Smart money holds the underdog side
Most tracked traders hold Jan Kumstat, while the market favors Sho Shimabukuro (100%). 4 of 6 traders hold an outcome priced under 50%.
Historically, consensus on sides priced under 40¢ lost money after costs.

Seoul: Sho Shimabukuro vs Jan Kumstat
4 of 6 top Polymarket traders hold Jan Kumstat (67%) · Jan Kumstat at 0.1¢ · $4K held · ends Nov 3
⚠️
Avoid
Jan Kumstat
6
Jan Kumstat 67%
3 arb excluded
$3.6K
-$57.86
42.7¢ → 0.1¢
-100% since entry · 4 traders
Research grade
AvoidJan Kumstat at 0%
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.
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
4 of 6 top traders (67%)Underdog side (market favors Sho Shimabukuro 100%)3 arbitrage traders dimmed4 hold an outcome priced under 50%3 small positions dimmed (<$100 invested)
Outcome Probabilities
Smart Money Breakdown by Outcome
Signal Intelligence
Momentum
Flat
+0 pts consensus
Breadth
5 traders
Top 2 hold 86%
Freshness
Fresh
0h old
Flip Quality
Clean
0 consensus flips
71% of non-arb traders are on Jan Kumstat. Concentration is driven by the top two positions owning 86% of that side's value.
| Trader | Position | Invested | Value | PnL | Record |
|---|---|---|---|---|---|
UP UpTheBluesARB<$100 | Sho Shimabukuroavg 63.5¢ | $1.3K | $1.4K | +$126.58 | 59% 43578-30037 (73615) |
| └ Sho Shimabukuro leg | Sho Shimabukuroavg 63.5¢ | $709.08 | $781.2 | +$72.12 | |
| └ Jan Kumstat leg | Jan Kumstatavg 27.4¢ | $564.6 | $619.06 | +$54.46 | |
![]() VeryLucky888CTR | Jan Kumstatavg 42.6¢ | $720.97 | $740.58 | +$19.61 | 58% 39913-28822 (68735) |
EF efntrickARB<$100 | Sho Shimabukuroavg 73¢ | $1.2K | $667.04 | -$43.96 | 48% 3590-3842 (7432) |
| └ Sho Shimabukuro leg | Sho Shimabukuroavg 73¢ | $503.7 | $489.9 | -$13.8 | |
| └ Jan Kumstat leg | Jan Kumstatavg 31¢ | $207.29 | $177.14 | -$30.16 | |
LS LSS1 | Sho Shimabukuroavg 73¢ | $407.74 | $396.57 | -$11.17 | 72% 1522-596 (2118) |
1L 1lovejumpARB<$100 | Sho Shimabukuroavg 74.2¢ | $165.36 | $130.7 | -$20.65 | 53% 559-502 (1061) |
| └ Sho Shimabukuro leg | Sho Shimabukuroavg 74.2¢ | $96.03 | $91.92 | -$4.11 | |
| └ Jan Kumstat leg | Jan Kumstatavg 38.2¢ | $49.36 | $38.78 | -$16.55 | |
LE LeLynxMalynxCTR | Jan Kumstatavg 43¢ | $120.4 | $84 | -$36.4 | 57% 27306-20190 (47496) |
BI BillBenter2026<$100 | Sho Shimabukuroavg 66.2¢ | $77.45 | $83.07 | +$5.62 | 58% 18257-13418 (31675) |
![]() RN1CTR<$100 | Jan Kumstatavg 43¢ | $61.73 | $43.07 | -$18.66 | 54% 54957-46919 (101876) |
TH thestingsnakeCTR<$100 | Jan Kumstatavg 44.3¢ | $54.45 | $30.58 | -$16.86 | 60% 3868-2622 (6490) |
Invested
$1,273.68
Value
$1.4K
PnL
+$126.58
Record
59%
43578-30037 (73615)
Both legs:
VeryLucky888CTRInvested
$720.97
Value
$740.58
PnL
+$19.61
Record
58%
39913-28822 (68735)
Invested
$1,172.15
Value
$667.04
PnL
-$43.96
Record
48%
3590-3842 (7432)
Both legs:
Invested
$407.74
Value
$396.57
PnL
-$11.17
Record
72%
1522-596 (2118)
Invested
$165.36
Value
$130.7
PnL
-$20.65
Record
53%
559-502 (1061)
Both legs:
Invested
$120.4
Value
$84
PnL
-$36.4
Record
57%
27306-20190 (47496)
Invested
$77.45
Value
$83.07
PnL
+$5.62
Record
58%
18257-13418 (31675)
RN1CTR<$100Invested
$61.73
Value
$43.07
PnL
-$18.66
Record
54%
54957-46919 (101876)
Invested
$54.45
Value
$30.58
PnL
-$16.86
Record
60%
3868-2622 (6490)
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EV Calculator
Consensus % is how many tracked traders hold a side, not a win probability.
0.1¢ price + 1.0¢ spread + 0.1¢ 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
UpTheBlues
ARBArbitrage — excluded

VeryLucky888
CTRJan Kumstat — $740.58
efntrick
ARBArbitrage — excluded
LSS1
Sho Shimabukuro — $396.57
1lovejump
ARBArbitrage — excluded
LeLynxMalynx
CTRJan Kumstat — $84
BillBenter2026
Sho Shimabukuro — $83.07

RN1
CTRJan Kumstat — $43.07
thestingsnake
CTRJan Kumstat — $30.58