According to @AltcoinGordon, the closure of a short position on Mantra DAO (OM) resulted in a $1.4 million profit, attributed to a significant decline in the token's value due to a 'rug pull' event. This development is crucial for traders monitoring the stability of DeFi projects, as it highlights potential vulnerabilities and trading opportunities in volatile market conditions. Traders are advised to exercise caution and conduct thorough research before engaging in similar trades.