Upset Cases: Weak Teams Draw with Favorites, Prediction Market Losses Soar
The 2026 FIFA World Cup, now 20 days into the tournament, has seen prediction market volumes surge alongside dramatic wins and losses. One defining upset occurred in the Cape Verde vs. Spain match. Cape Verde's goalkeeper Vozinha, valued at just €50,000, anchored a disciplined defense to hold Spain to a 0-0 draw. Spain's squad is worth €1.2 billion, with star Yamal alone valued at €200 million. Before the match, @betoor619 committed $1 million at 92 cents to buy "Spain to beat Cape Verde," expecting an easy 8.5% return. Instead, Spain fired 27 shots (7 on target) but failed to score, wiping out $1 million of @betoor619's capital.


A similar shock occurred in Portugal vs. DR Congo. Portugal's squad value exceeds €1 billion (including Cristiano Ronaldo), while DR Congo's is just €150 million (ranked 45th globally). Portugal's 19-year-old João Neves scored in the 7th minute, but DR Congo equalized in first-half stoppage time. A smart money wallet with 49% win rate spent $243,000 at an average price of 76 cents on "Portugal to win," only to lose it all.

Reverse-Indicator Address @Zzzz87: From $620K Loss to $269K Profit
The notorious reverse indicator @Zzzz87 initially lost $620,000 during the group stage, with win rate dropping below 40%. His large positions correlated with higher losses. After betting $80,000 on Cape Verde to beat Saudi Arabia (another 0-0 draw), he pivoted strategy to back strong teams in knockout rounds. As upsets decreased, this move paid off: the address earned approximately $269,000 in profits over the past week, fully compensating earlier losses. Current active positions include Switzerland vs. Algeria, Spain vs. Austria, Portugal vs. Croatia, and Argentina vs. Cape Verde, with stakes ranging from a few thousand to $36,000.

The Essence of Prediction Markets: Uncertainty is the Only Certainty
These cases demonstrate that football results transcend squad valuations, national strength, or external capital. Neither following "smart money" nor betting against "fool money" guarantees consistent returns. Some addresses have deleted themselves to avoid scrutiny, while others hedge with multiple accounts. The sole certainty in prediction markets is uncertainty. Investors should focus on enjoying the matches and adjusting strategies dynamically, rather than blindly mimicking historical patterns or others' choices.


