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by ctchocula 2440 days ago
Maybe they could implement it with S&P 500 and tqking a short position to cancel out ownership of stock XYZ. This way they don't have the demand problem you alluded to. Then they can charge customers an additional fee for this customization, which would cover the cost of the short. I imagine some would pay this additional customization fee since it's a small price to feel morally consistent.