Big Five News
Prediction markets for Big Five
At the end of One Piece, which five pirates will have the highest recorded bounties of all time?
Dec 28, 11:54 PMJan 2, 4:59 AM
21838058
OptionProbability
91
50
50
46
45
42
41
40
39
32
31
28
28
20
19
17
13
13
11
6
6
5
3
1
Will a novel published by a 'Big Five' publisher turn out to be written by an AI by 2028?
Aug 31, 7:40 PMJan 1, 6:59 AM
95.71%chance
577515
OptionVotes
4802
504
Covid Origins MegaMarket - lots of unlinked binary questions about the steps on the way, varying lengths
Dec 25, 7:05 AMJan 1, 6:59 AM
143479
OptionProbability
100
63
60
59
50
50
50
50
50
47
46
46
42
41
34
32
30
29
27
27
27
27
25
25
24
21
21
19
17
8
6
1
0
0
0
0
S&P 500 closing price end of September? (20 mana bonus, read description)
Sep 4, 4:03 AMSep 30, 11:59 PM
232184
OptionProbability
85
59
38
22
11
Will GiveWell fund/recommend Ultra Poor Graduation initiatives before January 2028?
Jan 15, 9:48 PMDec 31, 11:59 PM
31.14%chance
490
OptionVotes
160
110
Will at least 2 Big 12 teams make the 2026-2027 College Football Playoff
Sep 20, 3:44 PMDec 6, 11:59 PM
39.87%chance
352
OptionVotes
123
81

