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Will Republicans hold 53+ Senate seats and 208–222 House seats after the 2026 midterms?

8 of 9 top Polymarket traders hold No (89%) · No at 99¢ · $593 held · ends Nov 4

Yes1¢No99¢Ends Wed, Nov 4, 2026View on Polymarket
SIGNAL

⚖️

Neutral

No

Consensus Traders

9

No 89%

Total Value

$593.47

Combined PnL

$17.14

Smart Money Entry

92.2¢ → 98.7¢

+7% since entry · 8 traders

Research grade

NeutralNo at 99%

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.

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

No

8 of 9 top traders (89%)1 holds an outcome priced under 50%8 small positions dimmed (<$100 invested)

Market Activity

Outcome Probabilities

Yes1%
No99%

Smart Money Breakdown by Outcome

No8 traders
Total Value$588.46
Total Shares594
Combined PnL+$34.21
Yes1 trader
Total Value$5.01
Total Shares313
Combined PnL-$17.07
No — 89%Yes — 11%

Signal Intelligence

Momentum

Surging

+3 pts consensus

Breadth

8 traders

Top 2 hold 62%

Freshness

Mature

15h old

Flip Quality

Clean

0 consensus flips

Breadth vs concentrationBalanced

89% of non-arb traders are on No. Concentration is driven by the top two positions owning 62% of that side's value.

Cohort consensusHand-picked vs top 1000 · whales, sharps, snipers, contrarians
The hand-picked list (1 on Yes) and the top 1000 (9 on No) disagree here.
whaleNo 100% · 2
Aligned
sharpNo 100% · 2
Aligned
ctrNo 50% · 2
Aligned
Hand-pickedYes 100% · 1
Diverging
Top 1000No 89% · 9
Aligned

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EV Calculator

Consensus % is how many tracked traders hold a side, not a win probability.

Break-even chance99.7%

98.7¢ price + 1.0¢ spread + 0.0¢ fee (Politics 4%). Win more often than this and the bet pays.

Expected Value—
Expected ROIenter your estimate
Max Profit
+$0.29
Max Loss
-$100.00
Shares
100.3

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

Condition ID
0x36ed4680...c4153c
Slug
will-republicans-hold-53-senate-seats-and-208222-house-seats-after-the-2026-midterms-20260625152834691
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