Trader sentiment on Cardi B and Stefon Diggs' potential engagement in 2026 tilts slightly toward "No" at 54.9% implied probability, reflecting the couple's volatile post-baby romance marked by a February breakup amid "too heated" tensions, followed by reconciliation signals like Diggs attending her April 8 Little Miss Drama Tour stop in D.C. and departing her afterparty together, plus a fresh family photo and his online defense against critics as of April 30. This on-again dynamic, confirmed via social media videos and verified sightings, clashes with unverified rumors of Cardi cozying up to another man in a viral clip and Diggs' custody speculation, fostering uncertainty in their co-parenting narrative. Key swing factors include direct public statements during her ongoing tour or NFL offseason appearances, or Instagram clarifications that could solidify commitment—or expose fresh splits—before year-end.