這方麵壇子裏QuantField是專家
膽大點就在SPYM/VOO/IVV之間倒騰,就怕突然來個什麽substentially identical same rulling,都泡湯了
https://wealthtender.com/insights/investing/can-you-avoid-the-wash-sale-rule-with-etfs-and-this-loophole/