Synopsys's investor day directly undercut the bear case, so the tepid stock reaction is hard to explain. It smashed 2027 revenue growth estimates and raised long-term targets for both segments. Its OpenAI partnership to jointly develop a model could look like letting the fox into the henhouse, but it is a direct admission that AI cannot bypass Synopsys's IP-protected data moat, which was the core bear argument. x.comÂ