Netanyahu out by...? MLS Cup Winner 2026 UEFA Champions League: 2027 Champion Will US withdraw from NATO by...? Will Reza Pahlavi enter Iran by...? Where will Maxx Crosby play in 2026? US x Iran Effective Ceasefire by...? (2 week pause) Brazil Presidential Election First Round: 2nd Place Measles cases in U.S. in 2026? Will MetaMask launch a token by ___ ? Highest grossing movie in 2026? Israel x Hamas ceasefire cancelled by...? Strait of Hormuz traffic returns to normal by December 31? Kharg Island no longer under Iranian control by...? Iran leadership change by...? US military action against Cuba by...? MLB World Series Champion 2026 Bitcoin all time high by ___? F1 Drivers' Champion Bab el-Mandeb Strait effectively closed by...?
Netanyahu out by...? MLS Cup Winner 2026 UEFA Champions League: 2027 Champion Will US withdraw from NATO by...? Will Reza Pahlavi enter Iran by...? Where will Maxx Crosby play in 2026? US x Iran Effective Ceasefire by...? (2 week pause) Brazil Presidential Election First Round: 2nd Place Measles cases in U.S. in 2026? Will MetaMask launch a token by ___ ? Highest grossing movie in 2026? Israel x Hamas ceasefire cancelled by...? Strait of Hormuz traffic returns to normal by December 31? Kharg Island no longer under Iranian control by...? Iran leadership change by...? US military action against Cuba by...? MLB World Series Champion 2026 Bitcoin all time high by ___? F1 Drivers' Champion Bab el-Mandeb Strait effectively closed by...?

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EF 💎

Earned badges
@fedenappa Public
2
followers
1
following
Joined Jun 2026

Reputation

211

Predictive quality

Rep / forecast

2.54

Average across 83 scored forecasts.

Unrealized reputation

0

Estimated if you closed every open forecast at current market probabilities.

Popularity

51

Social engagement

Predictions

88

5 open · 36 correct · 31 incorrect

Accuracy

54%

0-day streak Best: 6 days
Rep Level 3 · Analyst 211 / 350 rep
Pop Level 2 · Chatter 51 / 75 pop

Badges

Milestones earned from forecasts, accuracy, popularity, streaks, and challenge wins.

6/13
Founding Forecaster

One of the first 100 members of PredictStamp.

Earned Jul 8, 2026

First Forecast

Published your first prediction.

Earned Jun 3, 2026

Getting Serious

Published 10 predictions.

Earned 8× · latest Jul 25, 2026

Prolific Forecaster

Published 50 predictions.

Earned Jun 28, 2026

On the Board

Got your first prediction right.

Earned Jun 11, 2026

Sharp Eye

Resolved 10 predictions correctly.

Earned 4× · latest Jul 26, 2026

Crowd Favorite

Earned 100 popularity points.

Locked

Community Voice

Earned 500 popularity points.

Locked

Week Warrior

Reached a 7-day activity streak.

Locked

Unstoppable

Reached a 30-day activity streak.

Locked

First Victory

Won your first head-to-head challenge.

Locked

Challenge Champ

Won 5 head-to-head challenges.

Locked

Duel Legend

Won 10 head-to-head challenges.

Locked

Calibration

Hit rate by market-implied entry probability. A well-calibrated forecaster lands near the diagonal — winning ~30% of 30% calls and ~90% of 90% calls.

0–20%

0% (6)

20–40%

26% (19)

40–60%

73% (15)

60–80%

75% (20)

80–100%

71% (7)

Market-implied Actual accuracy

Expertise by category

Reputation and popularity broken down by topic — spot specialists in crypto, politics, sports, and more.

Reputation radar

Predictive quality per category

Popularity radar

Social engagement per category

Swipe to see all columns →

Category Reputation Popularity Predictions Leaderboards
Crypto 0 0 0 Rep · Pop
Economy 0 0 0 Rep · Pop
Politics 18 2 2 · 1/1 correct Rep · Pop
Esports 0 0 0 Rep · Pop
Sports 233 4 31 · 12/25 correct Rep · Pop
FIFA World Cup 2026 -40 5 55 · 28/53 correct Rep · Pop
Pop Culture 0 0 0 Rep · Pop
Science & Tech 0 0 0 Rep · Pop
World 0 0 0 Rep · Pop
Other 0 0 0 Rep · Pop

Track record

View all
Spain vs. Argentina

Closed Jul 19, 2026 · Entered Jul 17, 2026 Verified record · Closes Jul 19, 2026

Forecast: Argentina

Entry

26%

Resolution

0%

Draw

Realized

-26

Polymarket gave Argentina 26% at forecast time · +74 if correct · −26 if wrong

0
Incorrect
Belgian Grand Prix: Driver Winner

Closed Jul 19, 2026 · Entered Jul 19, 2026 Verified record · Closes Jul 26, 2026

Forecast: Charles Leclerc

Entry

32%

Resolution

0%

Kimi Antonelli

Realized

-32

Polymarket gave Charles Leclerc 32% at forecast time · +68 if correct · −32 if wrong

0
Incorrect