
Will the highest temperature in Seattle be between 56-57°F on October 26?
2 of 3 top Polymarket traders hold Yes (67%) · Yes at 56¢ · $119 held · ended Oct 26
⚖️
Neutral
Yes
3
Yes 67%
1 arb excluded
$118.57
$5
Research grade
NeutralYes at 56%
No measured edge either way. The plain consensus (5+ holders, 60 %+, held to resolution) lost −4.8 % a trade after costs (n 10,051, 95 % CI −6.5 to −3.1 %).
- Fewer than 5 holdersEvery backtest needed 5+ holders; with fewer nothing was measured.
- Side priced 50–60¢0.50–0.70 lost −3.2 % a trade pooled (n 3,834).
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 3 top traders (67%)1 arbitrage trader dimmed1 holds an outcome priced under 50%3 small positions dimmed (<$100 invested)
Outcome Probabilities
Smart Money Breakdown by Outcome
| Trader | Position | Invested | Value | PnL | Record |
|---|---|---|---|---|---|
24 241532532432ARB<$100 | Noavg 38.5¢ | $70.29 | $86.49 | +$16.2 | 61% 1475-932 (2407) |
| └ No leg | Noavg 38.5¢ | $45.02 | $51.48 | +$6.46 | |
| └ Yes leg | Yesavg 51.4¢ | $32.1 | $35.01 | +$9.74 | |
CB Cb94C437EA5e6f088c6c0C143c592ab8EFBedCTR<$100 | Noavg 29.1¢ | $12.46 | $18.85 | +$6.39 | 53% 6100-5351 (11451) |
GH ghorrock<$100 | Yesavg 68¢ | $14.24 | $10.39 | -$1.39 | 57% 12489-9413 (21902) |
KA Kathod-Shi-14<$100 | Yesavg 56¢ | $2.85 | $2.85 | +$0 | 55% 16610-13320 (29930) |
Invested
$70.29
Value
$86.49
PnL
+$16.2
Record
61%
1475-932 (2407)
Both legs:
Invested
$12.46
Value
$18.85
PnL
+$6.39
Record
53%
6100-5351 (11451)
Invested
$14.24
Value
$10.39
PnL
-$1.39
Record
57%
12489-9413 (21902)
Invested
$2.85
Value
$2.85
PnL
+$0
Record
55%
16610-13320 (29930)
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EV Calculator
Consensus % is how many tracked traders hold a side, not a win probability.
56.0¢ 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.