Could you transfer your portfolio into bonds during market instability (#BIL specifically), so it stays flat during most draw downs vs falling down, then switch

Could you transfer your portfolio into bonds during market instability (#BIL specifically), so it stays flat during most draw downs vs falling down, then switch out when markets return to normal? I created an account this week with https://beta.getquantbase.com/ https://beta.getquantbase.com/ I have not invested yet...