another plasma like attack just happened on hyperliquid premarkets - FOGO hyperps pumped 7x in 10 minutes and liquidated roughly 500k worth of shorts (90% of oi). This time OI was relatively small (xpl had hundreds of millions in OI) so damage is limited, but it only highlights how shorting premarkets on hl is a no go in the current state - regardless of safety buffer you can essentially get taken out for your full account, 10x mark price clamp is hardly a protection. I wrote about it extensively in the past but this design make "arbing" and aligning hl premarkets with other venues extremely risky and thats why hl prices are higher - arbers are scared to step in because of events like this and lack of effective safeguards. Most recent highly relevant example: lighter which is trading at 10-30cents premium on hl vs nance.

i personally know at least 100M of OI which permanently moved away from ever using premarkets on hl - this is also evident in the data, mega and lit combined have only 25M in OI -> these markets could easily scale to hundreds of millions with more reasonable safeguards (as plasma proved).

additional context from @mlmabc (no twitter post)