The article says "To limit the cost of these put purchases, the fund also sells puts that would make money if the S&P 500 drops more than 20%."
WTF!! If the S&P drops more than 20%, that short put is going to get J&P Morgan assigned big time, losing much more than the premium that they sold the options for. I think what the article meant to say is "drops less than 20%"??
Options with strikes that much OTM, if it's expiring on June 30, the premium is microscopic, how that's going to limit the cost of those put purchases is beyond me. If the DTE is far away into the future, then they are exposing themselves to theta risks, the farther away the DTE, the more theta risk unless they bought more options than what they shorted. That would be the only way.
Anyway, they are professionals. I am sure they know what they are doing. I am just a retail trader. What do I know? LOL