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Wizards vs. Cavaliers: O/U 238.5

1 of 5 top Polymarket traders hold Over (20%) · Over at 52¢ · $3K held · ends Oct 28

Over52¢Under48¢Ends Wed, Oct 28, 2026View on Polymarket
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Avoid

Over

Consensus Traders

5

Over 20%

Total Value

$2.6K

Combined PnL

$2.86

Research grade

AvoidOver at 52%

Matches a pattern that lost clearly more than the plain consensus in our tests.

  • BasketballFull year, out of sample: basketball lost −4.8 % a trade (n 1,747, 95 % CI −9.2 to +0.3); Oct 22 backtest: −12.0 % and −9.2 % in its two windows.
  • Spread or totalOct 22 backtest: spreads and totals −14.5 % a trade in spring (95 % CI −27 to −1), +1.5 % in October: no edge.
  • Consensus under 60 %Every backtest started at 60 %+ of the holders; below that nothing was measured.
  • Side priced 50–60¢Full year, out of sample: 0.50–0.70 lost −2.9 % a trade (n 23,546, 95 % CI −3.9 to −1.9).

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

Over

1 of 5 top traders (20%)4 hold an outcome priced under 50%2 small positions dimmed (<$100 invested)

Market Activity
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Outcome Probabilities

Over52%
Under49%

Smart Money Breakdown by Outcome

Over1 trader
Total Value$2.0K
Total Shares3,933
Combined PnL+$0
Under4 traders
Total Value$649.15
Total Shares1,292
Combined PnL+$2.86
Over — 20%Under — 80%

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EV Calculator

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

Break-even chance53.7%

51.5¢ price + 1.0¢ spread + 1.2¢ fee (Sports 5%). Win more often than this and the bet pays.

Expected Value—
Expected ROIenter your estimate
Max Profit
+$86.06
Max Loss
-$100.00
Shares
186.1

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
0xfe9f60b4...5d1f5b
Slug
nba-was-cle-2026-10-28-total-238pt5
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