Arb opportunity: Casper Ruud
Board: Will Casper Ruud win the French Open?
Route: Buy YES on Polymarket / Buy NO on Kalshi
Current net: $25.06
Peak net (tracked 271m): $41.68 at 2026-05-25 17:14
ROI: 2.04%
Capital: $1227.76
Size: 1253
Per contract: gross 2.00c / fees 0.00c / net 2.00c
Open: https://arblense.com/arbs?card=175bf8778b35&open=1
Board: Will Casper Ruud win the French Open?
Route: Buy YES on Polymarket / Buy NO on Kalshi
Current net: $25.06
Peak net (tracked 271m): $41.68 at 2026-05-25 17:14
ROI: 2.04%
Capital: $1227.76
Size: 1253
Per contract: gross 2.00c / fees 0.00c / net 2.00c
Open: https://arblense.com/arbs?card=175bf8778b35&open=1
Arblense
Arblense is a live cross-venue arbitrage scanner for Kalshi and Polymarket, built to make the same market readable across both venues.
Arb opportunity: Elina Svitolina
Board: Will Elina Svitolina win the French Open?
Route: Buy YES on Polymarket / Buy NO on Kalshi
Current net: $0.02
Peak net (tracked 425m): $32.64 at 2026-05-25 18:39
ROI: 1.52%
Capital: $0.98
Size: 1
Per contract: gross 1.50c / fees 0.00c / net 1.50c
Open: https://arblense.com/arbs?card=5613ee240d28&open=1
Board: Will Elina Svitolina win the French Open?
Route: Buy YES on Polymarket / Buy NO on Kalshi
Current net: $0.02
Peak net (tracked 425m): $32.64 at 2026-05-25 18:39
ROI: 1.52%
Capital: $0.98
Size: 1
Per contract: gross 1.50c / fees 0.00c / net 1.50c
Open: https://arblense.com/arbs?card=5613ee240d28&open=1
Arblense
Arblense is a live cross-venue arbitrage scanner for Kalshi and Polymarket, built to make the same market readable across both venues.
Arb opportunity: Elina Svitolina
Board: Will Elina Svitolina win the French Open?
Route: Buy YES on Polymarket / Buy NO on Kalshi
Current net: $34.82
Peak net (tracked 470m): $34.82 at 2026-05-25 19:25
ROI: 1.63%
Capital: $2141.19
Size: 2176
Per contract: gross 1.60c / fees 0.00c / net 1.60c
Open: https://arblense.com/arbs?card=5613ee240d28&open=1
Board: Will Elina Svitolina win the French Open?
Route: Buy YES on Polymarket / Buy NO on Kalshi
Current net: $34.82
Peak net (tracked 470m): $34.82 at 2026-05-25 19:25
ROI: 1.63%
Capital: $2141.19
Size: 2176
Per contract: gross 1.60c / fees 0.00c / net 1.60c
Open: https://arblense.com/arbs?card=5613ee240d28&open=1
Arblense
Arblense is a live cross-venue arbitrage scanner for Kalshi and Polymarket, built to make the same market readable across both venues.
Market move: Oh Se-hoon
Board: Seoul Mayor Election Winner 2026
Venue: opinion
Window: 1h
Mid move: +3.40c
Current mid: 18.15c
Open: https://arblense.com/arbs?market=557b62d71b25&open=1
Board: Seoul Mayor Election Winner 2026
Venue: opinion
Window: 1h
Mid move: +3.40c
Current mid: 18.15c
Open: https://arblense.com/arbs?market=557b62d71b25&open=1
Arblense
Arblense is a live cross-venue arbitrage scanner for Kalshi and Polymarket, built to make the same market readable across both venues.
