How much did ACAD move each index today?
XBI: ACAD moved +1.02% and contributed +0.01 points of the index's +4.46-point move (0% of it), ranking #77 of 154 members by contribution to the move.
ACAD closed the 2026-10-09 session at 19.78; that day's move sits in the 67th percentile of its own past year. The stock is 35.3% below its 52-week closing high and −25.9% for the year so far.
ACAD in the XBI beyond today
| window | ACAD return | points contributed | index move | rank |
|---|---|---|---|---|
| 1 week | −0.85% | −0.01 pts | −0.68 pts | #77 of 157 |
| 1 month | −28.70% | −0.50 pts | −3.07 pts | #6 of 157 |
| quarter to date | −1.84% | −0.01 pts | −3.93 pts | #84 of 157 |
| year to date | −25.95% | −0.48 pts | +31.82 pts | #146 of 157 |
Who moved with and against ACAD today?
On ACAD's side of the XBI tape: MRNA (+0.45 pts), IOVA (+0.23 pts), PCVX (+0.19 pts). Pulling the other way: PRAX (−0.03 pts), MDGL (−0.02 pts), PURR (−0.02 pts).
Every member's contribution, top to bottom, is on the index dashboards; the day's story is in the market-close note. Machine-readable figures for this stock: /api/stock/ACAD, free to cite with attribution.