According to TechFlow, Zeta Markets has opened an airdrop query page, with the snapshot date being 8:00 on June 7.

The initial ZEX airdrop accounts for 8% of the total supply, 7% is allocated based on the user's total Z score at the time of the snapshot, and the remaining 1% is allocated to event participants of community partners.

The airdrop query address is: https://token.zeta.markets