Arb opportunity: Naftali Bennett
Board: Israel Prime Minister Election 2045
Route: Buy YES on Polymarket / Buy NO on Kalshi
Current net: $18.18
Peak net (tracked 1m): $18.18 at 2026-05-25 21:59
ROI: 9.89%
Capital: $183.82
Size: 202
Per contract: gross 9.00c / fees 0.00c / net 9.00c
Open: https://arblense.com/arbs?card=fa16faf0669f&open=1
Board: Israel Prime Minister Election 2045
Route: Buy YES on Polymarket / Buy NO on Kalshi
Current net: $18.18
Peak net (tracked 1m): $18.18 at 2026-05-25 21:59
ROI: 9.89%
Capital: $183.82
Size: 202
Per contract: gross 9.00c / fees 0.00c / net 9.00c
Open: https://arblense.com/arbs?card=fa16faf0669f&open=1
Arblense
Arblense is a live cross-venue arbitrage scanner for Kalshi and Polymarket, built to make the same market readable across both venues.
Arb opportunity: Colorado Avalanche
Board: NHL Stanley Cup Champion 2026
Route: Buy YES on Kalshi / Buy NO on Opinion
Current net: $15.46
Peak net (tracked 1m): $15.46 at 2026-05-25 21:59
ROI: 18.76%
Capital: $82.41
Size: 98
Per contract: gross 15.80c / fees 0.00c / net 15.80c
Open: https://arblense.com/arbs?card=a7d412efb75b&open=1
Board: NHL Stanley Cup Champion 2026
Route: Buy YES on Kalshi / Buy NO on Opinion
Current net: $15.46
Peak net (tracked 1m): $15.46 at 2026-05-25 21:59
ROI: 18.76%
Capital: $82.41
Size: 98
Per contract: gross 15.80c / fees 0.00c / net 15.80c
Open: https://arblense.com/arbs?card=a7d412efb75b&open=1
Arblense
Arblense is a live cross-venue arbitrage scanner for Kalshi and Polymarket, built to make the same market readable across both venues.
Arb opportunity: Marco Rubio
Board: 2028 Republican presidential nominee
Route: Buy YES on Polymarket / Buy NO on Kalshi
Current net: $34.12
Peak net (tracked 1m): $34.12 at 2026-05-25 22:13
ROI: 3.63%
Capital: $940.79
Size: 975
Per contract: gross 3.50c / fees 0.00c / net 3.50c
Open: https://arblense.com/arbs?card=80bc3cc441e7&open=1
Board: 2028 Republican presidential nominee
Route: Buy YES on Polymarket / Buy NO on Kalshi
Current net: $34.12
Peak net (tracked 1m): $34.12 at 2026-05-25 22:13
ROI: 3.63%
Capital: $940.79
Size: 975
Per contract: gross 3.50c / fees 0.00c / net 3.50c
Open: https://arblense.com/arbs?card=80bc3cc441e7&open=1
Arblense
Arblense is a live cross-venue arbitrage scanner for Kalshi and Polymarket, built to make the same market readable across both venues.
Arb opportunity: Marco Rubio
Board: 2028 Republican presidential nominee
Route: Buy YES on Polymarket / Buy NO on Kalshi
Current net: $34.12
Peak net (tracked 1m): $34.12 at 2026-05-25 22:13
ROI: 3.63%
Capital: $940.79
Size: 975
Per contract: gross 3.50c / fees 0.00c / net 3.50c
Open: https://arblense.com/arbs?card=80bc3cc441e7&open=1
Board: 2028 Republican presidential nominee
Route: Buy YES on Polymarket / Buy NO on Kalshi
Current net: $34.12
Peak net (tracked 1m): $34.12 at 2026-05-25 22:13
ROI: 3.63%
Capital: $940.79
Size: 975
Per contract: gross 3.50c / fees 0.00c / net 3.50c
Open: https://arblense.com/arbs?card=80bc3cc441e7&open=1
Arblense
Arblense is a live cross-venue arbitrage scanner for Kalshi and Polymarket, built to make the same market readable across both venues.
