Weekend and overnight gaps of the stock, index and commodity perpetuals against our own record of the US cash close (median venue price in the last 10-minute snapshot before 16:00 New York): per checkpoint the venue median, venue count, spread between venues and gap in percent; per underlying the median absolute gap at the lead point and at the open and the same side share once 5 windows hold both readings. The last 12 weekends or 20 nights, recorded since 2026-08-25.