CoinCorner's Technical Lead Zakk announced on Twitter that CoinCorner has processed 1,500 Lightning transactions in the last 30 days at an average send size of $50.
This means the value of all Lightning transaction made on CoinCorner this month is roughly $75,000, or nearly 2 BTC when the tweet was published.
On Episode 15 of The Kevin Rooke Show, CoinCorner CEO Danny Scott mentioned that 15-20% of CoinCorner's Checkout payments happen over the Lightning Network. Checkout is CoinCorner's product that allows merchants to accept payments in Bitcoin.