PundiX has monthly airdrop, just hold a minimum 1000 NPXS on your wallet and get airdrop every month.
You can use this to calculate your profit.
Link:
https://stakingrewards.com/asset/npxsIs too late to join NPXS airdrop. As far as I know, NPXS monthly airdrop will end on June 2019.
1. Pivoting from the previous schedule of distributing airdrops till January 2021, the team has decided to unlock the Airdrops only till June 2019, i.e., (based on holdings till 31 May 2019, 23:59:59 GMT+8).
2. The new percentage of distribution would be 11.063%.
Source:
https://medium.com/bitbns/pundi-x-airdrop-update-you-must-know-10d325d6189f