ndb1 has made $2.8M in realized profit on Polymarket and ranks #54 all time by profit, with 131M shares traded.
Latest trade seen: Oct 25, 2026.
- All-time realized profit
- +$2.8M
- All-time volume (shares)
- 131M
- Portfolio value
- $4.2M
- Profit this month
- +$349K
- Win rate (last 193 closed)
- 63%
How ndb1 has traded
Across the 193 most recently closed positions with a profit or loss Polymarket lists for this wallet, 121 (63%) ended in profit and 72 in a loss, for −$1.3M in realized profit and loss on those positions. The simple average entry price on them was 54%; below 50% means that, on average, the trader bought outcomes the market rated less likely than not. 135 of the 193 are about sports, judging by keywords in the market titles. Of the 15 largest open positions listed below, worth $3.9M together, the biggest is “2026 Balance of Power: D Senate, D House” (Yes) at 41% 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 Alexander Zverev win the 2026 Men's US Open?
Yes · entry 49% · closed Sep 14, 2026
+$1.1M

Will PSG win the 2025–26 Champions League?
Yes · entry 3% · closed May 30, 2026
+$699K

Mexico vs. England: Team to Advance
England · entry 52% · closed Jul 6, 2026
+$550K

Will Arsenal win the 2025–26 Champions League?
Yes · entry 2% · closed May 30, 2026
+$547K

Will Spain win the 2026 FIFA World Cup?
Yes · entry 31% · closed Jul 20, 2026
+$483K

Spurs vs. Thunder
Thunder · entry 69% · closed May 21, 2026
+$394K

Will Manchester City FC win on 2026-05-19?
No · entry 39% · closed May 19, 2026
+$300K

Will Germany win on 2026-06-20?
Yes · entry 65% · closed Jun 20, 2026
+$279K

Spread: Arizona Wildcats (-6.5)
Arizona Wildcats · entry 46% · closed Mar 29, 2026
+$223K

Will Paris Saint-Germain FC win on 2026-04-08?
Yes · entry 58% · closed Apr 9, 2026
+$216K
Biggest losses
Closed positions with the largest realized loss.

Will Casper Ruud win the 2026 Men's US Open?
Yes · entry 50% · closed Oct 14, 2026
−$1.0M

2026 Balance of Power: D Senate, R House
Yes · entry 23% · closed Oct 25, 2026
−$442K

Will Paris Saint-Germain FC win on 2026-04-14?
No · entry 61% · closed Apr 15, 2026
−$336K

Spurs vs. Knicks
Spurs · entry 94% · closed Jun 11, 2026
−$308K

Will England win on 2026-07-05?
No · entry 62% · closed Jul 6, 2026
−$274K

Spread: Thunder (-2.5)
Spurs · entry 46% · closed May 27, 2026
−$247K

Spurs vs. Thunder
Thunder · entry 70% · closed May 19, 2026
−$224K

Cavaliers vs. Knicks
Knicks · entry 59% · closed May 20, 2026
−$190K

Knicks vs. Spurs
Spurs · entry 67% · closed Jun 6, 2026
−$189K

Spurs vs. Thunder
Thunder · entry 57% · closed May 31, 2026
−$187K
Open positions
The largest current holdings by value, with the average entry price against today's price.

2026 Balance of Power: D Senate, D House
Yes · entry 26%, now 66% · ends Nov 4, 2026
Trade this on Polymarket (affiliate link)$1.6M
+$946K P&L

2026 Balance of Power: R Senate, D House
Yes · entry 23%, now 26% · ends Nov 4, 2026
Trade this on Polymarket (affiliate link)$568K
+$57K P&L

Will Manchester City win the 2026-27 English Premier League (EPL) Championship?
No · entry 71%, now 86% · ends May 30, 2027
Trade this on Polymarket (affiliate link)$322K
+$57K P&L

Will the Republican Party control the House after the 2026 Midterm elections?
No · entry 91%, now 92% · ends Nov 4, 2026
Trade this on Polymarket (affiliate link)$301K
+$2,413 P&L

FC Barcelona vs. Real Madrid CF: O/U 4.5
Under · entry 55%, now 99% · ends Oct 25, 2026
Trade this on Polymarket (affiliate link)$288K
+$129K P&L

Will the Democratic Party control the House after the 2026 Midterm elections?
Yes · entry 90%, now 92% · ends Nov 4, 2026
Trade this on Polymarket (affiliate link)$169K
+$2,177 P&L

2026 Balance of Power: D Senate, R House
No · entry 97%, now >99% · ends Nov 4, 2026
Trade this on Polymarket (affiliate link)$140K
+$3,291 P&L

Will Ousmane Dembélé win the 2026 Ballon d'Or?
No · entry 96%, now >99% · ends Oct 27, 2026
Trade this on Polymarket (affiliate link)$88K
+$3,676 P&L

Will Barcelona win the 2026-27 UEFA Champions League Championship?
No · entry 78%, now 79% · ends May 30, 2027
Trade this on Polymarket (affiliate link)$87K
+$87 P&L

Bitcoin all time high by December 31, 2026?
No · entry 86%, now 95% · ends Jan 1, 2027
Trade this on Polymarket (affiliate link)$85K
+$8,189 P&L

Will Bitcoin hit $150k by December 31, 2026?
No · entry 90%, now 98% · ends Jan 1, 2027
Trade this on Polymarket (affiliate link)$84K
+$6,180 P&L

Clarity Act (H.R.3633) signed into law in 2026?
No · entry 76%, now 97% · ends Jan 1, 2027
Trade this on Polymarket (affiliate link)$54K
+$12K P&L

Will Bitcoin reach $160,000 by December 31, 2026?
No · entry 94%, now 98% · ends Jan 1, 2027
Trade this on Polymarket (affiliate link)$42K
+$1,705 P&L

Will Bitcoin reach $200,000 by December 31, 2026?
No · entry 97%, now >99% · ends Jan 1, 2027
Trade this on Polymarket (affiliate link)$31K
+$798 P&L

Will Bitcoin reach $190,000 by December 31, 2026?
No · entry 97%, now >99% · ends Jan 1, 2027
Trade this on Polymarket (affiliate link)$30K
+$783 P&L
Recent trades

Bought No at 91%
Will the Republican Party control the House after the 2026 Midterm elections?

Bought No at 91%
Will the Republican Party control the House after the 2026 Midterm elections?

Bought No at 92%
2026 Balance of Power: R Senate, R House

Bought No at 92%
2026 Balance of Power: R Senate, R House

Bought No at 92%
2026 Balance of Power: R Senate, R House
Sold No at 79%
Will Barcelona win the 2026-27 UEFA Champions League Championship?

Bought No at 91%
Will the Republican Party control the House after the 2026 Midterm elections?

Bought No at 91%
Will the Republican Party control the House after the 2026 Midterm elections?

Bought No at 91%
Will the Republican Party control the House after the 2026 Midterm elections?

Bought No at 91%
Will the Republican Party control the House after the 2026 Midterm elections?

Bought No at 91%
Will the Republican Party control the House after the 2026 Midterm elections?

Bought No at 91%
Will the Republican Party control the House after the 2026 Midterm elections?

Bought No at 91%
Will the Republican Party control the House after the 2026 Midterm elections?

Bought No at 91%
Will the Republican Party control the House after the 2026 Midterm elections?

Bought No at 91%
Will the Republican Party control the House after the 2026 Midterm elections?
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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