SPX Deep in the money Puts bet with $214 million in the early morning on 2021-11-12

Some interesting trades with huge values: What is your view?

1: SPX251219P9200, $214m <== very deep in the money Puts, 4 years to go

2: SPX251219C4000 $912m <== almost $1B, also 4 years to go

3: SPX251219C1800 $128m <== very deep in the money Calls, also 4 years to go