
Will the highest temperature in Helsinki be 13°C on October 26?
3 of 4 top Polymarket traders hold No (75%) · No at 98¢ · $97 held · ends Oct 26
⚖️
Neutral
No
4
No 75%
$97.38
-$6.27
Research grade
NeutralNo at 98%
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 %).
- Side priced over 95¢0.90–0.99 was −0.2 % a trade (n 4,210); above 95¢ little is left to win and the backtests' bands stop at 0.95.
- Fewer than 5 holdersEvery backtest needed 5+ holders; with fewer nothing was measured.
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
3 of 4 top traders (75%)1 holds an outcome priced under 50%4 small positions dimmed (<$100 invested)
Outcome Probabilities
Smart Money Breakdown by Outcome
| Trader | Position | Invested | Value | PnL | Record |
|---|---|---|---|---|---|
![]() Istaroth<$100 | Noavg 97.8¢ | $72.49 | $65.61 | -$6.09 | 51% 269-258 (527) |
0X 0x65f7226a82e093e5115e47ec2f4f7e733cd28b98<$100 | Noavg 84.1¢ | $16.82 | $19.56 | +$2.74 | 47% 502-558 (1060) |
CB Cb94C437EA5e6f088c6c0C143c592ab8EFBed<$100 | Noavg 96.6¢ | $11.02 | $11.07 | +$0.06 | 56% 3466-2703 (6169) |
0X 0x005ED998fCb786679Eb8Bfd0d20c15C0903D6D8E-1778811773658CTR<$100 | Yesavg 8¢ | $4.11 | $1.13 | -$2.97 | 49% 66-68 (134) |
Istaroth<$100Invested
$72.49
Value
$65.61
PnL
-$6.09
Record
51%
269-258 (527)
Invested
$16.82
Value
$19.56
PnL
+$2.74
Record
47%
502-558 (1060)
Invested
$11.02
Value
$11.07
PnL
+$0.06
Record
56%
3466-2703 (6169)
Invested
$4.11
Value
$1.13
PnL
-$2.97
Record
49%
66-68 (134)
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EV Calculator
Consensus % is how many tracked traders hold a side, not a win probability.
97.8¢ price + 1.0¢ spread + 0.1¢ 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.