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Spread: Raptors (-9.5)

7 of 12 top Polymarket traders hold Celtics (58%) · Celtics at 95¢ · $6K held · ended Nov 12

Raptors6¢Celtics94¢Ended Thu, Nov 12, 2026View on Polymarket
SIGNAL

⚠️

Avoid

Celtics

Consensus Traders

12

Celtics 58%

Total Value

$5.7K

Combined PnL

-$887.45

Smart Money Entry

60.8¢ → 94.5¢

+55% since entry · 7 traders

Research grade

AvoidCeltics at 95%

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

Celtics

7 of 12 top traders (58%)5 hold an outcome priced under 50%3 small positions dimmed (<$100 invested)

Market Activity

Outcome Probabilities

Raptors6%
Celtics95%

Smart Money Breakdown by Outcome

Celtics7 traders
Total Value$5.1K
Total Shares5,483
Combined PnL+$807.39
Raptors5 traders
Total Value$570.64
Total Shares5,277
Combined PnL$-1.7K
Celtics — 58%Raptors — 42%

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EV Calculator

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

Break-even chance95.7%

94.5¢ price + 1.0¢ spread + 0.2¢ fee (Sports 5%). Win more often than this and the bet pays.

Expected Value—
Expected ROIenter your estimate
Max Profit
+$4.48
Max Loss
-$100.00
Shares
104.5

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
0x2dbe5788...5f188d
Slug
nba-bos-tor-2026-11-11-spread-home-9pt5
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