Arb opportunity: Donald Trump Jr
Board: 2028 Republican presidential nominee
Route: Buy YES on Polymarket / Buy NO on Kalshi
Current net: $11.36
Peak net (tracked 1m): $11.36 at 2026-05-25 22:13
ROI: 1.94%
Capital: $586.64
Size: 598
Per contract: gross 1.90c / fees 0.00c / net 1.90c
Open: https://arblense.com/arbs?card=0570c5f3594f&open=1
Board: 2028 Republican presidential nominee
Route: Buy YES on Polymarket / Buy NO on Kalshi
Current net: $11.36
Peak net (tracked 1m): $11.36 at 2026-05-25 22:13
ROI: 1.94%
Capital: $586.64
Size: 598
Per contract: gross 1.90c / fees 0.00c / net 1.90c
Open: https://arblense.com/arbs?card=0570c5f3594f&open=1
Arblense
Arblense is a live cross-venue arbitrage scanner for Kalshi and Polymarket, built to make the same market readable across both venues.
Arb opportunity: Naftali Bennett
Board: Israel Prime Minister Election 2045
Route: Buy YES on Polymarket / Buy NO on Kalshi
Current net: $22.00
Peak net (tracked 51m): $22.00 at 2026-05-25 23:13
ROI: 12.36%
Capital: $178.00
Size: 200
Per contract: gross 11.00c / fees 0.00c / net 11.00c
Open: https://arblense.com/arbs?card=fa16faf0669f&open=1
Board: Israel Prime Minister Election 2045
Route: Buy YES on Polymarket / Buy NO on Kalshi
Current net: $22.00
Peak net (tracked 51m): $22.00 at 2026-05-25 23:13
ROI: 12.36%
Capital: $178.00
Size: 200
Per contract: gross 11.00c / fees 0.00c / net 11.00c
Open: https://arblense.com/arbs?card=fa16faf0669f&open=1
Arblense
Arblense is a live cross-venue arbitrage scanner for Kalshi and Polymarket, built to make the same market readable across both venues.
Arb opportunity: Naftali Bennett
Board: Israel Prime Minister Election 2045
Route: Buy YES on Polymarket / Buy NO on Kalshi
Current net: $22.00
Peak net (tracked 98m): $22.00 at 2026-05-26 00:00
ROI: 12.36%
Capital: $178.00
Size: 200
Per contract: gross 11.00c / fees 0.00c / net 11.00c
Open: https://arblense.com/arbs?card=fa16faf0669f&open=1
Board: Israel Prime Minister Election 2045
Route: Buy YES on Polymarket / Buy NO on Kalshi
Current net: $22.00
Peak net (tracked 98m): $22.00 at 2026-05-26 00:00
ROI: 12.36%
Capital: $178.00
Size: 200
Per contract: gross 11.00c / fees 0.00c / net 11.00c
Open: https://arblense.com/arbs?card=fa16faf0669f&open=1
Arblense
Arblense is a live cross-venue arbitrage scanner for Kalshi and Polymarket, built to make the same market readable across both venues.
Arb opportunity: Marco Rubio
Board: 2028 Republican presidential nominee
Route: Buy YES on Polymarket / Buy NO on Kalshi
Current net: $373.63
Peak net (tracked 99m): $373.63 at 2026-05-26 00:01
ROI: 3.63%
Capital: $10301.38
Size: 10675
Per contract: gross 3.50c / fees 0.00c / net 3.50c
Open: https://arblense.com/arbs?card=80bc3cc441e7&open=1
Board: 2028 Republican presidential nominee
Route: Buy YES on Polymarket / Buy NO on Kalshi
Current net: $373.63
Peak net (tracked 99m): $373.63 at 2026-05-26 00:01
ROI: 3.63%
Capital: $10301.38
Size: 10675
Per contract: gross 3.50c / fees 0.00c / net 3.50c
Open: https://arblense.com/arbs?card=80bc3cc441e7&open=1
Arblense
Arblense is a live cross-venue arbitrage scanner for Kalshi and Polymarket, built to make the same market readable across both venues.
