Lin Chen, the head of Deribit Asia-Pacific Business, posted on X platform that the largest ETH options trade today was a user selling 500 ETH in call and put options with a strike price of $3400 expiring at the end of October, receiving $394,000. Analysis suggests that the investor is betting on low volatility, with a profitable price range of $2750-$4450 and a coin-based return of 24.45%. Perhaps the investor believes that the price will fluctuate within this range.