According to @EmberCN, Aug 29 is the last eligible trading day for the MyStonks Contract Experience Officer campaign. source: @EmberCN. The prize pool has reached USD 12,000 and will be split equally among all qualified participants. source: @EmberCN. Any address with at least USD 10,000 in US stock token contract trading volume during the event qualifies to share the pool. source: @EmberCN. Per-address payout equals 12,000 divided by the number of qualifying addresses, reflecting the stated equal split. source: @EmberCN.