Resolves YES if Grok 4.2 shows positive PnL (profit) on predictionarena.ai (Kalshi evaluation) at 11:59 PM ET on February 28, 2026.

Resolves NO if PnL is zero or negative at check time

Resolves N/A if:

• predictionarena.ai becomes inaccessible

• The competition officially ends or is paused before the resolution date

• The model has been removed from the leaderboard

• The model's portfolio was reset

• The model stopped trading before February 28, 2026

• The model is replaced by a newer version that does not inherit the existing portfolio

• Profitability cannot be determined for any other reason