
Will Chelsea FC vs. AS Roma end in a draw?
3 of 4 top Polymarket traders hold No (75%) · No at 88¢ · $832 held · ended Oct 28
⚖️
Neutral
No
4
No 75%
$831.76
-$48.04
94.2¢ → 88¢
-7% since entry · 3 traders
Research grade
NeutralNo at 88%
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 %).
- Fewer than 5 holdersEvery backtest needed 5+ holders; with fewer nothing was measured.
- Favourite (60–95¢)Full year, out of sample: 0.70–0.90 lost −0.9 % a trade (n 26,050, 95 % CI −1.5 to −0.3): the least bad band, still a loss. The Oct 22 backtest's +0.4 % (n 4,327) was not confirmed.
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
3 of 4 top traders (75%)1 holds an outcome priced under 50%2 small positions dimmed (<$100 invested)
Outcome Probabilities
Smart Money Breakdown by Outcome
| Trader | Position | Invested | Value | PnL | Record |
|---|---|---|---|---|---|
UP UpTheBlues | Noavg 95.2¢ | $732.04 | $676.54 | -$55.5 | 59% 44644-31046 (75690) |
![]() poshposh | Noavg 89¢ | $133.5 | $139.5 | +$6 | 60% 9402-6388 (15790) |
![]() HRTrading<$100 | Noavg 92.9¢ | $10.92 | $10.93 | -$0.93 | 53% 3098-2756 (5854) |
![]() tradecraftCTR<$100 | Yesavg 6¢ | $2.39 | $4.79 | +$2.39 | 52% 5884-5521 (11405) |
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EV Calculator
Consensus % is how many tracked traders hold a side, not a win probability.
88.0¢ 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.


