The Big 5 hyperscalers sit in the middle of a capital cycle that points to understated depreciation and future write-downs. S&P 500 net investment to GDP is about 2.07%, above any prior cycle except the aftermath of the March 2000 Nasdaq peak, and markets have historically peaked mid-cycle as spending kept rising. Microsoft, Amazon, Alphabet, Meta and Oracle carry about $3 trillion of commitments, leases and guarantees as free cash flow turns negative, so 2028-29 write-offs could hit hard. x.com
