
Will the Democratic Party win the NY-01 House seat?
11 of 14 top Polymarket traders hold No (79%) · No at 81¢ · $12K held · ends Nov 4
⚖️
Neutral
No
14
No 79%
1 arb excluded
$12.2K
$134.35
80.5¢ → 80.5¢
+0% since entry · 11 traders
Research grade
NeutralNo at 81%
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 %).
- 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
11 of 14 top traders (79%)1 arbitrage trader dimmed3 hold an outcome priced under 50%3 small positions dimmed (<$100 invested)
Outcome Probabilities
Smart Money Breakdown by Outcome
| Trader | Position | Invested | Value | PnL | Record |
|---|---|---|---|---|---|
![]() IstarothARB<$100 | Noavg 82.9¢ | $4.3K | $4.2K | -$45.39 | 18% 366-1654 (2020) |
| └ No leg | Noavg 82.9¢ | $3.5K | $3.4K | -$120.11 | |
| └ Yes leg | Yesavg 18.2¢ | $766.66 | $842.38 | +$74.72 | |
DO DOLBAEB1CTR | Yesavg 18.8¢ | $2.0K | $2.1K | +$124.13 | 38% 40-65 (105) |
CB Cb94C437EA5e6f088c6c0C143c592ab8EFBed | Noavg 79¢ | $1.6K | $1.6K | +$20 | 53% 6697-5893 (12590) |
NO notgoodluckCTR | Yesavg 21¢ | $1.1K | $1.0K | -$50 | 61% 212-133 (345) |
AB ABC12345654321 | Noavg 84.3¢ | $964.54 | $943.78 | -$20.76 | 50% 1658-1652 (3310) |
AL alex20011 | Noavg 80.3¢ | $720.14 | $717.25 | -$2.9 | 48% 3491-3826 (7317) |
CO Contestable-ParfaitCTR | Yesavg 15.2¢ | $433.53 | $499.56 | +$66.03 | 38% 20-32 (52) |
AN anoin123 | Noavg 82.2¢ | $299.81 | $291.91 | -$7.9 | 47% 476-535 (1011) |
0X 0xa169f83d28ad1ce5a14cc1c49796b547ece21b73 | Noavg 80¢ | $256 | $256 | +$0 | 39% 175-269 (444) |
XT xtxpleasecallme | Noavg 78.6¢ | $165.95 | $165.97 | +$0.02 | 36% 16083-28096 (44179) |
SB sbimbg | Noavg 78¢ | $146.64 | $148.52 | +$1.88 | 70% 3189-1369 (4558) |
YO YouSayUpISayDown | Noavg 80¢ | $147.97 | $146.15 | -$1.82 | 53% 3729-3242 (6971) |
![]() flow-trader-at-optiver<$100 | Noavg 72¢ | $36 | $41.25 | +$5.25 | 39% 965-1508 (2473) |
GH ghorrock<$100 | Noavg 79.9¢ | $38.73 | $26.15 | -$0.28 | 56% 14257-11059 (25316) |
TT tttt123<$100 | Noavg 71¢ | $4.25 | $4.93 | +$0.69 | 72% 1535-585 (2120) |
IstarothARB<$100Invested
$4,274.22
Value
$4.2K
PnL
-$45.39
Record
18%
366-1654 (2020)
Both legs:
Invested
$2,000
Value
$2.1K
PnL
+$124.13
Record
38%
40-65 (105)
Invested
$1,580
Value
$1.6K
PnL
+$20
Record
53%
6697-5893 (12590)
Invested
$1,050
Value
$1.0K
PnL
-$50
Record
61%
212-133 (345)
Invested
$964.54
Value
$943.78
PnL
-$20.76
Record
50%
1658-1652 (3310)
Invested
$720.14
Value
$717.25
PnL
-$2.9
Record
48%
3491-3826 (7317)
Invested
$433.53
Value
$499.56
PnL
+$66.03
Record
38%
20-32 (52)
Invested
$299.81
Value
$291.91
PnL
-$7.9
Record
47%
476-535 (1011)
Invested
$256
Value
$256
PnL
+$0
Record
39%
175-269 (444)
Invested
$165.95
Value
$165.97
PnL
+$0.02
Record
36%
16083-28096 (44179)
Invested
$146.64
Value
$148.52
PnL
+$1.88
Record
70%
3189-1369 (4558)
Invested
$147.97
Value
$146.15
PnL
-$1.82
Record
53%
3729-3242 (6971)
flow-trader-at-optiver<$100Invested
$36
Value
$41.25
PnL
+$5.25
Record
39%
965-1508 (2473)
Invested
$38.73
Value
$26.15
PnL
-$0.28
Record
56%
14257-11059 (25316)
Invested
$4.25
Value
$4.93
PnL
+$0.69
Record
72%
1535-585 (2120)
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EV Calculator
Consensus % is how many tracked traders hold a side, not a win probability.
80.5¢ price + 1.0¢ spread + 0.6¢ 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.
Market Info
Traders in this Market

Istaroth
ARBArbitrage — excluded
DOLBAEB1
CTRYes — $2.1K
Cb94C437EA5e6f088c6c0C143c592ab8EFBed
No — $1.6K
notgoodluck
CTRYes — $1.0K
ABC12345654321
No — $943.78
alex20011
No — $717.25
Contestable-Parfait
CTRYes — $499.56
anoin123
No — $291.91
0xa169f83d28ad1ce5a14cc1c49796b547ece21b73
No — $256
xtxpleasecallme
No — $165.97