PFE booked $271M in Bavencio alliance revenue in 2022, which is a pretty small amount for a PD-(L)1 drug. Moreover, PFE has a subcutaneous PD-1, Sasanlimab, in its wholly-owned pipeline (#msg-163133643).
“The efficient-market hypothesis may be the foremost piece of B.S. ever promulgated in any area of human knowledge!”