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Smart money holds the underdog side

Most tracked traders hold Celtics, while the market favors Nets (55%). 6 of 6 traders hold an outcome priced under 50%.

Spread: Celtics (-13.5)

6 of 6 top Polymarket traders hold Celtics (100%) · Celtics at 46¢ · $6K held · ends Oct 27

Celtics46¢Nets54¢Ends Tue, Oct 27, 2026View on Polymarket
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⚠️

Avoid

Celtics

Consensus Traders

6

Celtics 100%

1 arb excluded

Total Value

$6.3K

Combined PnL

$11

Smart Money Entry

45.9¢ → 45.5¢

-1% since entry · 6 traders

Research grade

AvoidCeltics at 46%

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.
  • 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

Celtics

6 of 6 top traders (100%)Underdog side (market favors Nets 55%)1 arbitrage trader dimmed6 hold an outcome priced under 50%

Market Activity
Loading chart data…

Outcome Probabilities

Celtics46%
Nets55%

Smart Money Breakdown by Outcome

Celtics6 traders
Total Value$6.2K
Total Shares13,427
Combined PnL+$11

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EV Calculator

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

Break-even chance47.7%

45.5¢ 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
+$109.45
Max Loss
-$100.00
Shares
209.5

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
0x0e4bd6a7...10a9c7
Slug
nba-bkn-bos-2026-10-27-spread-home-13pt5
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