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Will Republicans hold 50–52 Senate seats and 208–222 House seats after the 2026 midterms?

9 of 10 top Polymarket traders hold No (90%) · No at 97¢ · $1K held · ends Nov 4

Yes3¢No97¢Ends Wed, Nov 4, 2026View on Polymarket
SIGNAL

⚖️

Neutral

No

Consensus Traders

10

No 90%

Total Value

$1.0K

Combined PnL

-$121.08

Smart Money Entry

91.2¢ → 97.2¢

+7% since entry · 9 traders

Research grade

NeutralNo at 97%

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

9 of 10 top traders (90%)1 holds an outcome priced under 50%8 small positions dimmed (<$100 invested)

Market Activity

Outcome Probabilities

Yes3%
No97%

Smart Money Breakdown by Outcome

No9 traders
Total Value$1.0K
Total Shares1,027
Combined PnL-$122.9
Yes1 trader
Total Value$3.56
Total Shares395
Combined PnL+$1.82
No — 90%Yes — 10%

Signal Intelligence

Momentum

Surging

+3 pts consensus

Breadth

10 traders

Top 2 hold 67%

Freshness

Mature

15h old

Flip Quality

Clean

1 consensus flip

Breadth vs concentrationBalanced

91% of non-arb traders are on No. Concentration is driven by the top two positions owning 67% of that side's value.

Cohort consensusHand-picked vs top 1000 · whales, sharps, snipers, contrarians
whaleNo 75% · 4
Aligned
sharpNo 50% · 2
Aligned
ctrNo 75% · 4
Aligned
Hand-pickedNo 100% · 3
Aligned
Top 1000No 90% · 10
Aligned

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EV Calculator

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

Break-even chance98.3%

97.2¢ price + 1.0¢ spread + 0.1¢ fee (Politics 4%). Win more often than this and the bet pays.

Expected Value—
Expected ROIenter your estimate
Max Profit
+$1.76
Max Loss
-$100.00
Shares
101.8

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
0x4e2799a5...a4cb4c
Slug
will-republicans-hold-5052-senate-seats-and-208222-house-seats-after-the-2026-midterms-20260625152834694
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