No, this does not involve Link, this is a native oracle that runs on Tezos, using XTZ. It provides XTZusd, XTZchf and usdchf price information. Smartcontract here. 
The price oracle was created by Kaiko.com.

Kaiko is a leader in providing digital assets data. Founded in 2014, Kaiko is a market data provider in the blockchain-based digital assets space, providing institutional investors and market participants with enterprise-grade data infrastructure.

Why has Kaiko created a price oracle on Tezos? We can only speculate so far. But a lot of things are being developed on Tezos at the moment. Very exiting times for Tezos holders. 

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