Portugal’s Social Democratic Party (PSD) was caught off guard by a recent move from Chega leader André Ventura, prompting a strategic reassessment. The PSD, led by Luís Montenegro, is now attempting to leverage the resulting political instability to renegotiate support for the State Budget (OE) with the Socialist Party (PS). Ventura’s actions have seemingly eased pressure on Finance Minister Fernando Medina, offering him temporary relief from a potential challenge. The situation arose from an unexpected shift in Ventura’s position, disrupting previously anticipated political alignments. The PSD hopes to capitalize on the altered landscape and regain influence over the budget process. This development introduces new uncertainty into Portuguese politics and the upcoming parliamentary debates. The PS’s response to the PSD’s renewed efforts remains to be seen.