
Will the Republicans win the South Carolina Senate race in 2026?
22 of 38 top Polymarket traders hold Yes (58%) · Yes at 75¢ · $147K held · ends Nov 4
⚖️
Neutral
Yes
38
Yes 58%
$147.1K
$3.1K
80.2¢ → 74.5¢
-7% since entry · 22 traders
Research grade
NeutralYes at 75%
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 %).
- Consensus under 60 %Every backtest started at 60 %+ of the holders; below that nothing was measured.
- Quality net +3 or moreNot confirmed. Oct 22 backtest: net +3 when the consensus formed made +7.2 % a trade (n 358), with 5 events giving two thirds of it. Full year, out of sample, the closest rule (3+ proven winners, two thirds on the side) lost −1.9 % a trade (n 49,161, 95 % CI −2.6 to −1.1).
- 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
22 of 38 top traders (58%)16 hold an outcome priced under 50%7 small positions dimmed (<$100 invested)
Outcome Probabilities
Smart Money Breakdown by Outcome
Signal Intelligence
Momentum
Building
+1 pts consensus
Breadth
22 traders
Top 2 hold 55%
Freshness
Late
4825h old
Flip Quality
Choppy
11 consensus flips
58% of non-arb traders are on Yes. Concentration is driven by the top two positions owning 55% of that side's value.
| Trader | Position | Invested | Value | PnL | Record |
|---|---|---|---|---|---|
PU purplegatto | Yesavg 85.6¢ | $36.4K | $31.7K | $-4.7K | 50% 5949-6040 (11989) |
RI Richidd | Yesavg 75.2¢ | $30.3K | $30.0K | -$272.36 | 46% 47-56 (103) |
![]() gopfan2 | Yesavg 84¢ | $16.8K | $15.0K | $-1.8K | 51% 901-875 (1776) |
![]() mombilCTR | Noavg 18.6¢ | $6.0K | $8.1K | +$2.1K | 55% 1191-966 (2157) |
SU supersmardCTR | Noavg 13.5¢ | $4.1K | $7.6K | +$3.5K | 39% 46-71 (117) |
![]() BiDiFakePolls | Yesavg 76.4¢ | $7.0K | $6.9K | -$177.71 | 58% 182-132 (314) |
![]() zb8 | Yesavg 79¢ | $6.3K | $6.0K | -$360 | 53% 641-561 (1202) |
![]() Valen9CTR | Noavg 13.8¢ | $2.8K | $5.1K | +$2.3K | 60% 406-274 (680) |
BA balerinacapuchina | Yesavg 78.1¢ | $4.3K | $4.1K | -$197.49 | 72% 176-70 (246) |
TR troim | Yesavg 74¢ | $3.7K | $3.8K | +$50 | 36% 397-691 (1088) |
RA RailcoolCTR | Noavg 13¢ | $1.9K | $3.7K | +$1.8K | 51% 86-81 (167) |
CO cocococococo | Yesavg 73.4¢ | $3.2K | $3.3K | +$70.83 | 52% 1665-1535 (3200) |
CO cowcatCTR | Noavg 23.3¢ | $2.9K | $2.9K | +$62.32 | 53% 1560-1362 (2922) |
PI piepedCTR | Noavg 20¢ | $1.0K | $2.3K | +$495.82 | 42% 71-100 (171) |
SE segment3 | Yesavg 84¢ | $2.5K | $2.3K | -$285 | 55% 11-9 (20) |
![]() BigMackyGCTR | Noavg 17¢ | $1.5K | $2.2K | +$718.27 | 20% 108-423 (531) |
LI lissartter | Yesavg 73¢ | $2.1K | $2.2K | +$27.99 | 42% 5283-7233 (12516) |
FB fbet | Yesavg 85¢ | $441.99 | $2.0K | -$268.5 | 57% 21-16 (37) |
