A Bedtime Story... Not that any of it might apply to XLY.v but I found this an interesting read.
https://oilprice.com/Energy/Energy-General/Naked-Short-Selling-The-Truth-Is-Much-Worse-Than-You-Have-Been-Told.html?utm_source=browser&utm_medium=push_notification&utm_campaign=vwo_notification_1612324112&_p_c=1
Don't let I cause you any nightmares. Instead, just get really angry. Maybe call someone or fire off an e-mail or two.
Dig in, mates! This is Tranche warfare!
cheers