Black Swan Student Society
Markets
What prediction markets are pricing at the moment: the questions trading most today, and the ones that moved most this week.
Most traded today
Ranked by volume over the last 24 hours.
Brazil Presidential Election
$1.6M traded today
Flávio Bolsonaro
81%
Luiz Inácio Lula da Silva
20%
US-Iran ceasefire continues through...?
$1.2M traded today
November 15
57%
November 22
49%
November 30
40%
Prime Minister of Israel after the next election?
$516K traded today
Gadi Eizenkot
54%
Benjamin Netanyahu
28%
Naftali Bennett
14%
Fed Decision in October?
$451K traded today
No change
87%
25 bps increase
14%
Will the US confirm that aliens exist by...?
$415K traded today
December 31
5%
Balance of Power: 2026 Midterms
$406K traded today
Democrats Sweep
63%
R Senate, D House
28%
Republicans Sweep
9%
Israel x Iran ceasefire continues through...?
$374K traded today
November 15
71%
November 30
64%
December 31
52%
Who wins the Senate pending Hormuz Agreement before the midterms?
$367K traded today
No Hormuz Agreement
90%
Hormuz Agreement; D Senate
5%
Hormuz Agreement; R Senate
4%
Brazil Presidential Election Second Round: Margin of Victory
$352K traded today
Flávio Bolsonaro <4%
41%
Flávio Bolsonaro 4-8%
31%
Lula da Silva <4%
19%
Next French Presidential Election
$284K traded today
Marine Le Pen
48%
Édouard Philippe
18%
David Lisnard
12%
Moved most this week
Each outcome's chance now, and how far it moved in seven days.
Next Prime Minister of Romania?
Luca Niculescu
95%
, up 40 points this week
US imports Russian diesel by...?
October 31
2%
, down 39 points this week
November 30
32%
What price will Bitcoin hit in October?
Reaches $87,500
28%
, down 21 points this week
Reaches $85,000
55%
, down 21 points this week
Dips to $77,500
41%
, up 4 points this week
Russia x Ukraine peace talks by...?
October 31
8%
, down 10 points this week
November 30
20%
, down 21 points this week
December 31
30%
, down 28 points this week
Israeli Legislative Election Winner
Yashar
68%
, up 20 points this week
Likud
32%
, down 19 points this week
Will Anthropic’s valuation hit __ by December 31?
Reaches $2.5T
24%
, down 23 points this week
Reaches $2.0T
57%
, down 18 points this week
Reaches $1.75T
68%
, down 13 points this week
Brazil Presidential Election Second Round: Margin of Victory
Flávio Bolsonaro <4%
41%
, up 14 points this week
Flávio Bolsonaro 4-8%
31%
, down 18 points this week
Lula da Silva <4%
19%
, up 9 points this week
US-Yemen ceasefire continues through...?
October 31
93%
, up 16 points this week
November 30
80%
Prices from Polymarket, as of 18 October at 05:00 Milan time, refreshed every ten minutes. Each figure is the market's price for that outcome, read as a chance: a price of $0.42 shows as 42%. Outcomes under 1% are left out. Shown for research only: not advice, and the society has no connection to Polymarket.