Win more if the outcome lands within a range

A bookmaker's middle allows you to bet on overlapping lines from different bookmakers and win both bets if the result falls within a specific range. Read more


We've just found 32 middles for your filter settings.

Of these, 23 middles offer a positive expected value.

To see middles with a positive expected value and lossless surebets-middles, please choose a plan.

Found 9 middles with Baseball and Polymarket | Add to filter | Back to my middles
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Examples with a low expected value
| ProfitBookmaker ▲▼ EventMarketOdds
-0.34%1.29 / 43.1%
-30.35% / 39.3%

Kalshi
Baseball
21/09
23:40
Detroit – Washington
MLB
Over 3.5 OT
$3,805.09
Polymarket
Baseball
21/09
23:40
Washington Nationals – Detroit Tigers
MLB
Under 8.5 OT
$1,924.00
+ 3 middles for this event
-0.44%0.79 / 55.1%
-35.81% / 28.4%

Polymarket
Baseball
22/09
02:45
Minnesota Twins – San Francisco Giants
MLB
Over 6.5 OT
$252.28
Kalshi
Baseball
22/09
02:45
San Francisco – Minnesota
MLB
Over 7.5 OT 1st team - No
$7.83
+ 3 middles for this event
-1.28%1.96 / 32.0%
-25.23% / 49.5%

Polymarket
Baseball
21/09
23:35
Toronto Blue Jays – Baltimore Orioles
MLB
AH2(+1.5) 1st half
$5.61
Kalshi
Baseball
21/09
23:35
Baltimore – Toronto
MLB
1 1st half - No
$59.00