¢ · 100¢ (100¢) | $0 | ended |
| Party D | 0% | 0 pts | 0 pts | 0¢ · 100¢ (100¢) | $0 | ended |
| Party E | 0% | 0 pts | 0 pts | 0¢ · 100¢ (100¢) | $0 | ended |
| CPJ (Conservative Party of Japan) | 0% | — | 0 pts | — · <1¢ | — | ended |
| Party F | 0% | 0 pts | 0 pts | 0¢ · 100¢ (100¢) | $0 | ended |
| Party G | 0% | 0 pts | 0 pts | 0¢ · 100¢ (100¢) | $0 | ended |
| When | Trader | Outcome | Bet | Size | P&L now | Insider |
|---|---|---|---|---|---|---|
| 453d | LDP (Liberal Democratic Party) | SellYes>99¢ | $1,013 | −$2 −0.2% | — | |
| 453d | LDP (Liberal Democratic Party) | BuyYes>99¢ | $11,536 | +$45 +0.4% | 10 | |
| 455d | AZwater2 fills | LDP (Liberal Democratic Party) | BuyYes>99¢ | $4,857 | +$13 +0.3% | 10 |
| 456d | Nikuman | LDP (Liberal Democratic Party) | SellYes99¢ → 100¢ | $7,052 | −$64 −0.9% | — |
| 457d | Po45 | DIY (Sanseitō) | BuyNo>99¢ | $3,135 | +$3 +0.1% | 10 |
| 457d | Po45 | LDP (Liberal Democratic Party) | BuyYes99¢ → 100¢ | $3,062 | +$16 +0.5% | 10 |
| 459d | CDP (Constitutional Democratic Party of Japan) | BuyNo>99¢ | $3,080 | +$4 +0.1% | 10 | |
| 459d | LDP (Liberal Democratic Party) | SellYes99¢ → 100¢ | $2,347 | −$21 −0.9% | — | |
| 461d | LDP (Liberal Democratic Party) | BuyYes98¢ → 100¢ | $3,001 | +$51 +1.7% | 10 | |
| 463d | 0x65c65De373A10e5f319f72 | LDP (Liberal Democratic Party) | SellYes98¢ → 100¢ | $1,427 | −$28 −1.9% | — |
| 465d | valmier | LDP (Liberal Democratic Party) | SellYes97¢ → 100¢ | $1,557 | −$43 −2.8% | — |
| 466d | LDP (Liberal Democratic Party) | SellYes97¢ → 100¢ | $7,153 | −$191 −2.7% | — | |
| 472d | LDP (Liberal Democratic Party) | SellYes97¢ → 100¢ | $1,457 | −$44 −3.0% | — | |
| 473d | valmier | LDP (Liberal Democratic Party) | BuyYes95¢ → 100¢ | $1,520 | +$80 +5.3% | 10 |
| 473d | LDP (Liberal Democratic Party) | BuyYes95¢ → 100¢ | $1,234 | +$66 +5.4% | 10 | |
| 473d | enquist-345 | LDP (Liberal Democratic Party) | SellYes96¢ → 100¢ | $2,884 | −$116 −4.0% | — |
| 474d | LDP (Liberal Democratic Party) | SellYes97¢ → 100¢ | $3,895 | −$108 −2.8% | — | |
| 475d | DIY (Sanseitō) | BuyNo>99¢ | $1,082 | +$1 +0.1% | 10 | |
| 475d | NHK (Mintsuku) | BuyNo>99¢ | $1,082 | +$1 +0.1% | 10 | |
| 475d | JCP (Japan Communist Party) | BuyNo>99¢ | $1,082 | +$1 +0.1% | 10 | |
| 475d | DPP (Democratic Party For the People) | BuyNo>99¢ | $1,082 | +$1 +0.1% | 10 | |
| 475d | JIP (Japan Innovation Party) | BuyNo>99¢ | $1,082 | +$1 +0.1% | 10 | |
| 475d | NKP (Komeito) | BuyNo>99¢ | $1,082 | +$1 +0.1% | 10 | |
| 475d | Reiwa | BuyNo>99¢ | $1,082 | +$1 +0.1% | 10 | |
| 475d | CPJ (Conservative Party of Japan) | BuyNo>99¢ | $1,082 | +$1 +0.1% | 10 | |
| 475d | SDP (Social Democratic Party) | BuyNo>99¢ | $1,082 | +$1 +0.1% | 10 | |
| 477d | Vamoss | LDP (Liberal Democratic Party) | SellYes99¢ → 100¢ | $4,753 | −$71 −1.5% | — |
| 477d | cigarettes5 fills | DIY (Sanseitō) | BuyNo>99¢ | $11,495 | +$12 +0.1% | 10 |
