Smart money holds the underdog side
Most tracked traders hold Over, while the market favors Under (90%). 2 of 2 traders hold an outcome priced under 50%.
Historically, consensus on sides priced under 40¢ lost money after costs.
FC Sion vs. Lausanne-Sport: O/U 2.5
2 of 2 top Polymarket traders hold Over (100%) · Over at 10.0¢ · $19 held · ended Oct 25
⚠️
Avoid
Over
2
Over 100%
$18.99
-$28.02
Research grade
AvoidOver at 10%
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.
- Fewer than 5 holdersEvery backtest needed 5+ holders; with fewer nothing was measured.
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
2 of 2 top traders (100%)Underdog side (market favors Under 90%)2 hold an outcome priced under 50%2 small positions dimmed (<$100 invested)
Outcome Probabilities
Smart Money Breakdown by Outcome
| Trader | Position | Invested | Value | PnL | Record |
|---|---|---|---|---|---|
FO fooooolCTR<$100 | Overavg 49.5¢ | $45.78 | $17.76 | -$28.02 | 51% 6631-6378 (13009) |
 RN1CTR<$100 | Overavg 12¢ | $1.23 | $1.23 | +$0 | 55% 43817-36057 (79874) |
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EV Calculator
Consensus % is how many tracked traders hold a side, not a win probability.
10.0¢ price + 1.0¢ spread + 0.5¢ 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.