
W100 Incheon: Yuki Naito vs Sara Saito
4 of 9 top Polymarket traders hold Sara Saito (44%) · Sara Saito at 100¢ · $688 held · ends Nov 11
⚖️
Neutral
Sara Saito
9
Sara Saito 44%
$688.42
$80.06
84.3¢ → 100¢
+19% since entry · 4 traders
Research grade
NeutralSara Saito at 100%
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 %).
- Side priced over 95¢Full year, out of sample: 0.90–0.95 −0.2 % a trade (n 12,989, 95 % CI −0.6 to +0.3); above 95¢ little is left to win and the tests stop at 0.95.
- Consensus under 60 %Every backtest started at 60 %+ of the holders; below that nothing was measured.
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 9 top traders (44%)5 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 |
|---|---|---|---|---|---|
KE keeptheblueflagflyinghighCTR | Yuki Naitoavg 16.1¢ | $109.32 | $372.67 | +$263.35 | 46% 1376-1620 (2996) |
![]() RN1 | Sara Saitoavg 83.2¢ | $422.57 | $228.47 | -$194.1 | 53% 60020-52387 (112407) |
TH thestingsnakeCTR<$100 | Yuki Naitoavg 27.7¢ | $21.44 | $32 | +$10.94 | 60% 4334-2905 (7239) |
TO topdogbigboiCTR<$100 | Yuki Naitoavg 4¢ | $1.57 | $21.65 | +$20.08 | 47% 10953-12334 (23287) |
LO looppau<$100 | Sara Saitoavg 99.9¢ | $31.53 | $14.2 | -$17.33 | 99% 12147-81 (12228) |
OM omnibus-076daaCTR<$100 | Yuki Naitoavg 58.2¢ | $9 | $8.5 | -$0.5 | 50% 20647-20936 (41583) |
EU EulhunterCTR<$100 | Yuki Naitoavg 37.3¢ | $4.36 | $6.43 | +$2.07 | 54% 6122-5151 (11273) |
FL Flaznorp<$100 | Sara Saitoavg 85.6¢ | $4.28 | $2.25 | -$2.03 | 51% 24004-22756 (46760) |
DI dips.<$100 | Sara Saitoavg 93.3¢ | $4.67 | $2.25 | -$2.42 | 47% 10274-11665 (21939) |
Invested
$109.32
Value
$372.67
PnL
+$263.35
Record
46%
1376-1620 (2996)
RN1Invested
$422.57
Value
$228.47
PnL
-$194.1
Record
53%
60020-52387 (112407)
Invested
$21.44
Value
$32
PnL
+$10.94
Record
60%
4334-2905 (7239)
Invested
$1.57
Value
$21.65
PnL
+$20.08
Record
47%
10953-12334 (23287)
Invested
$31.53
Value
$14.2
PnL
-$17.33
Record
99%
12147-81 (12228)
Invested
$9
Value
$8.5
PnL
-$0.5
Record
50%
20647-20936 (41583)
Invested
$4.36
Value
$6.43
PnL
+$2.07
Record
54%
6122-5151 (11273)
Invested
$4.28
Value
$2.25
PnL
-$2.03
Record
51%
24004-22756 (46760)
Invested
$4.67
Value
$2.25
PnL
-$2.42
Record
47%
10274-11665 (21939)
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EV Calculator
Consensus % is how many tracked traders hold a side, not a win probability.
100.0¢ price + 1.0¢ spread + 0.0¢ 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
keeptheblueflagflyinghigh
CTRYuki Naito — $372.67

RN1
Sara Saito — $228.47
thestingsnake
CTRYuki Naito — $32
topdogbigboi
CTRYuki Naito — $21.65
looppau
Sara Saito — $14.2
omnibus-076daa
CTRYuki Naito — $8.5
Eulhunter
CTRYuki Naito — $6.43
Flaznorp
Sara Saito — $2.25
dips.
Sara Saito — $2.25