Arb opportunity: Donald Trump Jr
Board: 2028 Republican presidential nominee
Route: Buy YES on Polymarket / Buy NO on Kalshi
Current net: $11.38
Peak net (tracked 101m): $11.38 at 2026-05-26 00:03
ROI: 1.94%
Capital: $587.62
Size: 599
Per contract: gross 1.90c / fees 0.00c / net 1.90c
Open: https://arblense.com/arbs?card=0570c5f3594f&open=1
Board: 2028 Republican presidential nominee
Route: Buy YES on Polymarket / Buy NO on Kalshi
Current net: $11.38
Peak net (tracked 101m): $11.38 at 2026-05-26 00:03
ROI: 1.94%
Capital: $587.62
Size: 599
Per contract: gross 1.90c / fees 0.00c / net 1.90c
Open: https://arblense.com/arbs?card=0570c5f3594f&open=1
Arblense
Arblense is a live cross-venue arbitrage scanner for Kalshi and Polymarket, built to make the same market readable across both venues.
Arb opportunity: Marco Rubio
Board: 2028 Republican presidential nominee
Route: Buy YES on Polymarket / Buy NO on Kalshi
Current net: $2.42
Peak net (tracked 113m): $296.74 at 2026-05-25 22:29
ROI: 3.63%
Capital: $66.66
Size: 69
Per contract: gross 3.50c / fees 0.00c / net 3.50c
Open: https://arblense.com/arbs?card=80bc3cc441e7&open=1
Board: 2028 Republican presidential nominee
Route: Buy YES on Polymarket / Buy NO on Kalshi
Current net: $2.42
Peak net (tracked 113m): $296.74 at 2026-05-25 22:29
ROI: 3.63%
Capital: $66.66
Size: 69
Per contract: gross 3.50c / fees 0.00c / net 3.50c
Open: https://arblense.com/arbs?card=80bc3cc441e7&open=1
Arblense
Arblense is a live cross-venue arbitrage scanner for Kalshi and Polymarket, built to make the same market readable across both venues.
Arb opportunity: Naftali Bennett
Board: Israel Prime Minister Election 2045
Route: Buy YES on Polymarket / Buy NO on Kalshi
Current net: $0.11
Peak net (tracked 171m): $22.00 at 2026-05-26 01:12
ROI: 12.36%
Capital: $0.89
Size: 1
Per contract: gross 11.00c / fees 0.00c / net 11.00c
Open: https://arblense.com/arbs?card=fa16faf0669f&open=1
Board: Israel Prime Minister Election 2045
Route: Buy YES on Polymarket / Buy NO on Kalshi
Current net: $0.11
Peak net (tracked 171m): $22.00 at 2026-05-26 01:12
ROI: 12.36%
Capital: $0.89
Size: 1
Per contract: gross 11.00c / fees 0.00c / net 11.00c
Open: https://arblense.com/arbs?card=fa16faf0669f&open=1
Arblense
Arblense is a live cross-venue arbitrage scanner for Kalshi and Polymarket, built to make the same market readable across both venues.
Arb opportunity: Donald Trump Jr
Board: 2028 Republican presidential nominee
Route: Buy YES on Polymarket / Buy NO on Kalshi
Current net: $0.02
Peak net (tracked 179m): $26.58 at 2026-05-26 01:21
ROI: 1.94%
Capital: $0.98
Size: 1
Per contract: gross 1.90c / fees 0.00c / net 1.90c
Open: https://arblense.com/arbs?card=0570c5f3594f&open=1
Board: 2028 Republican presidential nominee
Route: Buy YES on Polymarket / Buy NO on Kalshi
Current net: $0.02
Peak net (tracked 179m): $26.58 at 2026-05-26 01:21
ROI: 1.94%
Capital: $0.98
Size: 1
Per contract: gross 1.90c / fees 0.00c / net 1.90c
Open: https://arblense.com/arbs?card=0570c5f3594f&open=1
Arblense
Arblense is a live cross-venue arbitrage scanner for Kalshi and Polymarket, built to make the same market readable across both venues.
