
Will US GDP growth in Q3 2026 be between 2.5% and 3.0%?
1 of 5 top Polymarket traders hold No (20%) · No at 100¢ · $445 held · ends Oct 30
⚖️
Neutral
No
5
No 20%
$444.53
-$107.61
Research grade
NeutralNo 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
1 of 5 top traders (20%)4 hold an outcome priced under 50%4 small positions dimmed (<$100 invested)
Outcome Probabilities
Smart Money Breakdown by Outcome
| Trader | Position | Invested | Value | PnL | Record |
|---|---|---|---|---|---|
![]() CoinTrick | Noavg 99¢ | $413.82 | $298.87 | -$114.95 | 98% 3157-75 (3232) |
FI firegoldCTR<$100 | Yesavg 26¢ | $78 | $85.5 | -$6 | 59% 309-217 (526) |
HY hymoluCTR<$100 | Yesavg 16.5¢ | $34.64 | $49.26 | +$14.61 | 81% 26-6 (32) |
![]() perfectnostalgiaCTR<$100 | Yesavg 11.4¢ | $5.12 | $10.82 | +$6.15 | 55% 336-270 (606) |
![]() LornaPredictsCTR<$100 | Yesavg 5¢ | $7.5 | $0.08 | -$7.43 | 18% 519-2317 (2836) |
CoinTrickInvested
$413.82
Value
$298.87
PnL
-$114.95
Record
98%
3157-75 (3232)
Invested
$78
Value
$85.5
PnL
-$6
Record
59%
309-217 (526)
Invested
$34.64
Value
$49.26
PnL
+$14.61
Record
81%
26-6 (32)
perfectnostalgiaCTR<$100Invested
$5.12
Value
$10.82
PnL
+$6.15
Record
55%
336-270 (606)
LornaPredictsCTR<$100Invested
$7.5
Value
$0.08
PnL
-$7.43
Record
18%
519-2317 (2836)
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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 (Economics 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.