
Spread: Celtics (-25.5)
4 of 14 top Polymarket traders hold Celtics (29%) · Celtics at 74¢ · $9K held · ended Oct 30
⚠️
Avoid
Celtics
14
Celtics 29%
2 arb excluded
$8.9K
-$254.75
49.4¢ → 74¢
+50% since entry · 4 traders
Research grade
AvoidCeltics at 74%
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.
- 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 14 top traders (29%)2 arbitrage traders dimmed10 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 |
|---|---|---|---|---|---|
SA SadSquid54333 | Celticsavg 49.7¢ | $2.8K | $2.6K | -$120.24 | 58% 169-123 (292) |
AN Anon455ARB<$100 | Celticsavg 54.3¢ | $2.3K | $2.2K | -$97.18 | 55% 2862-2296 (5158) |
| └ Celtics leg | Celticsavg 54.3¢ | $1.3K | $1.2K | -$77.18 | |
| └ Bulls leg | Bullsavg 50¢ | $1.0K | $980 | -$20 | |
KE keeptheblueflagflyinghighCTR | Bullsavg 50¢ | $1.3K | $1.3K | -$58.56 | 48% 783-852 (1635) |
TA takeormake | Celticsavg 51.4¢ | $551.51 | $557.8 | +$6.29 | 53% 4002-3482 (7484) |
UP UpTheBluesCTR | Bullsavg 54.7¢ | $583.57 | $523.19 | -$60.38 | 59% 45431-31798 (77229) |
SU SunflowaRebuildYearCTR | Bullsavg 45¢ | $500 | $483.33 | -$16.67 | 47% 313-354 (667) |
38 38791873984189ARB<$100 | Bullsavg 77¢ | $393.56 | $434.4 | +$40.84 | 46% 8071-9516 (17587) |
| └ Bulls leg | Bullsavg 77¢ | $273.83 | $256.05 | +$1.78 | |
| └ Celtics leg | Celticsavg 21.9¢ | $139.29 | $178.35 | +$39.06 | |
![]() hammyandcheese | Celticsavg 51¢ | $357.38 | $385.41 | +$28.03 | 56% 380-301 (681) |
TO torta.techCTR | Bullsavg 48¢ | $170.88 | $153.08 | -$17.8 | 63% 8104-4850 (12954) |
OD OddstormCTR<$100 | Bullsavg 79¢ | $65.87 | $64.62 | -$1.25 | 38% 383-624 (1007) |
NA NatoAlfistaCTR<$100 | Bullsavg 53¢ | $61.48 | $60.9 | -$0.58 | 50% 3806-3765 (7571) |
0X 0xdbdd45150249e229eB4cA8aa48A30Dca21Faa5de-1757094771846CTR<$100 | Bullsavg 74¢ | $58.46 | $56.88 | -$1.58 | 59% 30405-21110 (51515) |
FO Forecastication2<$100 | Celticsavg 22.9¢ | $38.78 | $38.03 | +$0.09 | 50% 6977-6973 (13950) |
![]() HRTradingCTR<$100 | Bullsavg 41.4¢ | $44.7 | $33.48 | -$11.22 | 52% 4099-3733 (7832) |
LE LeLynxMalynxCTR<$100 | Bullsavg 77¢ | $18.48 | $18.6 | +$0 | 58% 28450-21016 (49466) |
0X 0xe3eeb127d5763a6e4ad597f773f9d9c94d5176CTR<$100 | Bullsavg 48¢ | $8.54 | $7.65 | -$0.89 | 53% 6124-5371 (11495) |
Invested
$2,765.7
Value
$2.6K
PnL
-$120.24
Record
58%
169-123 (292)
Invested
$2,271.54
Value
$2.2K
PnL
-$97.18
Record
55%
2862-2296 (5158)
Both legs:
Invested
$1,331.89
Value
$1.3K
PnL
-$58.56
Record
48%
783-852 (1635)
Invested
$551.51
Value
$557.8
PnL
+$6.29
Record
53%
4002-3482 (7484)
Invested
$583.57
Value
$523.19
PnL
-$60.38
Record
59%
45431-31798 (77229)
Invested
$500
Value
$483.33
PnL
-$16.67
Record
47%
313-354 (667)
Invested
$393.56
Value
$434.4
PnL
+$40.84
Record
46%
8071-9516 (17587)
Both legs:
hammyandcheeseInvested
$357.38
Value
$385.41
PnL
+$28.03
Record
56%
380-301 (681)
Invested
$170.88
Value
$153.08
PnL
-$17.8
Record
63%
8104-4850 (12954)
Invested
$65.87
Value
$64.62
PnL
-$1.25
Record
38%
383-624 (1007)
Invested
$61.48
Value
$60.9
PnL
-$0.58
Record
50%
3806-3765 (7571)
Invested
$58.46
Value
$56.88
PnL
-$1.58
Record
59%
30405-21110 (51515)
Invested
$38.78
Value
$38.03
PnL
+$0.09
Record
50%
6977-6973 (13950)
HRTradingCTR<$100Invested
$44.7
Value
$33.48
PnL
-$11.22
Record
52%
4099-3733 (7832)
Invested
$18.48
Value
$18.6
PnL
+$0
Record
58%
28450-21016 (49466)
Invested
$8.54
Value
$7.65
PnL
-$0.89
Record
53%
6124-5371 (11495)
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EV Calculator
Consensus % is how many tracked traders hold a side, not a win probability.
74.0¢ 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.
Market Info
Traders in this Market
SadSquid54333
Celtics — $2.6K
Anon455
ARBArbitrage — excluded
keeptheblueflagflyinghigh
CTRBulls — $1.3K
takeormake
Celtics — $557.8
UpTheBlues
CTRBulls — $523.19
SunflowaRebuildYear
CTRBulls — $483.33
38791873984189
ARBArbitrage — excluded

hammyandcheese
Celtics — $385.41
torta.tech
CTRBulls — $153.08
Oddstorm
CTRBulls — $64.62