
AC Monza vs. SSC Napoli: O/U 3.5
6 of 9 top Polymarket traders hold Under (67%) · Under at 62¢ · $5K held · ended Oct 28
⚖️
Neutral
Under
9
Under 67%
1 arb excluded
$4.9K
$43.71
60.1¢ → 62¢
+3% since entry · 6 traders
Research grade
NeutralUnder at 62%
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
6 of 9 top traders (67%)1 arbitrage trader dimmed3 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
4 traders
Top 2 hold 90%
Freshness
Fresh
0h old
Flip Quality
Clean
0 consensus flips
80% of non-arb traders are on Under. Concentration is driven by the top two positions owning 90% of that side's value.
| Trader | Position | Invested | Value | PnL | Record |
|---|---|---|---|---|---|
GO GoalLineGhostARB<$100 | Underavg 62.4¢ | $2.3K | $2.1K | -$220.35 | 50% 24384-24001 (48385) |
| └ Under leg | Underavg 62.4¢ | $1.7K | $1.4K | -$359.76 | |
| └ Over leg | Overavg 40.5¢ | $564.41 | $703.82 | +$139.41 | |
UP UpTheBlues | Underavg 57.4¢ | $906.84 | $962.07 | +$55.24 | 59% 44644-31046 (75690) |
RI RichieRicherCTR | Overavg 39.6¢ | $525.97 | $465.2 | -$60.77 | 53% 696-625 (1321) |
![]() RN1 | Underavg 61¢ | $418.94 | $434.28 | +$15.34 | 54% 55742-47837 (103579) |
![]() 0xheavy888 | Underavg 63¢ | $378 | $390 | +$12 | 56% 6917-5536 (12453) |
![]() VeryLucky888 | Underavg 62.8¢ | $519.77 | $343.38 | +$18.6 | 58% 40796-29505 (70301) |
SK SkurwysynCTR | Overavg 45¢ | $204.54 | $206.81 | +$2.27 | 49% 257-269 (526) |
LE LeLynxMalynx<$100 | Underavg 64¢ | $44.26 | $45.2 | +$1.11 | 58% 28127-20735 (48862) |
AM ameisgoat11<$100 | Underavg 66¢ | $5.05 | $5 | -$0.05 | 47% 2067-2357 (4424) |
AN Anon455CTR<$100 | Overavg 53¢ | $1.13 | $1.1 | -$0.03 | 56% 2631-2084 (4715) |
Invested
$2,307.68
Value
$2.1K
PnL
-$220.35
Record
50%
24384-24001 (48385)
Both legs:
Invested
$906.84
Value
$962.07
PnL
+$55.24
Record
59%
44644-31046 (75690)
Invested
$525.97
Value
$465.2
PnL
-$60.77
Record
53%
696-625 (1321)
RN1Invested
$418.94
Value
$434.28
PnL
+$15.34
Record
54%
55742-47837 (103579)
0xheavy888Invested
$378
Value
$390
PnL
+$12
Record
56%
6917-5536 (12453)
VeryLucky888Invested
$519.77
Value
$343.38
PnL
+$18.6
Record
58%
40796-29505 (70301)
Invested
$204.54
Value
$206.81
PnL
+$2.27
Record
49%
257-269 (526)
Invested
$44.26
Value
$45.2
PnL
+$1.11
Record
58%
28127-20735 (48862)
Invested
$5.05
Value
$5
PnL
-$0.05
Record
47%
2067-2357 (4424)
Invested
$1.13
Value
$1.1
PnL
-$0.03
Record
56%
2631-2084 (4715)
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EV Calculator
Consensus % is how many tracked traders hold a side, not a win probability.
62.0¢ 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
GoalLineGhost
ARBArbitrage — excluded
UpTheBlues
Under — $962.07
RichieRicher
CTROver — $465.2

RN1
Under — $434.28

0xheavy888
Under — $390

VeryLucky888
Under — $343.38
Skurwysyn
CTROver — $206.81
LeLynxMalynx
Under — $45.2
ameisgoat11
Under — $5
Anon455
CTROver — $1.1