
Will the highest temperature in Tokyo be 21°C on October 26?
3 of 4 top Polymarket traders hold Yes (75%) · Yes at 100¢ · $234 held · ends Oct 26
⚖️
Neutral
Yes
4
Yes 75%
$234.16
$221.43
Research grade
NeutralYes at 100%
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%2 small positions dimmed (<$100 invested)
Outcome Probabilities
Smart Money Breakdown by Outcome
| Trader | Position | Invested | Value | PnL | Record |
|---|---|---|---|---|---|
0X 0x65f7226a82e093e5115e47ec2f4f7e733cd28b98 | Yesavg 25.9¢ | $58.46 | $181.47 | +$163.68 | 48% 505-558 (1063) |
CB Cb94C437EA5e6f088c6c0C143c592ab8EFBed | Yesavg 52.8¢ | $136.42 | $45.06 | +$69.08 | 54% 4556-3891 (8447) |
GH ghorrock<$100 | Yesavg 96.2¢ | $30.67 | $7.08 | -$11.13 | 56% 10997-8571 (19568) |
0X 0x005ED998fCb786679Eb8Bfd0d20c15C0903D6D8E-1778811773658CTR<$100 | Noavg 2.7¢ | $0.74 | $0.54 | -$0.2 | 47% 67-77 (144) |
Invested
$58.46
Value
$181.47
PnL
+$163.68
Record
48%
505-558 (1063)
Invested
$136.42
Value
$45.06
PnL
+$69.08
Record
54%
4556-3891 (8447)
Invested
$30.67
Value
$7.08
PnL
-$11.13
Record
56%
10997-8571 (19568)
Invested
$0.74
Value
$0.54
PnL
-$0.2
Record
47%
67-77 (144)
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EV Calculator
Consensus % is how many tracked traders hold a side, not a win probability.
99.9¢ price + 1.0¢ spread + 0.0¢ 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.