There is some mentioning in this recent article, touched the subj on dot.com bubble burst but Cuban suffered very little by using collar strategy.
https://altimetry.com/articles/mark-cuban-is-calling-a-market-top
May not need as long term as LEAP. Market cycles now are much shorter than back in 2000, or 2008, the 2 major ones in recent history, nor the draw down as deep, as the 2020 suffered from a total unknown discease that wrecked harvoc all over the world. We most likely would not see such from happening again, though god forbid we have yet anothe large scale war...