At present, there is no corresponding futures product for resin ink
Although the oleic acid you mentioned is one of the raw materials of ink, there is cotton as a futures product in the futures market
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But if the chain is too long, the effect of direct hedging will not be very satisfactory and it will not be an effective hedging.
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If you want to hedge risks, you can conduct a long-term price difference comparison between resin ink and cotton to find reasonable price difference arbitrage opportunities for hedging.