Arena

Automated prediction rounds run twice daily at 10:00 and 22:00 UTC. Settlement checks every 4 hours.

Active Cohort
active2026-W26Jun 22 - Jun 28
12 markets7 days remaining
Manual Controls
Automation Schedule

New Rounds

10:00 & 22:00 UTC daily

Syncs markets, collects blind forecasts from 6 models on ~12 short-horizon markets

Settlement

Every 4 hours

Checks resolved markets, scores Brier + log loss

New Cohort

Monday 00:00 UTC

Opens a new weekly cohort, archives the previous week

API Cost Monitoring

Total Spent

$17.61

Budget Remaining

$82.39

Budget Used

17.6%

Cumulative API Spend
Cost by Model
Cost by Round
sgOhNTHs5/31/2026$0.3767
DJSx79NH5/31/2026$0.3715
HdFT3g695/31/2026$0.3755
o8pBdIS76/1/2026$0.3721
YQJVQ0Us6/2/2026$0.3506
TJDrNLIs6/2/2026$0.3517
GKyJ82sZ6/3/2026$0.3770
cJrdl5E46/3/2026$0.3767
VLuxccEU6/4/2026$0.3777
7wc6BD5m6/4/2026$0.3922
SzI9zStY6/5/2026$0.4010
ldEsOT9t6/5/2026$0.3930
uL_Edd7F6/6/2026$0.4046
LgmyOMOv6/6/2026$0.4092
rFwUKA-H6/7/2026$0.3950
uMaZKWNh6/7/2026$0.3997
7ql-zJXe6/8/2026$0.4093
YCRMqtsV6/8/2026$0.4090
QeV1auUH6/9/2026$0.4030
EEojE-Fi6/9/2026$0.4099
RUqWYaT26/10/2026$0.4049
QV7goVja6/10/2026$0.3935
qhPilMTR6/11/2026$0.2528
m1kdIUax6/11/2026$0.3750
8fHZQQnE6/12/2026$0.3970
NjhPrWcN6/12/2026$0.3948
Ero0lk-N6/13/2026$0.3826
zW5sEDB96/13/2026$0.4052
M1goKJ6H6/14/2026$0.3884
Ue3t-6U96/14/2026$0.4009
YKQShmXH6/15/2026$0.4025
SlKoFx2a6/15/2026$0.3961
C7kFI0CD6/16/2026$0.4085
VV6yx_VG6/16/2026$0.3948
Y4V7QN_G6/17/2026$0.3946
k8pb-xAs6/17/2026$0.4066
Izz6a1ae6/18/2026$0.4067
zTexbb0r6/18/2026$0.3988
_-TYfJ2E6/19/2026$0.3946
5s3mQumR6/19/2026$0.4341
eLAY9ugo6/20/2026$0.4020
piY0zZRp6/20/2026$0.4068
MaHLbK_Y6/21/2026$0.4014
w59NeSou6/21/2026$0.4072
P2yZarkJ6/22/2026$0.4006

