
Central Michigan vs. Eastern Michigan: O/U 45.5
4 of 6 top Polymarket traders hold Under (67%) · Under at 70¢ · $6K held · ended Nov 5
⚖️
Neutral
Under
6
Under 67%
2 arb excluded
$6.0K
-$12.9
62.7¢ → 70¢
+12% since entry · 4 traders
Research grade
NeutralUnder at 70%
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 %).
- 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.
- 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
4 of 6 top traders (67%)2 arbitrage traders dimmed2 hold an outcome priced under 50%5 small positions dimmed (<$100 invested)
Outcome Probabilities
Smart Money Breakdown by Outcome
| Trader | Position | Invested | Value | PnL | Record |
|---|---|---|---|---|---|
PR primm | Underavg 62.7¢ | $4.3K | $4.3K | -$16.49 | 47% 1244-1422 (2666) |
![]() RN1ARB<$100 | Overavg 35.5¢ | $1.1K | $1.1K | +$37.66 | 53% 60086-52456 (112542) |
| └ Over leg | Overavg 35.5¢ | $606.43 | $640.07 | +$33.64 | |
| └ Under leg | Underavg 62¢ | $498.48 | $502.5 | +$4.02 | |
38 38791873984189ARB<$100 | Underavg 62¢ | $412.97 | $439.46 | +$26.49 | 48% 59342-63357 (122699) |
| └ Under leg | Underavg 62¢ | $310 | $350 | +$40 | |
| └ Over leg | Overavg 34.5¢ | $102.97 | $89.46 | -$13.51 | |
0X 0x228B8d11EBa89BF1c554f8879a9293B7106DaF4c-1765442354872<$100 | Underavg 66.5¢ | $43.9 | $46.2 | +$2.3 | 56% 7896-6221 (14117) |
HO HomeRunHazard<$100 | Underavg 52¢ | $26.52 | $27.8 | +$1.28 | 54% 18039-15168 (33207) |
PA Pan9X<$100 | Underavg 62¢ | $25.98 | $15.32 | -$0.02 | — |
SN SnakeBallCTR<$100 | Overavg 46¢ | $3.62 | $3.58 | -$0.04 | 50% 36347-35825 (72172) |
RL RLWGCTR<$100 | Overavg 38¢ | $1.9 | $1.98 | +$0.08 | 50% 8206-8232 (16438) |
Invested
$4,337.83
Value
$4.3K
PnL
-$16.49
Record
47%
1244-1422 (2666)
RN1ARB<$100Invested
$1,104.91
Value
$1.1K
PnL
+$37.66
Record
53%
60086-52456 (112542)
Both legs:
Invested
$412.97
Value
$439.46
PnL
+$26.49
Record
48%
59342-63357 (122699)
Both legs:
Invested
$43.9
Value
$46.2
PnL
+$2.3
Record
56%
7896-6221 (14117)
Invested
$26.52
Value
$27.8
PnL
+$1.28
Record
54%
18039-15168 (33207)
Invested
$25.98
Value
$15.32
PnL
-$0.02
Record
—
Invested
$3.62
Value
$3.58
PnL
-$0.04
Record
50%
36347-35825 (72172)
Invested
$1.9
Value
$1.98
PnL
+$0.08
Record
50%
8206-8232 (16438)
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EV Calculator
Consensus % is how many tracked traders hold a side, not a win probability.
70.0¢ price + 1.0¢ spread + 1.0¢ 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
primm
Under — $4.3K

RN1
ARBArbitrage — excluded
38791873984189
ARBArbitrage — excluded
0x228B8d11EBa89BF1c554f8879a9293B7106DaF4c-1765442354872
Under — $46.2
HomeRunHazard
Under — $27.8
Pan9X
Under — $15.32
SnakeBall
CTROver — $3.58
RLWG
CTROver — $1.98