Will Anthropic have the best Code Arena | WebDev AI at the end of September 2026?

Tick: 0.01
Min order: 5
Fees: 0.04 · 100 @ 0.50 = $1.00 · takers only
Ends: 2026-10-01
Resolves by: https://arena.ai/leaderboard/code/webdev
Rewards: 20 min size · 4.5¢ max spread

Price history

charttable

Yes. Currently 0.19. up 0.04 over the period, from 0.15. Range 0.12 to 0.34. 169 points.

Order book

Not connected

Yes

Live

Yes asks — sell orders. Worst price first; the best ask is the last row, nearest the spread.
Price	Size	Total
0.20	787	787
0.21	900	1,687
0.22	530	2,217
0.23	364	2,581
0.24	1,267	3,848
0.25	2,095	5,943
0.26	110	6,053
0.27	45	6,098
0.28	40	6,138
0.29	316	6,454
0.30	45	6,499
0.32	110	6,609

Spread0.02Mid0.19

Yes bids — buy orders. Best bid first, nearest the spread.
Price	Size	Total
0.18	1,428	1,428
0.17	746	2,174
0.16	139	2,313
0.15	158	2,471
0.11	483	2,953
0.10	2,145	5,098
0.09	226	5,324
0.08	543	5,867
0.07	823	6,691
0.06	1,444	8,135
0.05	1,254	9,389
0.04	125	9,514

No

Live

No asks — sell orders. Worst price first; the best ask is the last row, nearest the spread.
Price	Size	Total
0.82	1,428	1,428
0.83	746	2,174
0.84	139	2,313
0.85	158	2,471
0.89	483	2,953
0.90	2,145	5,098
0.91	226	5,324
0.92	543	5,867
0.93	823	6,691
0.94	1,444	8,135
0.95	1,254	9,389
0.96	125	9,514

Spread0.02Mid0.81

No bids — buy orders. Best bid first, nearest the spread.
Price	Size	Total
0.80	787	787
0.79	900	1,687
0.78	530	2,217
0.77	364	2,581
0.76	1,267	3,848
0.75	2,095	5,943
0.74	110	6,053
0.73	45	6,098
0.72	40	6,138
0.71	316	6,454
0.70	45	6,499
0.68	110	6,609

Top holders

Largest holders, grouped by outcome then position size. Up to 20 per outcome, measured in shares.
Holder	Outcome	Shares
Stupendous-Innerstate	Yes	3,414.48
JAMJAMJAM4	Yes	1,020
totti82	Yes	802.4
caspar1248	Yes	660.15
Ruanb	Yes	619.36
SingletonFamilyFund	Yes	616.16
nicknigelloki	Yes	600
rewardbots	Yes	477.03
Hyp3rion	Yes	404.18
101456	Yes	378.37
Tomchik021956	Yes	291.38
gambler925	Yes	289.99
AnonymousElephant69	Yes	278
robert-mukhametov	Yes	269.6
FredericChopin	Yes	186.29
dgfd76	Yes	164.96
fasolon	Yes	160
Mithrandir.	Yes	153.88
lisa67	Yes	152
molodoyy	Yes	140.37

Recent trades

Most recent trades on this market, newest first.
Time	Side	Outcome	Price	Size	Value
17:55:06	BUY	Yes	0.2	50	$10.00
15:22:15	SELL	Yes	0.16	49	$7.86
15:21:31	SELL	No	0.8	0	$0.03
15:21:30	SELL	Yes	0.16	6	$0.96
15:21:24	SELL	Yes	0.19	11	$2.03
15:21:12	SELL	Yes	0.22	0	$0.02
15:21:10	BUY	No	0.78	49	$38.22
15:21:09	BUY	Yes	0.2299999981	11	$2.45
15:21:07	SELL	Yes	0.1936939732	1,193	$230.98
14:43:55	SELL	Yes	0.21	127	$26.60
11:35:48	BUY	No	0.78	10	$7.80
11:35:48	BUY	No	0.78	33	$25.55
08:53:16	SELL	Yes	0.22	24	$5.31
07:51:39	BUY	Yes	0.24	6	$1.43
07:51:37	BUY	No	0.79	13	$10.27
07:51:37	SELL	Yes	0.21	91	$19.08
07:51:36	BUY	Yes	0.24	12	$2.85
07:51:36	BUY	Yes	0.25	9	$2.35
07:51:36	BUY	No	0.76	130	$98.80
07:51:34	BUY	No	0.76	120	$91.20
07:51:34	BUY	No	0.76	115	$87.40
07:51:33	BUY	No	0.76	152	$115.39
06:43:31	BUY	Yes	0.25	8	$2.00
05:32:28	BUY	Yes	0.25	83	$20.83
05:32:22	BUY	Yes	0.25	12	$2.98