Smart money holds the underdog side
Most tracked traders hold Yes, while the market favors No (52%). 3 of 4 traders hold an outcome priced under 50%.

Will the highest temperature in Miami be between 84-85°F on October 31?
3 of 4 top Polymarket traders hold Yes (75%) · Yes at 48¢ · $255 held · ends Oct 31
⚖️
Neutral
Yes
4
Yes 75%
$254.97
$28.18
46.3¢ → 48¢
+4% since entry · 3 traders
Research grade
NeutralYes at 48%
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.
- 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
3 of 4 top traders (75%)Underdog side (market favors No 52%)3 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 |
|---|---|---|---|---|---|
![]() IstarothCTR | Yesavg 45.6¢ | $140.75 | $168.69 | +$27.94 | 21% 300-1130 (1430) |
HE hello.67CTR<$100 | Yesavg 47.3¢ | $58.32 | $59.14 | +$0.83 | 50% 1771-1748 (3519) |
24 241532532432CTR<$100 | Yesavg 49.6¢ | $18.7 | $18.1 | -$0.6 | 59% 1738-1204 (2942) |
GH ghorrock<$100 | Noavg 51.9¢ | $9.02 | $9.04 | +$0.02 | 57% 13591-10418 (24009) |
IstarothCTRInvested
$140.75
Value
$168.69
PnL
+$27.94
Record
21%
300-1130 (1430)
Invested
$58.32
Value
$59.14
PnL
+$0.83
Record
50%
1771-1748 (3519)
Invested
$18.7
Value
$18.1
PnL
-$0.6
Record
59%
1738-1204 (2942)
Invested
$9.02
Value
$9.04
PnL
+$0.02
Record
57%
13591-10418 (24009)
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EV Calculator
Consensus % is how many tracked traders hold a side, not a win probability.
48.0¢ price + 1.0¢ spread + 1.2¢ fee (Other / General 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.