Live cross-venue aggregator
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Cross-venue prediction-market intelligence. Polymarket and Kalshi side-by-side, categorized, refreshed every minute. LLM-matched pairs surface the same market across both venues so spreads are one glance away.
Building the latest cross-venue snapshot… this page will refresh automatically in a few seconds.
Live · 5-second polling
Live Crypto Markets — 15-min up/down
7 assets, both venues, side-by-side. Probabilities update every 5 seconds from each venue's order book. Spread column highlights the gap between Polymarket and Kalshi.
Current round closes in
—
Updated 19:37:14Z
· polling…
| Asset | Polymarket | Kalshi | Spread | Open |
|---|---|---|---|---|
BTC · 15m
✓ on both venues
|
24.5%
Down 75.5%
|
23.5%
Down 76.5%
|
1.0 pp | |
ETH · 15m
✓ on both venues
|
5.5%
Down 94.5%
|
5.8%
Down 94.2%
|
0.3 pp | |
SOL · 15m
✓ on both venues
|
28.0%
Down 72.0%
|
25.0%
Down 75.0%
|
3.0 pp | |
XRP · 15m
✓ on both venues
|
22.5%
Down 77.5%
|
22.5%
Down 77.5%
|
0.0 pp | |
DOGE · 15m
✓ on both venues
|
21.5%
Down 78.5%
|
22.5%
Down 77.5%
|
1.0 pp | |
BNB · 15m
✓ on both venues
|
33.5%
Down 66.5%
|
34.0%
Down 66.0%
|
0.5 pp | |
HYPE · 15m
✓ on both venues
|
25.5%
Down 74.5%
|
25.5%
Down 74.5%
|
0.0 pp |
Polymarket: {asset}-updown-15m events · Kalshi: KX{ASSET}15M series.
Mid-price from each venue's order book (bid/ask spread). Updates every 5 seconds.
Aggregator
Prediction Market Aggregator
Side-by-side coverage of Polymarket and Kalshi. Filter by category; click any row to open the underlying market.
Arbs scan live · pools every 5 min
pools refresh in –:––
All
1371
Politics
112
Elections
518
Crypto
42
Sports
220
Finance
79
Economy
91
Technology
53
Culture
118
Weather
39
Geopolitics
44
Esports
34
Commodities
11
Mentions
8
Other
2
Loading markets…
cross-venue pairs · open markets only
Cross-venue matched markets & arbitrage
⚡ 5 arb · 5 matched
Polymarket ↔ Kalshi
Every open market on both venues is matched and scanned every minute —
the moment prices cross into an arb it posts here (buy the highlighted side on each venue; one leg
always pays $1), arbs first, then matched markets with no current edge. Mid-price implied odds, before fees.
⚡ up to 3.7¢ / share
3 arb outcomes
Elections
resolves 2028-11-07
Polymarket Republican Presidential Nominee 2028 ↗
Kalshi 2028 Republican presidential nominee ↗
OutcomePoly YESKalshi YESArbitrage
J.D. Vance
47.2¢
43.5¢
Buy NO@Poly 52.8¢ +
Buy YES@Kalshi 43.5¢
→ lock 3.7¢
Marco Rubio
19.4¢
22.5¢
Buy YES@Poly 19.4¢ +
Buy NO@Kalshi 77.5¢
→ lock 3.1¢
Ron DeSantis
2.1¢
5.0¢
Buy YES@Poly 2.1¢ +
Buy NO@Kalshi 95.0¢
→ lock 2.9¢
Tucker Carlson
2.6¢
3.6¢
— no edge
Ted Cruz
0.9¢
1.2¢
— no edge
Thomas Massie
0.7¢
1.2¢
— no edge
Ivanka Trump
0.8¢
