
Will Sparta Rotterdam win on 2026-11-01?
6 of 9 top Polymarket traders hold No (67%) · No at 84¢ · $1K held · ended Nov 1
⚖️
Neutral
No
9
No 67%
1 arb excluded
$1.0K
-$55.4
83.5¢ → 84¢
+1% since entry · 6 traders
Research grade
NeutralNo at 84%
No measured edge, which here means a loss: the plain consensus (5+ holders, 60 %+, held to resolution) lost −3.0 % a trade after costs out of sample in the full-year test (n 86,296, 95 % CI −3.6 to −2.4 %).
- 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
6 of 9 top traders (67%)1 arbitrage trader dimmed3 hold an outcome priced under 50%7 small positions dimmed (<$100 invested)
Outcome Probabilities
Smart Money Breakdown by Outcome
| Trader | Position | Invested | Value | PnL | Record |
|---|---|---|---|---|---|
UP UpTheBluesARB<$100 | Noavg 79.1¢ | $553.74 | $516.42 | -$37.32 | 59% 46920-33177 (80097) |
| └ No leg | Noavg 79.1¢ | $330.27 | $352.7 | +$22.43 | |
| └ Yes leg | Yesavg 21.2¢ | $223.47 | $163.72 | -$59.75 | |
![]() oieshfn345 | Noavg 81.8¢ | $290.52 | $262.37 | -$28.15 | 57% 1817-1366 (3183) |
![]() RN1 | Noavg 89.7¢ | $124.59 | $117.33 | -$7.26 | 54% 57170-49418 (106588) |
OM omnibus-076daa<$100 | Noavg 85¢ | $45.64 | $42.23 | -$3.41 | 50% 19451-19817 (39268) |
LI Lilybaeum<$100 | Noavg 76.8¢ | $22.56 | $22.9 | +$0.33 | 61% 13793-8671 (22464) |
![]() HRTrading<$100 | Noavg 76.4¢ | $16.14 | $16.97 | +$0.83 | 53% 5642-5057 (10699) |
WE WeBuyHighWeSelllowCTR<$100 | Yesavg 22¢ | $29.1 | $13.23 | -$15.87 | 54% 4943-4171 (9114) |
BI BillBenter2026<$100 | Noavg 73¢ | $8.85 | $8.78 | -$0.07 | 58% 18784-13847 (32631) |
TO topdogbigboiCTR<$100 | Yesavg 34.7¢ | $6.51 | $4.59 | -$1.91 | 48% 8966-9599 (18565) |
SN SnakeBallCTR<$100 | Yesavg 15¢ | $0.59 | $0.71 | +$0.12 | 50% 33863-33445 (67308) |
Invested
$553.74
Value
$516.42
PnL
-$37.32
Record
59%
46920-33177 (80097)
Both legs:
oieshfn345Invested
$290.52
Value
$262.37
PnL
-$28.15
Record
57%
1817-1366 (3183)
RN1Invested
$124.59
Value
$117.33
PnL
-$7.26
Record
54%
57170-49418 (106588)
Invested
$45.64
Value
$42.23
PnL
-$3.41
Record
50%
19451-19817 (39268)
Invested
$22.56
Value
$22.9
PnL
+$0.33
Record
61%
13793-8671 (22464)
HRTrading<$100Invested
$16.14
Value
$16.97
PnL
+$0.83
Record
53%
5642-5057 (10699)
Invested
$29.1
Value
$13.23
PnL
-$15.87
Record
54%
4943-4171 (9114)
Invested
$8.85
Value
$8.78
PnL
-$0.07
Record
58%
18784-13847 (32631)
Invested
$6.51
Value
$4.59
PnL
-$1.91
Record
48%
8966-9599 (18565)
Invested
$0.59
Value
$0.71
PnL
+$0.12
Record
50%
33863-33445 (67308)
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EV Calculator
Consensus % is how many tracked traders hold a side, not a win probability.
84.0¢ price + 1.0¢ spread + 0.6¢ 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

oieshfn345
No — $262.37

RN1
No — $117.33
omnibus-076daa
No — $42.23
Lilybaeum
No — $22.9

HRTrading
No — $16.97
WeBuyHighWeSelllow
CTRYes — $13.23
BillBenter2026
No — $8.78
topdogbigboi
CTRYes — $4.59
SnakeBall
CTRYes — $0.71