
FC Machida Zelvia vs. Gamba Ōsaka: O/U 0.5
1 of 6 top Polymarket traders hold Over (17%) · Over at 75¢ · $92K held · ended Nov 1
⚖️
Neutral
Over
6
Over 17%
1 arb excluded
$91.7K
$9.0K
Research grade
NeutralOver at 75%
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.
- Consensus under 60 %Every backtest started at 60 %+ of the holders; below that nothing was measured.
- 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
1 of 6 top traders (17%)1 arbitrage trader dimmed5 hold an outcome priced under 50%2 small positions dimmed (<$100 invested)
Outcome Probabilities
Smart Money Breakdown by Outcome
Signal Intelligence
Momentum
Flat
+0 pts consensus
Breadth
1 traders
Top 2 hold 100%
Freshness
Fresh
0h old
Flip Quality
Clean
0 consensus flips
20% of non-arb traders are on Over. Concentration is driven by the top two positions owning 100% of that side's value.
| Trader | Position | Invested | Value | PnL | Record |
|---|---|---|---|---|---|
TH thetesterguy | Overavg 93¢ | $81.6K | $72.2K | $-3.7K | 92% 60-5 (65) |
UP UpTheBluesCTR | Underavg 7.2¢ | $5.7K | $18.0K | +$12.3K | 59% 46810-33082 (79892) |
SN SnakeBallCTR | Underavg 6.9¢ | $7.4K | $847.02 | +$342.06 | 50% 33813-33380 (67193) |
GO GoalLineGhostARB<$100 | Underavg 13.3¢ | $397.51 | $541.22 | +$155.27 | 50% 25606-25439 (51045) |
| └ Under leg | Underavg 13.3¢ | $237.73 | $408.05 | +$170.32 | |
| └ Over leg | Overavg 92.6¢ | $159.78 | $133.17 | -$15.05 | |
![]() RN1CTR | Underavg 9.8¢ | $60.12 | $124.53 | +$64.41 | 54% 57108-49373 (106481) |
FO fooooolCTR<$100 | Underavg 16.6¢ | $30.95 | $35.06 | +$4.1 | 50% 11152-10960 (22112) |
![]() HRTradingCTR<$100 | Underavg 12.2¢ | $3.06 | $5.47 | +$2.41 | 53% 5561-4981 (10542) |
Invested
$81,571.16
Value
$72.2K
PnL
$-3.7K
Record
92%
60-5 (65)
Invested
$5,703.09
Value
$18.0K
PnL
+$12.3K
Record
59%
46810-33082 (79892)
Invested
$7,365.37
Value
$847.02
PnL
+$342.06
Record
50%
33813-33380 (67193)
Invested
$397.51
Value
$541.22
PnL
+$155.27
Record
50%
25606-25439 (51045)
Both legs:
RN1CTRInvested
$60.12
Value
$124.53
PnL
+$64.41
Record
54%
57108-49373 (106481)
Invested
$30.95
Value
$35.06
PnL
+$4.1
Record
50%
11152-10960 (22112)
HRTradingCTR<$100Invested
$3.06
Value
$5.47
PnL
+$2.41
Record
53%
5561-4981 (10542)
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EV Calculator
Consensus % is how many tracked traders hold a side, not a win probability.
74.6¢ price + 1.0¢ spread + 0.9¢ 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.