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Mavericks vs. Celtics: O/U 203.5

4 of 10 top Polymarket traders hold Over (40%) · Over at 84¢ · $2K held · ended Nov 15

Over84¢Under16¢Ended Sun, Nov 15, 2026View on Polymarket
SIGNAL

⚠️

Avoid

Over

Consensus Traders

10

Over 40%

1 arb excluded

Total Value

$2.0K

Combined PnL

$77.06

Smart Money Entry

80.7¢ → 84¢

+4% since entry · 4 traders

Research grade

AvoidOver at 84%

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.
  • 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

Over

4 of 10 top traders (40%)1 arbitrage trader dimmed6 hold an outcome priced under 50%5 small positions dimmed (<$100 invested)

Market Activity

Outcome Probabilities

Over84%
Under16%

Smart Money Breakdown by Outcome

Over4 traders
Total Value$1.3K
Total Shares1,553
Combined PnL+$130.75
Under6 traders
Total Value$156.45
Total Shares817
Combined PnL-$53.69
Over — 40%Under — 60%

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EV Calculator

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

Break-even chance85.6%

84.0¢ price + 1.0¢ spread + 0.6¢ fee (Sports 5%). Win more often than this and the bet pays.

Expected Value—
Expected ROIenter your estimate
Max Profit
+$16.77
Max Loss
-$100.00
Shares
116.8

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
0x9f22ceb5...150964
Slug
nba-dal-bos-2026-11-15-total-203pt5
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