According to the announcement from the OKEx exchange, the ADA perpetual swap contract has the existing pairs ADAUSD and ADAUSDT. Users were able to trade and get the API. Leverage for ADA contracts is from 0.01x to 20x.
The price cap rules for perpetual swaps ADAUSD & ADAUSDT are the same as perpetual swaps of other cryptocurrencies.
Besides the newly added ADA, you can trade derivatives of other cryptocurrencies like BTC, ETH, BCH, BSV, TRX, DASH, LINK, NEO, XTZ, ZEC on this exchange.
Current Cardano (ADA) price: