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Grand Slam News

    Prediction markets for Grand Slam

    OptionProbability

    President with Green Eyes elected

    Crewed mission to Phobos

    USA adds 52nd state

    Room temperature superconductor discovered

    UK has a queen again

    24th Doctor Who regenerates into the 25th

    Olympics hosted in Japan again

    Tom Scott's This Video Has X Views hits 1B

    RSA-2048 cracked

    Harlem Globetrotters lose again

    2000 Pokemon Released or franchise ceases

    The Beatles music enters the public domain

    Batman enters the public domain

    Hershey's reintroduces the Gold bar

    Norway Bans Whaling

    human dies on the moon

    African company or country lands on moon

    Japan Bans Whaling

    Tom Scott's This Video Has X Views hits 500M

    Pokemon Card sells for $10M

    First hispanic USA president

    Olympics hosted in Africa

    Longest suspension bridge record broken

    Team Fortress 3 releases

    Country claims the Bir Tawil triangle

    Pickleball in the Olympics

    End support date for Windows 12

    Grand Theft Auto 7 releases

    The next 9.0 magnitude earthquake

    USA fully ends embargo on Cuba

    Google, Anthropic, OpenAI, Nvidia, Microsoft or Amazon announces a new CEO (after 2026)

    19th Doctor Who regenerates into 20th

    USA Adds 51st state

    ChatGPT 10 releases

    Superman enters the public domain

    Human walks on mars

    The version after Windows 12 releases

    China invades Taiwan or resolves conflict

    Centennial Lightbulb burns out

    Underwater hold breath world record broken

    Blood Meridian movie release

    Destiny retires from regular streaming

    First asian USA president (as judged by self ID & manifold opinion after inauguration)

    Bugs Bunny enters public domain

    Windows 11 end support date

    Peppa Pig ends

    EU reaches 30 member states

    Grimace Shake returns to McDonalds

    Sitting USA president visits Belize for the first time

    The first $10T market cap company

    Bitcoin reaches $200K USD

    Taika Waititi's Star Wars film releases

    India hosts the Olympics

    1500 Pokemon Released

    Civilization 8 releases

    Star Citizen releases or company ceases

    Family Guy ends

    Two grand slams in one MLB game by one player again

    Kingdom Hearts 4 releases

    First female USA president

    South Park ends

    Chicago ends on Broadway

    Manifold reaches 20K MAU

    Xi no longer in power in China

    James Cameron's Avatar 4 releases

    Simpsons ends

    Iceland Bans Whaling

    Another MLB perfect game pitched

    1300 Pokemon Released

    Sagrada Familia Church completed

    One piece manga ends

    Burj Khalifa record for tallest building broken

    Human walks on moon again

    Trump Dies

    Book of Mormon ends on Broadway

    Uber OR Lyft bankrupt / acquired / ceases

    Half Life 3 releases

    USA's Doris Miller aircraft carrier launched

    Bitcoin reaches $150K USD

    Manifold reaches 40K MAU

    Russia / Ukraine conflict ceasefire

    Skibidi Toilet ends

    a third Five Nights at Freddy's movie comes out

    ChatGPT 7 releases

    a USA president impeached again

    Putin no longer in power in Russia

    Shrek 5 releases

    Twitter gets a new CEO after Linda Yaccarino (or ceases operations)

    marijuana no longer federally a schedule 1 drug in the USA

    Grand Theft Auto 6 releases

    ChatGPT 6 releases

    First Trillionaire (USD)

    Human runs official marathon under 2h

    Price of gold hits $5000/oz

    The first $5T market cap company

    USA discontinues or changes penny coin

    Death Stranding 2 releases

    First $100B revenue media franchise

    New Pope after Francis

    Civilization 7 releases

    Bitcoin reaches $100K USD

    Mario 64 120star speedrun WR 1h36m00s or less

    Dallas Mavericks play in the NBA championship

    Sweden joins NATO

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    2

    1

    Will Djokovic announce his retirement in 2026?

    Jan 1, 2:48 AMDec 31, 11:59 PM
    2.16%chance
    115524

    OptionVotes

    YES

    NO

    5404

    80

    OptionProbability

    Other

    Ben Shelton

    Félix Auger-Aliassime

    Learner Tien

    Alex de Minaur

    Taylor Fritz

    Alexander Bublik

    Arthur Fils

    Casper Ruud

    Stefanos Tsitsipas

    Flavio Cobolli

    49

    9

    7

    6

    5

    5

    5

    5

    4

    3

    2

    OptionProbability

    5 or more

    10 or more

    15 or more

    20 or more

    96

    36

    13

    5

    Will Grand Slam Track successfully host at least one meet in 2026?

    Jul 25, 3:03 AMDec 31, 8:36 AM
    8.66%chance
    32270

    OptionVotes

    YES

    NO

    3248

    308

    OptionProbability

    Rafael Jódar

    Someone else

    João Fonseca

    Arthur Fils

    Jakub Menšík

    Moïse Kouamé

    Alexander Blockx

    Learner Tien

    20

    13

    12

    12

    12

    11

    11

    10

    How many grand slams will Novak Djokovic win in total?

    Jan 31, 10:29 PMDec 31, 11:59 PM
    91606

    OptionProbability

    24

    25

    26

    27

    28

    >29

    90

    8

    1

    0

    0

    0

    OptionProbability

    11-15

    16-20

    6-10

    21-25

    26+

    0-5

    49

    26

    16

    6

    2

    1

    OptionProbability

    Before 2034

    Before 2035

    Before 2033

    Before 2032

    Before 2031

    Before 2030

    Before 2029

    Before 2028

    Before 2027

    Before 2026

    50

    50

    41

    37

    34

    31

    20

    10

    1

    0

    OptionProbability

    Player pitches an immaculate inning

    Player gets an unassisted triple play

    Player hits two grand slams in a game

    Player hits four home runs in a game

    Player has 3 hits in an inning

    Player pitches a perfect game

    43

    16

    12

    12

    12

    11

    OptionVotes

    YES

    NO

    108

    48

    Will Su-wei Hsieh win another tennis Grand Slam?

    Jan 14, 5:06 AMMar 12, 1:29 PM
    68.93%chance
    385

    OptionVotes

    NO

    YES

    149

    67