Smart money holds the underdog side

Most tracked traders hold Over, while the market favors Under (73%). 2 of 3 traders hold an outcome priced under 50%.

Historically, consensus on sides priced under 40¢ lost money after costs.

FC Barcelona vs. Real Madrid CF: O/U 5.5

2 of 3 top Polymarket traders hold Over (67%) · Over at 28¢ · $2K held · ends Oct 25

Over28¢Under72¢Ends Sun, Oct 25, 2026View on Polymarket

SIGNAL

⚠️

Avoid

Over

Consensus Traders

Over 67%

2 arb excluded

Total Value

$2.0K

Combined PnL

-$2.39

Smart Money Entry

26.2¢ → 27.5¢

+5% since entry · 2 traders

Research grade

AvoidOver at 28%

Matches a pattern that lost clearly more than the trading costs in the backtests.

Consensus side under 30¢Longshots (0.05–0.30) lost −29.5 % a trade pooled (n 1,625; −22 % in spring, −35 % in October): the strongest effect in the backtests.
Spread or totalSpreads and totals: −14.5 % a trade in spring (95 % CI −27 to −1), +1.5 % in October: no edge.

Backtest of Oct 22 2026: one entry per market, held to resolution, after a 1¢ half-spread and Polymarket's taker fees. The grade never goes above “Research candidate”: no rule passed the multiple-testing check. It is not a forecast and not advice.

Smart Money Signal

Over

2 of 3 top traders (67%)Underdog side (market favors Under 73%)2 arbitrage traders dimmed2 hold an outcome priced under 50%2 small positions dimmed (<$100 invested)

Market Activity

Outcome Probabilities

Over28%

Under73%

Smart Money Breakdown by Outcome

Over2 traders

Total Value$324.87

Total Shares1,250

Combined PnL-$2.69

Under1 trader

Total Value$22.2

Total Shares30

Combined PnL+$0.3

Over — 67%Under — 33%

Trader	Position	Invested	Value	PnL	Record
SN SnakeBallARB<$100	Overavg 26.8¢	$1.3K	$1.3K	+$24.06	50% 8893-8828 (17721)
└ Over leg	Overavg 26.8¢	$719.98	$740.04	+$20.06
└ Under leg	Underavg 72¢	$582.98	$586.98	+$4
LU LuckyLooCTR	Overavg 26.1¢	$313.57	$311.87	-$1.69	50% 7794-7854 (15648)
LE LeLynxMalynxARB<$100	Overavg 26.4¢	$293.6	$301.87	+$8.27	54% 13884-11640 (25524)
└ Over leg	Overavg 26.4¢	$180.37	$187.75	+$7.38
└ Under leg	Underavg 71.9¢	$113.23	$114.12	+$0.89
Porx<$100	Underavg 73¢	$21.9	$22.2	+$0.3	66% 1429-741 (2170)
FO Forecastication2CTR<$100	Overavg 28¢	$14	$13	-$1	61% 4558-2887 (7445)

SnakeBallARB<$100

Over

Invested

$1,302.96

Value

$1.3K

PnL

+$24.06

Record

50%

8893-8828 (17721)

Both legs:

Over$719.9826.8¢+$20.06

Under$582.9872¢+$4

LuckyLooCTR

Over

Invested

$313.57

Value

$311.87

PnL

-$1.69

Record

50%

7794-7854 (15648)

LeLynxMalynxARB<$100

Over

Invested

$293.6

Value

$301.87

PnL

+$8.27

Record

54%

13884-11640 (25524)

Both legs:

Over$180.3726.4¢+$7.38

Under$113.2371.9¢+$0.89

Porx<$100

Under

Invested

$21.9

Value

$22.2

PnL

+$0.3

Record

66%

1429-741 (2170)

Forecastication2CTR<$100

Over

Invested

$14

Value

$13

PnL

-$1

Record

61%

4558-2887 (7445)

Research grade

AvoidOver at 28%

Matches a pattern that lost clearly more than the trading costs in the backtests.

Consensus side under 30¢Longshots (0.05–0.30) lost −29.5 % a trade pooled (n 1,625; −22 % in spring, −35 % in October): the strongest effect in the backtests.
Spread or totalSpreads and totals: −14.5 % a trade in spring (95 % CI −27 to −1), +1.5 % in October: no edge.

Smart Money Signal

Over

2 of 3 top traders (67%)Underdog side (market favors Under 73%)2 arbitrage traders dimmed2 hold an outcome priced under 50%2 small positions dimmed (<$100 invested)

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EV Calculator

Your estimated chance that Over wins (%)

Consensus % is how many tracked traders hold a side, not a win probability.

Stake (USDC)

Break-even chance29.5%

27.5¢ price + 1.0¢ spread + 1.0¢ fee (Sports 5%). Win more often than this and the bet pays.

Expected Value—

Expected ROIenter your estimate

Max Profit

+$238.77

Max Loss

-$100.00

338.8

A market order pays the taker fee and crosses the spread (assumed 1.0¢); a limit order pays no fee but may not fill. The fee category is a guess from the title.