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Smart money holds the underdog side

Most tracked traders hold Under, while the market favors Over (60%). 3 of 7 traders hold an outcome priced under 50%.

Atalanta BC U23 vs. Vis Pesaro 1898: O/U 2.5

3 of 7 top Polymarket traders hold Under (43%) · Under at 41¢ · $528 held · ends Oct 28

Over60¢Under40¢Ends Wed, Oct 28, 2026View on Polymarket
SIGNAL

⚖️

Neutral

Under

Consensus Traders

7

Under 43%

Total Value

$527.73

Combined PnL

$66.33

Smart Money Entry

36.1¢ → 40.5¢

+12% since entry · 3 traders

Research grade

NeutralUnder at 41%

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.
  • Consensus under 60 %Every backtest started at 60 %+ of the holders; below that 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

Under

3 of 7 top traders (43%)Underdog side (market favors Over 60%)3 hold an outcome priced under 50%5 small positions dimmed (<$100 invested)

Market Activity
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Outcome Probabilities

Over60%
Under41%

Smart Money Breakdown by Outcome

Under3 traders
Total Value$322.53
Total Shares655
Combined PnL+$86.25
Over4 traders
Total Value$205.2
Total Shares361
Combined PnL-$19.92
Under — 43%Over — 57%

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EV Calculator

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

Break-even chance42.7%

40.5¢ price + 1.0¢ spread + 1.2¢ fee (Sports 5%). Win more often than this and the bet pays.

Expected Value—
Expected ROIenter your estimate
Max Profit
+$134.12
Max Loss
-$100.00
Shares
234.1

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.

Market Info

Condition ID
0x1ff5bbf1...4562b2
Slug
serc-ata-p98-2026-10-28-total-2pt5
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