Arb opportunity: Colorado Avalanche
Board: NHL Stanley Cup Champion 2026
Route: Buy YES on Kalshi / Buy NO on Opinion
Current net: $15.46
Peak net (tracked 44m): $15.46 at 2026-05-26 01:21
ROI: 18.76%
Capital: $82.41
Size: 98
Per contract: gross 15.80c / fees 0.00c / net 15.80c
Open: https://arblense.com/arbs?card=a7d412efb75b&open=1
Board: NHL Stanley Cup Champion 2026
Route: Buy YES on Kalshi / Buy NO on Opinion
Current net: $15.46
Peak net (tracked 44m): $15.46 at 2026-05-26 01:21
ROI: 18.76%
Capital: $82.41
Size: 98
Per contract: gross 15.80c / fees 0.00c / net 15.80c
Open: https://arblense.com/arbs?card=a7d412efb75b&open=1
Arblense
Arblense is a live cross-venue arbitrage scanner for Kalshi and Polymarket, built to make the same market readable across both venues.
ArbLense Market Desk - 24h Cross-Venue Brief
Window: May 24 20:00-May 25 20:00 PT
Best dislocations
1. NHL Stanley Cup Champion 2026
Colorado Avalanche
Peak net: +15.8c
Route: Kalshi YES / Opinion NO
Open
2. Texas Republican Senate Primary Winner
John Cornyn
Peak net: +12.2c
Route: Polymarket YES / Opinion NO
Open
3. Israel Prime Minister Election 2045
Naftali Bennett
Peak net: +11.0c
Route: Polymarket YES / Kalshi NO
Open
Desk note: The cleanest signal came from cross-venue pricing dislocations.
Verify live depth before routing; spreads can move quickly.
Window: May 24 20:00-May 25 20:00 PT
Best dislocations
1. NHL Stanley Cup Champion 2026
Colorado Avalanche
Peak net: +15.8c
Route: Kalshi YES / Opinion NO
Open
2. Texas Republican Senate Primary Winner
John Cornyn
Peak net: +12.2c
Route: Polymarket YES / Opinion NO
Open
3. Israel Prime Minister Election 2045
Naftali Bennett
Peak net: +11.0c
Route: Polymarket YES / Kalshi NO
Open
Desk note: The cleanest signal came from cross-venue pricing dislocations.
Verify live depth before routing; spreads can move quickly.
Arb opportunity: Above $99,999.99
Board: What price will Bitcoin hit in 2026?
Route: Buy YES on Polymarket / Buy NO on Kalshi
Current net: $50.61
Peak net (tracked 248m): $50.61 at 2026-05-26 03:29
ROI: 2.04%
Capital: $2479.72
Size: 2530
Per contract: gross 2.00c / fees 0.00c / net 2.00c
Open: https://arblense.com/arbs?card=b6f09e04b518&open=1
Board: What price will Bitcoin hit in 2026?
Route: Buy YES on Polymarket / Buy NO on Kalshi
Current net: $50.61
Peak net (tracked 248m): $50.61 at 2026-05-26 03:29
ROI: 2.04%
Capital: $2479.72
Size: 2530
Per contract: gross 2.00c / fees 0.00c / net 2.00c
Open: https://arblense.com/arbs?card=b6f09e04b518&open=1
Arblense
Arblense is a live cross-venue arbitrage scanner for Kalshi and Polymarket, built to make the same market readable across both venues.
Arb opportunity: Above $99,999.99
Board: What price will Bitcoin hit in 2026?
Route: Buy YES on Polymarket / Buy NO on Kalshi
Current net: $50.61
Peak net (tracked 248m): $50.61 at 2026-05-26 03:29
ROI: 2.04%
Capital: $2479.72
Size: 2530
Per contract: gross 2.00c / fees 0.00c / net 2.00c
Open: https://arblense.com/arbs?card=b6f09e04b518&open=1
Board: What price will Bitcoin hit in 2026?
Route: Buy YES on Polymarket / Buy NO on Kalshi
Current net: $50.61
Peak net (tracked 248m): $50.61 at 2026-05-26 03:29
ROI: 2.04%
Capital: $2479.72
Size: 2530
Per contract: gross 2.00c / fees 0.00c / net 2.00c
Open: https://arblense.com/arbs?card=b6f09e04b518&open=1
Arblense
Arblense is a live cross-venue arbitrage scanner for Kalshi and Polymarket, built to make the same market readable across both venues.