Closed-Development
0x1510…fe91 · Joined April 27, 2026
Closed-Development is down $13K in realized results on Polymarket, with 944K shares traded.
Latest trade seen: Oct 25, 2026.
- All-time realized profit
- −$13K
- All-time volume (shares)
- 944K
- Portfolio value
- $1,130
- Profit this month
- +$206
- Win rate (last 200 closed)
- 89%
How Closed-Development has traded
Across the 200 most recently closed positions with a profit or loss Polymarket lists for this wallet, 178 (89%) ended in profit and 22 in a loss, for +$11K in realized profit and loss on those positions. The simple average entry price on them was 81%; below 50% means that, on average, the trader bought outcomes the market rated less likely than not. 106 of the 200 are about sports, judging by keywords in the market titles. Of the 1 largest open positions listed below, worth $1,130 together, the biggest is “Will Flávio Bolsonaro win the 2026 Brazilian presidential election?” (Yes) at 100% of that value.
Computed by WhaleSays from Polymarket's public position data. It describes the past and is not a forecast.
Biggest wins
Closed positions with the highest realized profit.

Will SE Palmeiras win on 2026-05-05?
Yes · entry 65% · closed May 6, 2026
+$1,540

Ayase Ueda: 1+ goals
Yes · entry 39% · closed Jun 21, 2026
+$574

Brazil vs. Panama: O/U 4.5
Over · entry 64% · closed Jun 1, 2026
+$536

CR Flamengo vs. Estudiantes de La Plata: Team to Advance
Estudiantes de La Plata · entry 37% · closed Oct 23, 2026
+$525

Will CR Flamengo win on 2026-09-06?
Yes · entry 68% · closed Sep 6, 2026
+$441

Will Club Brugge KV win on 2026-10-13?
Yes · entry 44% · closed Oct 13, 2026
+$433

Will Manchester City FC win on 2026-05-19?
No · entry 72% · closed May 19, 2026
+$418

Will CA Mineiro win on 2026-10-14?
Yes · entry 65% · closed Oct 15, 2026
+$395

Atlanta Dream vs. Golden State Valkyries: O/U 152.5
Under · entry 57% · closed Oct 20, 2026
+$392

SE Palmeiras vs. Fluminense FC: Team to Advance
SE Palmeiras · entry 58% · closed Oct 22, 2026
+$375
Biggest losses
Closed positions with the largest realized loss.

Spain vs. Cabo Verde: Spain O/U 1.5
Over · entry 59% · closed Jun 15, 2026
−$1,486

Internazionali BNL d'Italia, Qualification: Mayar Sherif vs Tamara Korpatsch
Mayar Sherif · entry 63% · closed May 5, 2026
−$1,323

Will Santos FC win on 2026-08-01?
Yes · entry 66% · closed Aug 2, 2026
−$930

Internazionali BNL d'Italia: Hamad Medjedovic vs Joao Fonseca
Joao Fonseca · entry 69% · closed May 10, 2026
−$910

Will FC Bayern München win on 2026-05-02?
Yes · entry 70% · closed May 2, 2026
−$892

Ecuador vs. Curaçao: Ecuador O/U 1.5
Over · entry 74% · closed Jun 21, 2026
−$880

Will ACF Fiorentina win on 2026-10-25?
No · entry 89% · closed Oct 25, 2026
−$841

Will Everton FC win on 2026-05-04?
No · entry 87% · closed May 5, 2026
−$708

CA Paranaense vs. CR Flamengo: Both Teams to Score
Yes · entry 78% · closed May 18, 2026
−$698

Red Bull Bragantino leading at halftime?
No · entry 79% · closed Sep 13, 2026
−$696
Open positions
The largest current holdings by value, with the average entry price against today's price.

Will Flávio Bolsonaro win the 2026 Brazilian presidential election?
Yes · entry 66%, now 43% · ends Oct 26, 2026
Trade this on Polymarket (affiliate link)$1,130
−$590 P&L
Recent trades

Bought Yes at 66%
Will Flávio Bolsonaro win the 2026 Brazilian presidential election?

Sold Yes at 64%
Will Flávio Bolsonaro win the 2026 Brazilian presidential election?

Bought Yes at 66%
Will Flávio Bolsonaro win the 2026 Brazilian presidential election?

Sold No at 95%
Will Udinese Calcio win on 2026-10-25?

Bought No at 81%
Will Udinese Calcio win on 2026-10-25?

Sold Yes at 77%
Will Flávio Bolsonaro win the 2026 Brazilian presidential election?

Bought Yes at 80%
Will Flávio Bolsonaro win the 2026 Brazilian presidential election?
Sold No at >99%
Manchester United FC leading at halftime?
Bought No at 77%
Manchester United FC leading at halftime?
Sold No at >99%
Feyenoord Rotterdam leading at halftime?
Bought No at 77%
Feyenoord Rotterdam leading at halftime?

Bought No at 87%
Will FC Internazionale Milano win on 2026-10-25?

Sold No at 47%
Will ACF Fiorentina win on 2026-10-25?

Bought No at 89%
Will ACF Fiorentina win on 2026-10-25?

Sold Spurs at >99%
Spurs vs. Mavericks
Everything on this page comes from public Polymarket and on-chain data. WhaleSays is independent and is not affiliated with this trader. Past results do not predict future ones. To ask for a profile to be removed, contact us through the about page.
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