Will the highest temperature in Sao Paulo be 27°C on November 1?
2 of 3 top Polymarket traders hold No (67%) · No at 82¢ · $291 held · ends Nov 1
⚖️
Neutral
No
3
No 67%
$291.38
-$17.57
77.9¢ → 82¢
+5% since entry · 2 traders
Research grade
NeutralNo at 82%
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
2 of 3 top traders (67%)1 holds an outcome priced under 50%1 small position dimmed (<$100 invested)
Outcome Probabilities
Smart Money Breakdown by Outcome
| Trader | Position | Invested | Value | PnL | Record |
|---|---|---|---|---|---|
HE HellYeahTrader | Noavg 78¢ | $169.6 | $165.25 | +$1.09 | 54% 466-390 (856) |
 Istaroth | Noavg 77.5¢ | $100.43 | $68.54 | -$11.7 | 18% 364-1623 (1987) |
24 241532532432CTR<$100 | Yesavg 20.2¢ | $64.55 | $57.6 | -$6.95 | 59% 1919-1349 (3268) |
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EV Calculator
Consensus % is how many tracked traders hold a side, not a win probability.
82.0¢ price + 1.0¢ spread + 0.7¢ 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.