Smart money holds the underdog side
Most tracked traders hold Under, while the market favors Over (69%). 3 of 6 traders hold an outcome priced under 50%.
Historically, consensus on sides priced under 40¢ lost money after costs.
FC Barcelona vs. Real Madrid CF: FC Barcelona O/U 1.5
3 of 6 top Polymarket traders hold Under (50%) · Under at 32¢ · $4K held · ended Oct 25
⚖️
Neutral
Under
6
Under 50%
1 arb excluded
$3.8K
$122.06
25¢ → 31.5¢
+26% since entry · 3 traders
Research grade
NeutralUnder at 32%
No measured edge either way. The plain consensus (5+ holders, 60 %+, held to resolution) lost −4.8 % a trade after costs (n 10,051, 95 % CI −6.5 to −3.1 %).
- Spread or totalSpreads and totals: −14.5 % a trade in spring (95 % CI −27 to −1), +1.5 % in October: no edge.
- Consensus under 60 %Every backtest started at 60 %+ of the holders; below that nothing was measured.
- Side priced 30–50¢0.30–0.50 lost −6.5 % a trade pooled (n 2,793), a little worse than the plain consensus.
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
3 of 6 top traders (50%)Underdog side (market favors Over 69%)1 arbitrage trader dimmed3 hold an outcome priced under 50%1 small position dimmed (<$100 invested)
Outcome Probabilities
Smart Money Breakdown by Outcome
| Trader | Position | Invested | Value | PnL | Record |
|---|---|---|---|---|---|
SN SnakeBallCTR | Underavg 24¢ | $1.1K | $1.2K | +$45.8 | 50% 8953-8892 (17845) |
UP UpTheBluesCTR | Underavg 26.2¢ | $1.0K | $1.1K | +$51.45 | 68% 31590-15191 (46781) |
LU LuckyLoo | Overavg 76¢ | $999.19 | $1.0K | +$12.45 | 50% 7831-7882 (15713) |
 Socialista | Overavg 76¢ | $228 | $231 | +$3 | 62% 2319-1428 (3747) |
FO Forecastication2 | Overavg 76¢ | $126.16 | $127.82 | +$1.66 | 61% 4647-2913 (7560) |
LE LeLynxMalynxARB<$100 | Overavg 73¢ | $72.18 | $73.31 | +$0.11 | 54% 13985-11704 (25689) |
| └ Over leg | Overavg 73¢ | $37.23 | $39.27 | +$1.02 | |
| └ Under leg | Underavg 23.6¢ | $34.95 | $34.04 | -$0.91 | |
 HRTradingCTR<$100 | Underavg 24.3¢ | $58.64 | $66.35 | +$7.71 | 57% 1670-1266 (2936) |
Invested
$1,108.89
Value
$1.2K
PnL
+$45.8
Record
50%
8953-8892 (17845)
Invested
$1,047.22
Value
$1.1K
PnL
+$51.45
Record
68%
31590-15191 (46781)
Invested
$999.19
Value
$1.0K
PnL
+$12.45
Record
50%
7831-7882 (15713)
SocialistaInvested
$228
Value
$231
PnL
+$3
Record
62%
2319-1428 (3747)
Invested
$126.16
Value
$127.82
PnL
+$1.66
Record
61%
4647-2913 (7560)
Invested
$72.18
Value
$73.31
PnL
+$0.11
Record
54%
13985-11704 (25689)
Both legs:
HRTradingCTR<$100Invested
$58.64
Value
$66.35
PnL
+$7.71
Record
57%
1670-1266 (2936)
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EV Calculator
Consensus % is how many tracked traders hold a side, not a win probability.
31.5¢ price + 1.0¢ spread + 1.1¢ fee (Sports 5%). Win more often than this and the bet pays.
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.