"Why is it said that $ETH is the only doubling opportunity this year, just in these two weeks?"
Price hovering around 3400, on-chain activity and number of addresses continuously rising. Historically, out of the 5 times this structure has appeared, 4 times were accompanied by an increase of over 60%. The end of the year target of 7000 is not a wild guess, but a precise game based on cyclical rhythm. Those who understand have already started buying.