
Kings vs. Spurs: O/U 245.5
3 of 7 top Polymarket traders hold Under (43%) · Under at 55¢ · $16K held · ended Oct 28
⚠️
Avoid
Under
7
Under 43%
1 arb excluded
$16.3K
$1.4K
48.5¢ → 55¢
+13% since entry · 3 traders
Research grade
AvoidUnder at 55%
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.
- Side priced 50–60¢Full year, out of sample: 0.50–0.70 lost −2.9 % a trade (n 23,546, 95 % CI −3.9 to −1.9).
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
3 of 7 top traders (43%)1 arbitrage trader dimmed4 hold an outcome priced under 50%3 small positions dimmed (<$100 invested)
Outcome Probabilities
Smart Money Breakdown by Outcome
| Trader | Position | Invested | Value | PnL | Record |
|---|---|---|---|---|---|
KE keeptheblueflagflyinghighCTR | Overavg 51.2¢ | $5.0K | $7.4K | +$2.3K | 48% 500-532 (1032) |
![]() Nooserac | Underavg 49¢ | $4.5K | $4.3K | -$277.68 | 52% 5696-5265 (10961) |
HO HomeRunHazardARB<$100 | Overavg 52.7¢ | $3.5K | $3.2K | -$235.75 | 54% 16767-14068 (30835) |
| └ Under leg | Underavg 53.9¢ | $1.6K | $1.7K | +$33.53 | |
| └ Over leg | Overavg 52.7¢ | $1.8K | $1.6K | -$269.28 | |
GA gagarin59 | Underavg 47.3¢ | $1.7K | $908.85 | -$810.84 | 52% 639-583 (1222) |
TA takeormakeCTR | Overavg 46.6¢ | $360.78 | $476.01 | +$115.23 | 54% 3774-3233 (7007) |
0X 0xdbdd45150249e229eB4cA8aa48A30Dca21Faa5de-1757094771846CTR<$100 | Overavg 54¢ | $18.9 | $21.53 | +$2.62 | 59% 29970-20691 (50661) |
RL RLWG<$100 | Underavg 46¢ | $4.6 | $4.6 | +$0 | 50% 7602-7622 (15224) |
![]() HRTradingCTR<$100 | Overavg 43¢ | $3.66 | $4.16 | +$0.5 | 53% 2815-2479 (5294) |
Invested
$5,046.89
Value
$7.4K
PnL
+$2.3K
Record
48%
500-532 (1032)
NooseracInvested
$4,535.46
Value
$4.3K
PnL
-$277.68
Record
52%
5696-5265 (10961)
Invested
$3,481.13
Value
$3.2K
PnL
-$235.75
Record
54%
16767-14068 (30835)
Both legs:
Invested
$1,719.69
Value
$908.85
PnL
-$810.84
Record
52%
639-583 (1222)
Invested
$360.78
Value
$476.01
PnL
+$115.23
Record
54%
3774-3233 (7007)
Invested
$18.9
Value
$21.53
PnL
+$2.62
Record
59%
29970-20691 (50661)
Invested
$4.6
Value
$4.6
PnL
+$0
Record
50%
7602-7622 (15224)
HRTradingCTR<$100Invested
$3.66
Value
$4.16
PnL
+$0.5
Record
53%
2815-2479 (5294)
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EV Calculator
Consensus % is how many tracked traders hold a side, not a win probability.
55.0¢ price + 1.0¢ spread + 1.2¢ 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
CTROver — $7.4K

Nooserac
Under — $4.3K
HomeRunHazard
ARBArbitrage — excluded
gagarin59
Under — $908.85
takeormake
CTROver — $476.01
0xdbdd45150249e229eB4cA8aa48A30Dca21Faa5de-1757094771846
CTROver — $21.53
RLWG
Under — $4.6

HRTrading
CTROver — $4.16