Active Markets

Israel withdraws from Lebanon by July 31, 2026?
Open
YES 12cNO 89c
Vol: $61,208Ends Jul 31
US-Iran Final Nuclear Deal by July 31, 2026?
Open
YES 6cNO 95c
Vol: $60,288Ends Jul 31
Will Crude Oil (CL) hit (LOW) $70 by end of June?
Open
YES 22cNO 78c
Vol: $48,848Ends Jun 30
Will Anthropic have the best AI model at the end of June 2026?
Open
YES 93cNO 7c
Vol: $45,485Ends Jun 30
Will WTI Crude Oil (WTI) hit (LOW) $65 in June?
Open
YES 9cNO 91c
Vol: $42,364Ends Jul 1
Iran agrees to end enrichment of uranium by July 31?
Open
YES 8cNO 93c
Vol: $39,411Ends Jul 31
Will JD Vance attend the US-Iran Signing Ceremony?
Open
YES 12cNO 89c
Vol: $35,189Ends Jul 7
Israeli parliament dissolved by June 30?
Open
YES 26cNO 75c
Vol: $34,510Ends Jun 30
Will Gold (XAUUSD) hit (LOW) $4,000 in June?
Open
YES 26cNO 74c
Vol: $25,898Ends Jul 1
Will Sheikh Tamim bin Hamad Al Thani sign a U.S. x Iran deal by July 31?
Open
YES 9cNO 91c
Vol: $22,958Ends Aug 1
Israel x Iran permanent peace deal by July 31, 2026?
Open
YES 9cNO 92c
Vol: $22,918Ends Jul 31
Strait of Hormuz traffic returns to normal by end of June?
Open
YES 6cNO 95c
Vol: $606,789Ends Jun 30
Strait of Hormuz traffic returns to normal by July 15?
Open
YES 28cNO 73c
Vol: $327,899Ends Jul 15
Will there be no change in Fed interest rates after the July 2026 meeting?
Open
YES 75cNO 26c
Vol: $283,468Ends Jul 29
Strait of Hormuz traffic returns to normal by July 31?
Open
YES 44cNO 56c
Vol: $192,183Ends Jul 31
Will Bitcoin dip to $57,500 in June?
Open
YES 10cNO 90c
Vol: $132,038Ends Jul 1
Israel x Hezbollah permanent peace deal by June 30, 2026?
Open
YES 13cNO 87c
Vol: $110,174Ends Jun 30
Mojtaba Khamenei seen in public by July 31?
Open
YES 34cNO 66c
Vol: $97,321Ends Jul 31
Will 20 ships transit the Strait of Hormuz on any day by June 30, 2026?
Open
YES 93cNO 7c
Vol: $71,136Ends Jun 30
Will Claude Fable 5 be restored for US customers by July 1?
Open
YES 47cNO 54c
Vol: $67,642Ends Jul 1
Starmer out by June 30, 2026?
Resolved
YES 90cNO 11c
Vol: $445,517Ends Jun 30
Will the Fed increase interest rates by 25 bps after the July 2026 meeting?
Open
YES 17cNO 83c
Vol: $108,388Ends Jul 29
Israel x Hezbollah permanent peace deal by July 31, 2026?
Open
YES 27cNO 74c
Vol: $90,557Ends Jul 31
Will Elon Musk post 160-179 tweets from June 16 to June 23, 2026?
Open
YES 10cNO 91c
Vol: $61,853Ends Jun 23
Will WTI Crude Oil (WTI) hit (HIGH) $95 in June?
Open
YES 8cNO 92c
Vol: $48,188Ends Jul 1
Will Steve Witkoff sign a U.S. x Iran deal by July 31?
Open
YES 7cNO 94c
Vol: $45,990Ends Aug 1
Will Adriano Espaillat be the Democratic Nominee for NY-13?
Open
YES 62cNO 39c
Vol: $29,935Ends Jun 23
Trump renames ICE to NICE by June 30?
Open
YES 16cNO 84c
Vol: $29,957Ends Jun 30
SpaceX IPO: Closing Price Up/Down End of First Month?
Open
YES 91cNO 10c
Vol: $25,630Ends Jul 1
Will Bitcoin dip to $62,000 June 15-21?
Open
YES 6cNO 95c
Vol: $72,248Ends Jun 22
Will Bitcoin reach $67,500 in June?
Open
YES 32cNO 69c
Vol: $61,064Ends Jul 1
Will "Toy Story 5" Opening Weekend Box Office be between 145m and 158m?
Open
YES 24cNO 76c
Vol: $40,850Ends Jun 22
Will Russia enter Borova by June 30?
Open
YES 5cNO 95c
Vol: $38,891Ends Jun 30
Will J.D. Vance attend the next US x Iran diplomatic meeting?
Open
YES 94cNO 6c
