Smart money holds the underdog side
Most tracked traders hold Under, while the market favors Over (51%). 2 of 3 traders hold an outcome priced under 50%.
HB Køge vs. FC Barcelona: O/U 4.5
2 of 3 top Polymarket traders hold Under (67%) · Under at 49¢ · $137 held · ends Oct 29
⚖️
Neutral
Under
3
Under 67%
$136.9
$5.27
47¢ → 49¢
+4% since entry · 2 traders
Research grade
NeutralUnder at 49%
No measured edge, which here means a loss: the plain consensus (5+ holders, 60 %+, held to resolution) lost −3.0 % a trade after costs out of sample in the full-year test (n 86,296, 95 % CI −3.6 to −2.4 %).
- Spread or totalOct 22 backtest: spreads and totals −14.5 % a trade in spring (95 % CI −27 to −1), +1.5 % in October: no edge.
- Fewer than 5 holdersEvery backtest needed 5+ holders; with fewer nothing was measured.
- Side priced 30–50¢Full year, out of sample: 0.30–0.50 lost −4.8 % a trade (n 16,830, 95 % CI −6.6 to −3.1), worse than the plain consensus.
The rules come from our Oct 22 2026 backtest (one entry per market, held to resolution, after a 1¢ half-spread and Polymarket's taker fees). Our full-year test without hindsight (Oct 26 2026) found none of them profitable out of sample, and the plain consensus lost −3.0 % a trade. The grade describes the market; it is not a forecast, not an edge and not advice.
Smart Money Signal
2 of 3 top traders (67%)Underdog side (market favors Over 51%)2 hold an outcome priced under 50%3 small positions dimmed (<$100 invested)
Outcome Probabilities
Smart Money Breakdown by Outcome
| Trader | Position | Invested | Value | PnL | Record |
|---|---|---|---|---|---|
 VeryLucky888CTR<$100 | Underavg 46.4¢ | $92.7 | $98 | +$5.29 | 58% 41216-29879 (71095) |
 us391CTR<$100 | Underavg 49¢ | $32.95 | $32.95 | -$0 | 51% 1664-1610 (3274) |
 HRTrading<$100 | Overavg 51.5¢ | $5.84 | $5.95 | -$0.02 | 52% 3688-3350 (7038) |
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EV Calculator
Consensus % is how many tracked traders hold a side, not a win probability.
49.0¢ price + 1.0¢ spread + 1.3¢ 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.