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Smart money holds the underdog side

Most tracked traders hold Celtics, while the market favors Bulls (82%). 2 of 5 traders hold an outcome priced under 50%.

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

Spread: Celtics (-23.5)

2 of 5 top Polymarket traders hold Celtics (40%) · Celtics at 18¢ · $220 held · ended Oct 26

Celtics18¢Bulls82¢Ended Mon, Oct 26, 2026View on Polymarket
SIGNAL

⚠️

Avoid

Celtics

Consensus Traders

5

Celtics 40%

Total Value

$219.98

Combined PnL

$11.14

Smart Money Entry

25.8¢ → 18¢

-30% since entry · 2 traders

Research grade

AvoidCeltics at 18%

Matches a pattern that lost clearly more than the trading costs in the backtests.

  • Consensus side under 30¢Longshots (0.05–0.30) lost −29.5 % a trade pooled (n 1,625; −22 % in spring, −35 % in October): the strongest effect in the backtests.
  • BasketballBasketball lost in both windows: −12.0 % a trade in spring (95 % CI −22 to −2), −9.2 % in October.
  • Spread or totalSpreads 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.

Backtest of Oct 22 2026: one entry per market, held to resolution, after a 1¢ half-spread and Polymarket's taker fees. The grade never goes above “Research candidate”: no rule passed the multiple-testing check. It is not a forecast and not advice.

Smart Money Signal

Celtics

2 of 5 top traders (40%)Underdog side (market favors Bulls 82%)2 hold an outcome priced under 50%4 small positions dimmed (<$100 invested)

Market Activity
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Outcome Probabilities

Celtics18%
Bulls82%

Smart Money Breakdown by Outcome

Celtics2 traders
Total Value$166.13
Total Shares627
Combined PnL+$4.21
Bulls3 traders
Total Value$53.84
Total Shares73
Combined PnL+$6.93
Celtics — 40%Bulls — 60%

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EV Calculator

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

Break-even chance19.8%

18.0¢ price + 1.0¢ spread + 0.8¢ fee (Sports 5%). Win more often than this and the bet pays.

Expected Value—
Expected ROIenter your estimate
Max Profit
+$405.83
Max Loss
-$100.00
Shares
505.8

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
0xe65acfe4...e0b44c
Slug
nba-chi-bos-2026-10-26-spread-home-23pt5
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