Vol: $89,643Ends Jun 30
Will Trump agree to Iranian enrichment of uranium by June 30?
Open
YES 5cNO 95c
Vol: $80,425Ends Jun 30
Will Bitcoin reach $70,000 in June?
Open
YES 9cNO 92c
Vol: $64,228Ends Jul 1
Kharg Island no longer under Iranian control by August 31?
Open
YES 5cNO 95c
Vol: $51,296Ends Jun 30
Will Micah Lasher be the democratic nominee for NY-12?
Open
YES 57cNO 43c
Vol: $42,418Ends Jun 23
Israel x Iran permanent peace deal by June 30, 2026?
Open
YES 5cNO 95c
Vol: $168,145Ends Jun 30
Will 80 ships transit the Strait of Hormuz on any day by June 30, 2026?
Open
YES 8cNO 92c
Vol: $145,497Ends Jun 30
Will Bitcoin dip to $52,500 in June?
Open
YES 6cNO 94c
Vol: $126,038Ends Jul 1
Will JD Vance have a diplomatic meeting with Iran by June 30, 2026?
Open
YES 36cNO 64c
Vol: $34,199Ends Jun 30
Mojtaba Khamenei seen in public by June 30?
Open
YES 7cNO 94c
Vol: $33,762Ends Jun 30
US x Iran diplomatic meeting by June 21, 2026?
Resolved
YES 7cNO 93c
Vol: $393,684Ends Jun 21
Will Ivan Cepeda Castro win the 2026 Colombian presidential election?
Open
YES 12cNO 89c
Vol: $275,572Ends Jun 21
Iran agrees to end enrichment of uranium by June 30?
Open
YES 54cNO 47c
Vol: $1,898,184Ends Jun 30
Will WTI Crude Oil (WTI) hit (HIGH) $100 in June?
Open
YES 5cNO 95c
Vol: $234,157Ends Jul 1
Will Trump agree to Iranian transit fees in the Strait of Hormuz by June 30?
Open
YES 10cNO 90c
Vol: $230,522Ends Jun 30
Will Bitcoin dip to $60,000 June 15-21?
Open
YES 20cNO 80c
Vol: $64,821Ends Jun 22
Will SpaceX's valuation hit (HIGH) $3.0T by June 30?
Open
YES 11cNO 89c
Vol: $56,583Ends Jul 1
Iran agrees to unrestricted shipping through Hormuz by June 30?
Open
YES 8cNO 93c
Vol: $122,641Ends Jun 30
Will Ethereum reach $2,100 in June?
Open
YES 5cNO 95c
Vol: $80,825Ends Jul 1
Will Trump agree to withdraw troops from the Iranian region by June 30?
Resolved
YES 88cNO 12c
Vol: $551,681Ends Jun 30
Will Elon Musk post 220-239 tweets from June 12 to June 19, 2026?
Open
YES 8cNO 92c
Vol: $93,312Ends Jun 19
Will Abelardo de la Espriella win the 2026 Colombian presidential election?
Open
YES 89cNO 12c
Vol: $86,647Ends Jun 21
Will Iran close its airspace by June 30?
Resolved
YES 90cNO 10c
Vol: $660,500Ends Jul 1
US x Iran diplomatic meeting by June 19, 2026?
Resolved
YES 82cNO 18c
Vol: $331,116Ends Jun 19
Will Trump physically sign US x Iran deal?
Open
YES 64cNO 36c
Vol: $131,297Ends Jul 31
Will the text of the US-Iran agreement be released by June 19?
Open
YES 89cNO 11c
Vol: $67,121Ends Jun 20
Will the text of the US-Iran agreement be released by June 16?
Open
YES 19cNO 82c
Vol: $117,742Ends Jun 18
Will NVIDIA be the largest company in the world by market cap on June 30?
Open
YES 95cNO 5c
Vol: $97,442Ends Jun 30
Will Andy Burnham win the 2026 Makerfield by-election?
Open
YES 81cNO 20c
Vol: $65,192Ends Jun 18
Israel withdraws from Lebanon by June 30, 2026?
Open
YES 7cNO 94c
Vol: $214,818Ends Jun 30
Will Bitcoin reach $75,000 in June?
Open
YES 9cNO 92c
Vol: $121,100Ends Jul 1
Trump announces US x Iran ceasefire over by June 30?
Open
YES 5cNO 95c
Vol: $92,499Ends Jul 1
Will SpaceX's valuation hit (HIGH) $3.5T by June 30?
Open
YES 16cNO 84c
Vol: $59,031Ends Jul 1
Iran agrees to surrender enriched uranium stockpile by June 30, 2026?
Open
