
Arsenal FC vs. Chelsea FC: Chelsea FC O/U 1.5
2 of 2 top Polymarket traders hold Over (100%) · Over at 60¢ · $2K held · ended Sep 6
⚖️
Neutral
Over
2
Over 100%
$2.5K
$-2.6K
45.8¢ → 59.5¢
+30% since entry · 2 traders
Research grade
NeutralOver at 60%
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 50–60¢Full year, out of sample: 0.50–0.70 lost −2.9 % a trade (n 23,546, 95 % CI −3.9 to −1.9).
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 2 top traders (100%)
Outcome Probabilities
Smart Money Breakdown by Outcome
| Trader | Position | Invested | Value | PnL | Record |
|---|---|---|---|---|---|
OL OldZz | Overavg 52¢ | $2.2K | $2.5K | $-2.2K | 47% 103-117 (220) |
0X 0x106B18F60c7819818e7f9504E3-1761458928632 | Overavg 28.9¢ | $443.84 | — | -$443.84 | 37% 58-97 (155) |
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EV Calculator
Consensus % is how many tracked traders hold a side, not a win probability.
59.5¢ price + 1.0¢ spread + 1.2¢ 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.