1.1¢
— no edge
Glenn Youngkin
0.9¢
1.0¢
— no edge
⚡ up to 3.4¢ / share
2 arb outcomes
Elections
resolves 2028-11-07
Polymarket Democratic Presidential Nominee 2028 ↗
Kalshi 2028 Democratic presidential nominee ↗
OutcomePoly YESKalshi YESArbitrage
Alexandria Ocasio-Cortez
20.9¢
17.5¢
Buy NO@Poly 79.1¢ +
Buy YES@Kalshi 17.5¢
→ lock 3.4¢
Jon Ossoff
14.8¢
17.5¢
Buy YES@Poly 14.8¢ +
Buy NO@Kalshi 82.5¢
→ lock 2.7¢
Gavin Newsom
14.3¢
12.5¢
— no edge
Kamala Harris
7.4¢
8.9¢
— no edge
Pete Buttigieg
5.2¢
5.2¢
— no edge
Rahm Emanuel
2.4¢
3.6¢
— no edge
Wes Moore
1.6¢
2.6¢
— no edge
James Talarico
2.4¢
1.7¢
— no edge
Ro Khanna
2.2¢
1.8¢
— no edge
Gretchen Whitmer
0.8¢
0.9¢
— no edge
⚡ up to 2.9¢ / share
4 arb outcomes
Elections
resolves 2026-12-31
Polymarket Prime Minister of Israel after the next election? ↗
Kalshi Prime Minister of Israel after the 2026 election? ↗
OutcomePoly YESKalshi YESArbitrage
Gadi Eizenkot
54.6¢
57.5¢
Buy YES@Poly 54.6¢ +
Buy NO@Kalshi 42.5¢
→ lock 2.9¢
Avigdor Lieberman
5.1¢
7.5¢
Buy YES@Poly 5.1¢ +
Buy NO@Kalshi 92.5¢
→ lock 2.4¢
Benjamin Netanyahu
26.5¢
24.5¢
Buy NO@Poly 73.5¢ +
Buy YES@Kalshi 24.5¢
→ lock 2.0¢
Naftali Bennett
7.5¢
5.5¢
Buy NO@Poly 92.5¢ +
Buy YES@Kalshi 5.5¢
→ lock 2.0¢
Itamar Ben Gvir
0.9¢
1.0¢
— no edge
Yair Golan
0.7¢
1.0¢
— no edge
⚡ up to 2.8¢ / share
2 arb outcomes
Elections
resolves 2027-04-30
OutcomePoly YESKalshi YESArbitrage
Marine Le Pen
33.7¢
36.5¢
Buy YES@Poly 33.7¢ +
Buy NO@Kalshi 63.5¢
→ lock 2.8¢
Jordan Bardella
2.7¢
5.1¢
Buy YES@Poly 2.7¢ +
Buy NO@Kalshi 94.9¢
→ lock 2.4¢
Édouard Philippe
25.0¢
23.5¢
— no edge
Jean-Luc Mélenchon
14.5¢
14.0¢
— no edge
François Hollande
3.4¢
5.0¢
— no edge
Gabriel Attal
3.9¢
2.2¢
— no edge
Sarah Knafo
1.2¢
2.4¢
— no edge
Bruno Retailleau
2.1¢
1.9¢
— no edge
Éric Zemmour
0.8¢
1.0¢
— no edge
⚡ up to 2.5¢ / share
Sports
resolves 2027-05-30
Polymarket UEFA Champions League: 2027 Champion ↗
Kalshi Champions League Winner ↗
OutcomePoly YESKalshi YESArbitrage
Barcelona
16.5¢
19.0¢
Buy YES@Poly 16.5¢ +
Buy NO@Kalshi 81.0¢
→ lock 2.5¢
Arsenal
15.5¢
15.0¢
— no edge
Bayern Munich
13.5¢
13.5¢
— no edge
Real Madrid
12.5¢
12.5¢
— no edge
Manchester City
8.5¢
9.0¢
— no edge
Liverpool
6.5¢
5.5¢
— no edge
Manchester United
2.9¢
4.5¢
— no edge
Napoli
0.8¢
2.0¢
— no edge
Aston Villa
1.1¢
1.5¢
— no edge
Sporting CP
0.7¢
1.0¢
— no edge
No cross-venue matches in Mentions right now —
either both venues are currently covering different markets in this
category, or the matcher hasn't run since the last set resolved.
The matcher re-runs every 5 minutes; browse the per-venue columns below
to see what each venue lists.
P
Polymarket
0 of 0 events
No Polymarket markets in this category right now.
K
Kalshi
8 of 8 events
What will Nvidia say during their next earnings call?