YES 6cNO 94c
Vol: $194,176Ends Jun 30
Will Google have the best AI model at the end of June 2026?
Open
YES 6cNO 95c
Vol: $43,371Ends Jun 30
Will Bitcoin dip to $55,000 in June?
Open
YES 7cNO 93c
Vol: $161,124Ends Jul 1
Will the United Kingdom send warships through the Strait of Hormuz by June 30, 2026?
Open
YES 23cNO 77c
Vol: $119,484Ends Jun 30
Will Iran close its airspace by July 15?
Open
YES 14cNO 86c
Vol: $116,073Ends Jul 16
Will Donald Trump publicly insult Benjamin Netanyahu by June 30, 2026?
Open
YES 57cNO 43c
Vol: $47,581Ends Jun 30
Will WTI Crude Oil (WTI) hit (LOW) $75 in June?
Open
YES 54cNO 47c
Vol: $43,158Ends Jul 1
Will Robert Kenyon win the 2026 Makerfield by-election?
Resolved
YES 25cNO 76c
Vol: $161,414Ends Jun 18
US and Iran sign an agreement by June 30, 2026?
Open
YES 86cNO 14c
Vol: $64,579Ends Jul 1
US-Iran nuclear deal by June 30?
Resolved
YES 80cNO 21c
Vol: $723,306Ends Jun 30
Will Elon Musk post 140-159 tweets from June 9 to June 16, 2026?
Open
YES 7cNO 93c
Vol: $132,645Ends Jun 16
US and Iran sign an agreement by June 15, 2026?
Open
YES 51cNO 49c
Vol: $77,874Ends Jun 16
Will Claude Fable 5 be restored for US customers by June 15?
Open
YES 17cNO 84c
Vol: $53,177Ends Jun 16
Congress passes Iran war powers resolution by June 30?
Open
YES 8cNO 92c
Vol: $46,084Ends Jun 30
Will Donald Trump announce that the United States blockade of the Strait of Hormuz has been lifted by June 30, 2026?
Resolved
YES 74cNO 27c
Vol: $364,699Ends Jun 30
US announces new Iran agreement/ceasefire extension by June 30?
Resolved
YES 83cNO 18c
Vol: $358,638Ends Jun 30
Will Russia capture all of Kupiansk by June 30?
Open
YES 6cNO 94c
Vol: $197,523Ends Jun 30
Will Elon Musk post 160-179 tweets from June 9 to June 16, 2026?
Open
YES 22cNO 78c
Vol: $48,740Ends Jun 16
Will Hamas agree to disarm by June 30?
Open
YES 8cNO 92c
Vol: $44,146Ends Jun 30
Will Bitcoin reach $66,000 June 8-14?
Open
YES 20cNO 81c
Vol: $33,964Ends Jun 15
US x Iran permanent peace deal by June 15, 2026?
Resolved
YES 27cNO 73c
Vol: $6,020,818Ends Jun 15
Will Bitcoin reach $65,000 in June?
Open
YES 82cNO 19c
Vol: $144,119Ends Jul 1
Will Elon Musk post 180-199 tweets from June 9 to June 16, 2026?
Open
YES 17cNO 84c
Vol: $48,723Ends Jun 16
Will WTI Crude Oil (WTI) hit (LOW) $70 in June?
Open
YES 18cNO 83c
Vol: $38,825Ends Jul 1
Will Trump agree to unfreeze Iranian assets by June 30?
Open
YES 50cNO 50c
Vol: $92,532Ends Jun 30
Will Crude Oil (CL) hit (HIGH) $110 by end of June?
Open
YES 9cNO 92c
Vol: $51,393Ends Jun 30
Trump declassifies new UFO files by June 15?
Open
YES 45cNO 56c
Vol: $46,137Ends Jun 30
Trump announces US x Iran ceasefire over by June 15?
Resolved
YES 6cNO 95c
Vol: $179,710Ends Jun 16
Will Iran close its airspace by June 12?
Open
YES 8cNO 93c
Vol: $81,697Ends Jun 13
Will Crude Oil (CL) hit (HIGH) $105 by end of June?
Open
YES 18cNO 83c
Vol: $70,858Ends Jun 30
Israel strike on Yemen by June 30, 2026?
Open
YES 14cNO 86c
Vol: $41,263Ends Jun 30
Trump announces US x Iran ceasefire over by June 12?
Resolved
YES 7cNO 93c
Vol: $539,742Ends Jun 13
Will any other model be the best AI model on June 13, 2026?
Open
YES 24cNO 76c
Vol: $39,402Ends Jun 13
Will Iran close its airspace by June 13?
Open
YES 33cNO 68c
Vol: $37,170Ends Jun 14