Assume that Hash Rate Futures maturing on 7 Aug 2021 (Block height 695520) is trading at P = 0.0701 BTC, implying the mining difficulty at D = 25.1T. Bob has a view that the difficulty should not increase this fast and that the mining reward should be higher than what the contract is trading at. Thus, Bob enters a long position of the Hash Rate Futures contact maturing on 7 Aug 2021 (with leverage). When the contract matures, Bob would profit if the actual mining difficulty is lower than 25.1T, i.e. the settlement price of the contract is higher than 0.0701 BTC.

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