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Smart money holds the underdog side

Most tracked traders hold No, while the market favors Yes (61%). 4 of 6 traders hold an outcome priced under 50%.

Historically, consensus on sides priced under 40¢ lost money after costs.

Skin cancer vaccine FDA approved by December 31, 2027?

4 of 6 top Polymarket traders hold No (67%) · No at 40¢ · $4K held · ends Jan 1, 2028

Yes61¢No39¢Ends Sat, Jan 1, 2028View on Polymarket
SIGNAL

⚖️

Neutral

No

Consensus Traders

6

No 67%

Total Value

$3.7K

Combined PnL

$485.77

Smart Money Entry

34.1¢ → 39.5¢

+16% since entry · 4 traders

Research grade

NeutralNo at 40%

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 30–50¢Full year, out of sample: 0.30–0.50 lost −4.8 % a trade (n 16,830, 95 % CI −6.6 to −3.1), worse than the plain consensus.

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

4 of 6 top traders (67%)Underdog side (market favors Yes 61%)4 hold an outcome priced under 50%2 small positions dimmed (<$100 invested)

Market Activity

Outcome Probabilities

Yes61%
No40%

Smart Money Breakdown by Outcome

No4 traders
Total Value$3.5K
Total Shares8,981
Combined PnL+$510.74
Yes2 traders
Total Value$143.89
Total Shares238
Combined PnL-$24.97
No — 67%Yes — 33%

Signal Intelligence

Momentum

Surging

+7 pts consensus

Breadth

4 traders

Top 2 hold 88%

Freshness

Late

1581h old

Flip Quality

Clean

0 consensus flips

Breadth vs concentrationCrowded

67% of non-arb traders are on No. Concentration is driven by the top two positions owning 88% of that side's value.

Cohort consensusHand-picked vs top 1000 · whales, sharps, snipers, contrarians
whaleNo 75% · 4
Aligned
sharpNo 100% · 1
Aligned
ctrNo 67% · 3
Aligned
Hand-pickedNo 60% · 5
Aligned
Top 1000No 100% · 2
Aligned

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EV Calculator

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

Break-even chance41.7%

39.5¢ price + 1.0¢ spread + 1.2¢ fee (Other / General 5%). Win more often than this and the bet pays.

Expected Value—
Expected ROIenter your estimate
Max Profit
+$139.78
Max Loss
-$100.00
Shares
239.8

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
0x0b44e9c6...3e8207
Slug
skin-cancer-vaccine-fda-approved-by-december-31-2027
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