| 477d | cigarettes5 fills | SDP (Social Democratic Party) | BuyNo>99¢ | $11,494 | +$13 +0.1% | 10 |
| 477d | cigarettes5 fills | JCP (Japan Communist Party) | BuyNo>99¢ | $11,494 | +$13 +0.1% | 10 |
| 477d | cigarettes5 fills | JIP (Japan Innovation Party) | BuyNo>99¢ | $11,489 | +$18 +0.2% | 10 |
| 477d | cigarettes4 fills | CDP (Constitutional Democratic Party of Japan) | BuyNo>99¢ | $10,412 | +$38 +0.4% | 10 |
| 477d | cigarettes5 fills | DPP (Democratic Party For the People) | BuyNo>99¢ | $11,494 | +$13 +0.1% | 10 |
| 481d | Vamoss2 fills | LDP (Liberal Democratic Party) | BuyYes98¢ → 100¢ | $4,351 | +$70 +1.6% | 10 |
| 481d | LDP (Liberal Democratic Party) | SellYes98¢ → 100¢ | $3,252 | −$75 −2.3% | — | |
| 482d | cigarettes4 fills | Reiwa | BuyNo>99¢ | $7,498 | +$9 +0.1% | 10 |
| 482d | cigarettes4 fills | NKP (Komeito) | BuyNo>99¢ | $7,498 | +$9 +0.1% | 10 |
| 482d | cigarettes4 fills | NHK (Mintsuku) | BuyNo>99¢ | $7,498 | +$9 +0.1% | 10 |
| 482d | cigarettes4 fills | CPJ (Conservative Party of Japan) | BuyNo>99¢ | $7,498 | +$9 +0.1% | 10 |
| 482d | rollothomasi2 fills | LDP (Liberal Democratic Party) | BuyYes99¢ → 100¢ | $5,758 | +$70 +1.2% | 10 |
| 482d | RubiksCube | LDP (Liberal Democratic Party) | SellYes98¢ → 100¢ | $2,269 | −$38 −1.7% | — |
| 483d | ChampaLiberation | LDP (Liberal Democratic Party) | BuyYes99¢ → 100¢ | $1,585 | +$23 +1.4% | 10 |
| 483d | Nikuman | LDP (Liberal Democratic Party) | BuyYes99¢ → 100¢ | $7,023 | +$92 +1.3% | 10 |
| 493d | LDP (Liberal Democratic Party) | BuyYes97¢ → 100¢ | $2,354 | +$64 +2.7% | 10 |
The 27th general election of the House of Councillors is scheduled to be held in Japan by July 27, 2025, to elect half of the 248 members of the House of Councillors, the upper house of the National Diet, for a term of six years. This market will resolve to the political party that controls the most seats in Japan's House of Councillors as a result of the upcoming election. If voting in the next Japanese election for the House of Councillors does not occur by December 31, 2025, this market will resolve to "Other". In the case of a tie between a party and any other for the most seats held, this market will resolve in favor of the party whose listed abbreviation comes first in alphabetical order. If no abbreviation is listed for a party, the name of that party will be used. This market's resolution will be based solely on the number of seats won by the named party or coalition. This market will resolve based on the result of the election as indicated by a consensus of credible reporting. If there is ambiguity, this market will resolve based solely on the official results as reported by Japan's government.
Sources: Polymarket's Gamma API, its CLOB price history and its Data API, read every two minutes. Prices are each outcome's Yes price, which is the market's probability: 100¢ for LDP (Liberal Democratic Party) means the market gives it about 100%.