Smart money holds the underdog side
Most tracked traders hold Under, while the market favors Over (77%). 4 of 9 traders hold an outcome priced under 50%.
Historically, consensus on sides priced under 40¢ lost money after costs.

Pistons vs. Wizards: O/U 231.5
4 of 9 top Polymarket traders hold Under (44%) · Under at 24¢ · $11K held · ended Nov 13
⚠️
Avoid
Under
9
Under 44%
1 arb excluded
$11.0K
-$41.67
52.8¢ → 23.5¢
-56% since entry · 4 traders
Research grade
AvoidUnder at 24%
Matches a pattern that lost clearly more than the plain consensus in our tests.
- Consensus side under 30¢Full year, out of sample: 0.05–0.30 lost −8.1 % a trade (n 11,568), under 0.20 −20.5 % (n 3,615). Oct 22 backtest: −29.5 % (n 1,625). The strongest effect in every test.
- 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.
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
4 of 9 top traders (44%)Underdog side (market favors Over 77%)1 arbitrage trader dimmed4 hold an outcome priced under 50%3 small positions dimmed (<$100 invested)
Outcome Probabilities
Smart Money Breakdown by Outcome
Signal Intelligence
Momentum
Fading
-20 pts consensus
Breadth
3 traders
Top 2 hold 100%
Freshness
Fresh
1h old
Flip Quality
Clean
0 consensus flips
30% of non-arb traders are on Under. Concentration is driven by the top two positions owning 100% of that side's value.
| Trader | Position | Invested | Value | PnL | Record |
|---|---|---|---|---|---|
KE keeptheblueflagflyinghigh | Overavg 47.1¢ | $3.9K | $6.1K | +$2.2K | 51% 2128-2072 (4200) |
LU luckycat888888CTR | Underavg 52.9¢ | $5.3K | $2.4K | $-3.0K | 22% 31-107 (138) |
0X 0x228B8d11EBa89BF1c554f8879a9293B7106DaF4c-1765442354872 | Overavg 49.1¢ | $1.2K | $1.5K | +$573.72 | 54% 1122-947 (2069) |
TA takeormake | Overavg 53.3¢ | $369.81 | $531.24 | +$161.44 | 58% 3342-2409 (5751) |
FL FlaznorpARB<$100 | Overavg 68.6¢ | $437.75 | $310.69 | -$36.68 | 51% 2892-2823 (5715) |
| └ Over leg | Overavg 68.6¢ | $191.61 | $213.56 | +$24.03 | |
| └ Under leg | Underavg 38.2¢ | $157.84 | $97.13 | -$60.71 | |
![]() RN1 | Overavg 47¢ | $120.32 | $192 | +$71.68 | 56% 4632-3618 (8250) |
BI biying88888CTR | Underavg 50¢ | $124.8 | $58.66 | -$66.14 | 42% 172-235 (407) |
0X 0x9b11866433281ade9f2811dbde8acdefc45f5375<$100 | Overavg 62.2¢ | $34.03 | $34.75 | +$0.72 | 52% 411-380 (791) |
NA NatoAlfistaCTR<$100 | Underavg 52¢ | $22.62 | $10.22 | -$12.4 | 39% 112-173 (285) |
FE ferdinand2CTR<$100 | Underavg 27.8¢ | $14.15 | $0.96 | -$1.62 | 49% 1475-1523 (2998) |
Invested
$3,863.87
Value
$6.1K
PnL
+$2.2K
Record
51%
2128-2072 (4200)
Invested
$5,320.38
Value
$2.4K
PnL
$-3.0K
Record
22%
31-107 (138)
Invested
$1,187.72
Value
$1.5K
PnL
+$573.72
Record
54%
1122-947 (2069)
Invested
$369.81
Value
$531.24
PnL
+$161.44
Record
58%
3342-2409 (5751)
Invested
$437.75
Value
$310.69
PnL
-$36.68
Record
51%
2892-2823 (5715)
Both legs:
RN1Invested
$120.32
Value
$192
PnL
+$71.68
Record
56%
4632-3618 (8250)
Invested
$124.8
Value
$58.66
PnL
-$66.14
Record
42%
172-235 (407)
Invested
$34.03
Value
$34.75
PnL
+$0.72
Record
52%
411-380 (791)
Invested
$22.62
Value
$10.22
PnL
-$12.4
Record
39%
112-173 (285)
Invested
$14.15
Value
$0.96
PnL
-$1.62
Record
49%
1475-1523 (2998)
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EV Calculator
Consensus % is how many tracked traders hold a side, not a win probability.
23.5¢ price + 1.0¢ spread + 0.9¢ fee (Sports 5%). Win more often than this and the bet pays.
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
Traders in this Market
keeptheblueflagflyinghigh
Over — $6.1K
luckycat888888
CTRUnder — $2.4K
0x228B8d11EBa89BF1c554f8879a9293B7106DaF4c-1765442354872
Over — $1.5K
takeormake
Over — $531.24
Flaznorp
ARBArbitrage — excluded

RN1
Over — $192
biying88888
CTRUnder — $58.66
0x9b11866433281ade9f2811dbde8acdefc45f5375
Over — $34.75
NatoAlfista
CTRUnder — $10.22
ferdinand2
CTRUnder — $0.96