
Will the Democrats win Maricopa County in the Arizona governor race in 2026?
3 of 4 top Polymarket traders hold Yes (75%) · Yes at 96¢ · $4K held · ends Nov 3
⚖️
Neutral
Yes
4
Yes 75%
$4.0K
$200.35
89¢ → 96¢
+8% since entry · 3 traders
Research grade
NeutralYes at 96%
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 %).
- Side priced over 95¢Full year, out of sample: 0.90–0.95 −0.2 % a trade (n 12,989, 95 % CI −0.6 to +0.3); above 95¢ little is left to win and the tests stop at 0.95.
- Fewer than 5 holdersEvery backtest needed 5+ holders; with fewer nothing was measured.
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%)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 |
|---|---|---|---|---|---|
![]() mrworldwide | Yesavg 90.6¢ | $2.6K | $2.8K | +$82.87 | 69% 799-359 (1158) |
0X 0x831449c4b94607dd3367023c61525aea99a90b88-1792449496754 | Yesavg 84.7¢ | $896.92 | $989.63 | +$92.71 | — 2-1 (3) |
CO Contestable-Parfait | Yesavg 87¢ | $23 | $215.03 | +$23.84 | 39% 9-14 (23) |
![]() NadmiCTR<$100 | Noavg 4¢ | $0.55 | $1.47 | +$0.92 | 47% 2029-2245 (4274) |
mrworldwideInvested
$2,635.45
Value
$2.8K
PnL
+$82.87
Record
69%
799-359 (1158)
Invested
$896.92
Value
$989.63
PnL
+$92.71
Record
—
2-1 (3)
Invested
$23
Value
$215.03
PnL
+$23.84
Record
39%
9-14 (23)
NadmiCTR<$100Invested
$0.55
Value
$1.47
PnL
+$0.92
Record
47%
2029-2245 (4274)
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EV Calculator
Consensus % is how many tracked traders hold a side, not a win probability.
96.0¢ price + 1.0¢ spread + 0.1¢ fee (Politics 4%). 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.