Mentions
$66,191 24h
· 19 options
Hyperscaler
98.5%
Cosmos
78.5%
Gaming
63.5%
Humanoid
60.5%
Self Driving
59.5%
Omniverse
50.0%
TSMC
36.5%
Dividend (2+ times)
34.5%
+ 11 more on Kalshi ↗
What will Urban Outfitters say during their next earnings call?
Mentions
$34,012 24h
· 14 options
Tariff
99.0%
Refund
96.0%
IEEPA
87.5%
Back to School
87.5%
Holiday
63.5%
Headwind
62.5%
Store Opening
59.0%
International / Internationally
57.5%
+ 6 more on Kalshi ↗
What will CrowdStrike Holdings, Inc. say during their next earnings call?
Mentions
$23,532 24h
· 17 options
Falcon Flex
98.5%
Consolidation
85.5%
Mythos
81.5%
AWS
77.0%
Nvidia
74.5%
OpenAI
73.5%
Acquisition
71.5%
Tailwind
70.0%
+ 9 more on Kalshi ↗
What will Kevin Warsh say during his Jackson Hole remarks?
Mentions
$12,763 24h
· 29 options
Inflation
87.0%
Price Stability / Stable Price
83.5%
Productivity
79.5%
AI / Artificial Intelligence
76.0%
Balance Sheet
72.0%
Task Force
67.0%
Independent / Independence
66.0%
2008 / Financial Crisis
50.0%
+ 21 more on Kalshi ↗
What will Trump say this month?
Mentions
$8,933 24h
· 11 options
Gulf of America
99.5%
Newscum
24.0%
Greenland
20.5%
Peace in the Middle East
16.5%
UFO / UAP
10.5%
Antifa
9.0%
Fat shot / Ozempic
8.5%
Epstein
8.5%
+ 3 more on Kalshi ↗
What will the reporters say during ABC World News Tonight?
Mentions
$7,441 24h
· 17 options
Nepal
98.0%
Meta / Facebook / Instagram
87.5%
Canada / Canadian
67.5%
Darline Graham
60.5%
Ukraine / Ukrainian
58.0%
Trump (5+ times)
56.0%
Russia / Russian
53.0%
Montana
50.5%
+ 9 more on Kalshi ↗
What nicknames will Trump say before October?
Mentions
$2,482 24h
· 15 options
Con Job
65.5%
Whack Job / Wack Job
59.5%
Trainwreck
58.0%
Fat Slob
32.5%
Slopadopolous / Slopadopolus
30.5%
Numbskull
28.5%
Low Energy
18.5%
Piggy
15.5%
+ 7 more on Kalshi ↗
What will Constellation Brands say during their next earnings call?
Mentions
$2,297 24h
· 13 options
Mi Campo
82.5%
Especial
77.0%
Wine
76.5%
Pacifico
74.5%
Depletion / Depletions
74.0%
Inventory
67.5%
Aluminum
55.0%
Inflation
51.5%
+ 5 more on Kalshi ↗
Sources: Polymarket Gamma API (free) · Kalshi REST API (RSA-PSS signed).
Market pools, cross-venue matched pairs and the arbitrage scan all
refresh every 5 minutes; the live 15-min crypto panel updates every 5
seconds; resolved markets drop on the next page load. Page loads serve only from cache — no API calls per
visitor. LLM-verified cross-venue matching (gpt-4o-mini) included.
How it works
Built for speed, scaled for everyone
Polled venues are cached in Redis. LLM market-matching runs async on its own worker. The same data drives a paid REST + WebSocket API.
⚡
Polled + cached
Polymarket and Kalshi polled once per minute, cached in Redis.
Visitors hit cache; venues never see our traffic spikes.
WebSocket push for sub-second updates is on the roadmap.
🧠
LLM-matched markets
"BTC above $70k on Jun 30" on Polymarket = "BTC ≥ 70000 on 2026-06-30"
on Kalshi. Matching runs async on a worker and is cached — never
blocks a quote.
🛰️
REST + Data API
The same data that drives the dashboard is exposed via paid REST + WebSocket
API for traders building their own signals. Tiers scale by request rate.