Daily close, T-120 (10/25/24) through T+5. Run-up high $63.11 on 3/10/25, low $50.46 on 4/10/25 (T-120 to T-1). FDA decision 4/11/25. Historical price action, not a forecast.
Positioning before the decision
On Mar 28, 2025, 14 days before the decision date, at-the-money options priced a move of ±5.1% through Apr 17, 2025 (the first listed expiry after the decision; ATM implied volatility 27%). The stock closed +0.5% at the first close across the decision and -2.4% five trading days on. A straddle priced weeks out covers ordinary movement plus the event, so this is the move the options market priced through that expiry, not the event-implied move alone. How this compares across 1,000+ decisions.
Decision facts
FDA decision date2025-04-11
DrugOpdivo (nivolumab) plus Yervoy (ipilimumab) - (CheckMate -9DW)
Was Opdivo (nivolumab) plus Yervoy (ipilimumab) - (CheckMate -9DW) approved by the FDA?
Yes. The FDA approved the application for Opdivo (nivolumab) plus Yervoy (ipilimumab) - (CheckMate -9DW) on April 11, 2025. The primary source is linked on this page.
What was Opdivo (nivolumab) plus Yervoy (ipilimumab) - (CheckMate -9DW) under FDA review for?
The application covered Hepatocellular carcinoma (HCC). The FDA approved the application on April 11, 2025.
How did BMY stock react to the FDA decision?
On the decision day BMY moved +0.5%. That is the recorded reaction to this specific event -- historical measurement, not a prediction, and not investment advice.