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OpenAI vs. Anthropic: First to another Millennium Prize Solution?

Tick
0.01
Min order
5
Fees
0.04 · 100 @ 0.50 = $1.00 · takers only
Ends
2028-01-01
Rewards
20 min size · 4.5¢ max spread

Price history

Price history view
OpenAI. Currently 0.77. up 0.27 over the period, from 0.50. Range 0.41 to 0.78. 151 points.

Order book

Not connected

OpenAI

Live
OpenAI asks — sell orders. Worst price first; the best ask is the last row, nearest the spread.
PriceSizeTotal
0.905656
0.912076
0.94682
0.951294
0.9620114
0.9815129
0.9930159

Spread0.26Mid0.77

OpenAI bids — buy orders. Best bid first, nearest the spread.
PriceSizeTotal
0.645757
0.6345102
0.6256159
0.6060219
0.5610229
0.50400629
0.4150679
0.4050729
0.0190819

Anthropic

Live
Anthropic asks — sell orders. Worst price first; the best ask is the last row, nearest the spread.
PriceSizeTotal
0.365757
0.3745102
0.3856159
0.4060219
0.4410229
0.50400629
0.5950679
0.6050729
0.9990819

Spread0.26Mid0.23

Anthropic bids — buy orders. Best bid first, nearest the spread.
PriceSizeTotal
0.105656
0.092076
0.06682
0.051294
0.0420114
0.0215129
0.0130159

Top holders

Largest holders, grouped by outcome then position size. Up to 20 per outcome, measured in shares.
HolderOutcomeShares
rewardbotsOpenAI393.03
molodoyyOpenAI79
42012OpenAI46.4
JesetradingOpenAI32.5
cat6767OpenAI25
0x74FD017f8E0F9Fc4D4462e6C8D01c9cE8447437OpenAI16.39
letsmakemoney-298OpenAI7.35
a5533OpenAI6
2B9SOpenAI5.41
0x45e606f7849330AdAd37875f835FBdD1B7868FCa-1775496679263OpenAI5.07
0x4629…f3b1OpenAI3.36
Welcome2026OpenAI1.56
clazzy1Anthropic200
pootytherewardfarmerAnthropic107
nzrodwmAnthropic56.4
bluesky2Anthropic50
erFiodenaAnthropic45
WINMALEAnthropic20.55
lissartterAnthropic20.27
bullbull88Anthropic20

Recent trades

Most recent trades on this market, newest first.
TimeSideOutcomePriceSizeValue
20:47:21BUYAnthropic0.359999997114$5.00
17:56:12BUYAnthropic0.36999995935$2.00
13:19:37BUYAnthropic0.369$3.34
18:19:49SELLOpenAI0.6323$14.55
19:48:31SELLAnthropic0.3612$4.45
14:15:37BUYAnthropic0.3621$7.40
12:38:19SELLAnthropic0.3220$6.40
11:01:06BUYOpenAI0.67999992387$5.00
09:26:52SELLAnthropic0.325$1.60
07:14:15SELLAnthropic0.3320$6.60
04:13:36SELLOpenAI0.6420$12.80
20:45:37SELLOpenAI0.6620$13.20
18:12:18BUYOpenAI0.66999998235$3.40
18:12:15BUYOpenAI0.642$1.00
18:12:15BUYOpenAI0.624936708979$49.37
18:07:28BUYAnthropic0.456$22.56
18:07:13BUYAnthropic0.410$4.00
18:07:13BUYOpenAI0.60999998616$10.00
14:48:58SELLAnthropic0.3720$7.40
14:06:54BUYAnthropic0.4244$18.49
14:03:42BUYOpenAI0.4937648526393$194.06
13:59:30SELLAnthropic0.5420$10.80
13:59:25SELLAnthropic0.5420$10.80
10:06:03SELLOpenAI0.4510$4.50
10:05:37SELLAnthropic0.5352$27.38