How much did ACHV move each index today?
XBI: ACHV moved +3.06% and contributed +0.01 points of the index's +4.46-point move (0% of it), ranking #80 of 154 members by contribution to the move.
ACHV closed the 2026-10-09 session at 7.41; that day's move sits in the 79th percentile of its own past year. The stock is 13.1% below its 52-week closing high and +49.1% for the year so far.
ACHV in the XBI beyond today
| window | ACHV return | points contributed | index move | rank |
|---|---|---|---|---|
| 1 week | +2.35% | +0.01 pts | −0.68 pts | #103 of 157 |
| 1 month | +1.79% | +0.01 pts | −3.07 pts | #114 of 157 |
| quarter to date | −8.41% | −0.02 pts | −3.93 pts | #76 of 157 |
| year to date | +49.09% | +0.06 pts | +31.82 pts | #65 of 157 |
Who moved with and against ACHV today?
On ACHV'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/ACHV, free to cite with attribution.