Note: The original text appears to be a mix of Chinese and English. A more natural translation would be:
$老子が0.5まで下がったら買う
Or in casual Japanese: $老子が0.5まで落ちたら俺が買う
However, if you need a direct translation preserving the original structure as closely as possible while translating only the Chinese portion to Japanese, it would be:
$老子 砸到0.5I買入
Note: The original text appears to be a mix of Chinese and English. A more natural translation would be:
$老子が0.5まで下がったら買う
Or in casual Japanese:
$老子が0.5まで落ちたら俺が買う
However, if you need a direct translation preserving the original structure as closely as possible while translating only the Chinese portion to Japanese, it would be:
$老子 砸到0.5我買い