![]() cambridgeisaac | Yesavg 85.5¢ | $1.6K | $1.5K | -$189.31 | 57% 1113-837 (1950) |
HO HotDogs | Yesavg 80.9¢ | $1.6K | $1.4K | -$113.57 | 94% 442-28 (470) |
![]() PMTraderAdam | Yesavg 83.6¢ | $877.5 | $787.5 | -$90 | 77% 830-249 (1079) |
![]() randomWalkingShrimpCTR | Noavg 12.3¢ | $382 | $775 | +$393 | 77% 1204-366 (1570) |
![]() probabilityCTR | Noavg 17.5¢ | $438.86 | $627.54 | +$188.73 | 42% 1368-1924 (3292) |
![]() kekkone | Yesavg 71.8¢ | $431 | $450 | +$19 | 73% 1124-417 (1541) |
![]() Contentious-Dinnerdate | Yesavg 78¢ | $467.22 | $449.25 | -$20.97 | 50% 415-417 (832) |
Invested
$36,418.46
Value
$31.7K
PnL
$-4.7K
Record
50%
5949-6040 (11989)
Invested
$30,279.95
Value
$30.0K
PnL
-$272.36
Record
46%
47-56 (103)
gopfan2Invested
$16,799.99
Value
$15.0K
PnL
$-1.8K
Record
51%
901-875 (1776)
mombilCTRInvested
$6,041.77
Value
$8.1K
PnL
+$2.1K
Record
55%
1191-966 (2157)
Invested
$4,095.67
Value
$7.6K
PnL
+$3.5K
Record
39%
46-71 (117)
BiDiFakePollsInvested
$7,028.72
Value
$6.9K
PnL
-$177.71
Record
58%
182-132 (314)
zb8Invested
$6,320
Value
$6.0K
PnL
-$360
Record
53%
641-561 (1202)
Valen9CTRInvested
$2,822.55
Value
$5.1K
PnL
+$2.3K
Record
60%
406-274 (680)
Invested
$4,294.99
Value
$4.1K
PnL
-$197.49
Record
72%
176-70 (246)
Invested
$3,700
Value
$3.8K
PnL
+$50
Record
36%
397-691 (1088)
Invested
$1,950
Value
$3.7K
PnL
+$1.8K
Record
51%
86-81 (167)
Invested
$3,210.17
Value
$3.3K
PnL
+$70.83
Record
52%
1665-1535 (3200)
Invested
$2,856.68
Value
$2.9K
PnL
+$62.32
Record
53%
1560-1362 (2922)
Invested
$1,000
Value
$2.3K
PnL
+$495.82
Record
42%
71-100 (171)
Invested
$2,520
Value
$2.3K
PnL
-$285
Record
55%
11-9 (20)
BigMackyGCTRInvested
$1,526.31
Value
$2.2K
PnL
+$718.27
Record
20%
108-423 (531)
Invested
$2,136.82
Value
$2.2K
PnL
+$27.99
Record
42%
5283-7233 (12516)
Invested
$441.99
Value
$2.0K
PnL
-$268.5
Record
57%
21-16 (37)
cambridgeisaacInvested
$1,648.41
Value
$1.5K
PnL
-$189.31
Record
57%
1113-837 (1950)
Invested
$1,557.8
Value
$1.4K
PnL
-$113.57
Record
94%
442-28 (470)
PMTraderAdamInvested
$877.5
Value
$787.5
PnL
-$90
Record
77%
830-249 (1079)
randomWalkingShrimpCTRInvested
$382
Value
$775
PnL
+$393
Record
77%
1204-366 (1570)
probabilityCTRInvested
$438.86
Value
$627.54
PnL
+$188.73
Record
42%
1368-1924 (3292)
kekkoneInvested
$431
Value
$450
PnL
+$19
Record
73%
1124-417 (1541)
Contentious-DinnerdateInvested
$467.22
Value
$449.25
PnL
-$20.97
Record
50%
415-417 (832)
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EV Calculator
Consensus % is how many tracked traders hold a side, not a win probability.
74.5¢ price + 1.0¢ spread + 0.7¢ 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.