
Celtics vs. Bucks: O/U 221.5
5 of 12 top Polymarket traders hold Over (42%) · Over at 52¢ · $17K held · ends Nov 9
⚠️
Avoid
Over
12
Over 42%
$16.8K
$113.14
50.9¢ → 51.5¢
+1% since entry · 5 traders
Research grade
AvoidOver at 52%
Matches a pattern that lost clearly more than the plain consensus in our tests.
- BasketballFull year, out of sample: basketball lost −4.8 % a trade (n 1,747, 95 % CI −9.2 to +0.3); Oct 22 backtest: −12.0 % and −9.2 % in its two windows.
- 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.
- Side priced 50–60¢Full year, out of sample: 0.50–0.70 lost −2.9 % a trade (n 23,546, 95 % CI −3.9 to −1.9).
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
5 of 12 top traders (42%)7 hold an outcome priced under 50%2 small positions dimmed (<$100 invested)
Outcome Probabilities
Smart Money Breakdown by Outcome
Signal Intelligence
Momentum
Surging
-8 pts consensus
Breadth
5 traders
Top 2 hold 98%
Freshness
Fresh
2h old
Flip Quality
Watch
1 consensus flip
42% of non-arb traders are on Over. Concentration is driven by the top two positions owning 98% of that side's value.
| Trader | Position | Invested | Value | PnL | Record |
|---|---|---|---|---|---|
HO HomeRunHazard | Overavg 50.9¢ | $8.5K | $8.6K | +$98.92 | 54% 19973-16852 (36825) |
FE ferrariChampions2026CTR | Underavg 49¢ | $3.8K | $3.7K | -$38.44 | 46% 33351-38883 (72234) |
![]() nigiri99CTR | Underavg 48.7¢ | $2.9K | $2.9K | +$46.9 | 45% 14423-17722 (32145) |
BI biying99999 | Overavg 51¢ | $421.26 | $417.13 | -$4.13 | 47% 150-168 (318) |
SE sentrioCTR | Underavg 49¢ | $312.88 | $310.1 | -$2.78 | 50% 27934-27381 (55315) |
GC GC-PCTR | Underavg 47.1¢ | $187.13 | $192.62 | +$5.49 | 57% 22226-16583 (38809) |
NM NM-PCTR | Underavg 47¢ | $350 | $173.25 | +$8.75 | 57% 22335-16609 (38944) |
VE VenusianCTR | Underavg 49¢ | $134.11 | $134.11 | +$0 | 48% 2117-2339 (4456) |
SN SnakeBallCTR | Underavg 52¢ | $138.73 | $129.57 | -$9.16 | 50% 48547-48163 (96710) |
LI LightParadox | Overavg 49¢ | $117.16 | $125.89 | +$8.73 | 48% 2081-2289 (4370) |
0X 0x3d5a9e66f15e6719927972135501c61efc53a0be<$100 | Overavg 52.3¢ | $76.99 | $75.78 | -$1.21 | 49% 410-432 (842) |
RL RLWG<$100 | Overavg 51¢ | $2.45 | $2.53 | +$0.08 | 49% 8555-8731 (17286) |
Invested
$8,477.83
Value
$8.6K
PnL
+$98.92
Record
54%
19973-16852 (36825)
Invested
$3,766.98
Value
$3.7K
PnL
-$38.44
Record
46%
33351-38883 (72234)
nigiri99CTRInvested
$2,860.73
Value
$2.9K
PnL
+$46.9
Record
45%
14423-17722 (32145)
Invested
$421.26
Value
$417.13
PnL
-$4.13
Record
47%
150-168 (318)
Invested
$312.88
Value
$310.1
PnL
-$2.78
Record
50%
27934-27381 (55315)
Invested
$187.13
Value
$192.62
PnL
+$5.49
Record
57%
22226-16583 (38809)
Invested
$350
Value
$173.25
PnL
+$8.75
Record
57%
22335-16609 (38944)
Invested
$134.11
Value
$134.11
PnL
+$0
Record
48%
2117-2339 (4456)
Invested
$138.73
Value
$129.57
PnL
-$9.16
Record
50%
48547-48163 (96710)
Invested
$117.16
Value
$125.89
PnL
+$8.73
Record
48%
2081-2289 (4370)
Invested
$76.99
Value
$75.78
PnL
-$1.21
Record
49%
410-432 (842)
Invested
$2.45
Value
$2.53
PnL
+$0.08
Record
49%
8555-8731 (17286)
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EV Calculator
Consensus % is how many tracked traders hold a side, not a win probability.
51.5¢ 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
HomeRunHazard
Over — $8.6K
ferrariChampions2026
CTRUnder — $3.7K

nigiri99
CTRUnder — $2.9K
biying99999
Over — $417.13
sentrio
CTRUnder — $310.1
GC-P
CTRUnder — $192.62
NM-P
CTRUnder — $173.25
Venusian
CTRUnder — $134.11
SnakeBall
CTRUnder — $129.57
LightParadox
Over — $125.89