Jupiter has announced the details for the second airdrop, which will be tiered (subject to change).
If you have at least $800 in trading volume, you qualify for a $50 JUP airdrop.
$29,000 in trading volume = 250 JUP
$500K in trading volume = 3,000 JUP
$3M in trading volume = 10,000 JUP
$14M in trading volume = 20,000 JUP