How much did VSTM move each index today?
XBI: VSTM moved +3.33% and contributed +0.01 points of the index's +4.46-point move (0% of it), ranking #72 of 154 members by contribution to the move.
VSTM closed the 2026-10-09 session at 8.38; that day's move sits in the 77th percentile of its own past year. The stock is 21.2% below its 52-week closing high and +8.5% for the year so far.
VSTM in the XBI beyond today
| window | VSTM return | points contributed | index move | rank |
|---|---|---|---|---|
| 1 week | +8.83% | +0.03 pts | −0.68 pts | #123 of 157 |
| 1 month | +9.97% | +0.02 pts | −3.07 pts | #117 of 157 |
| quarter to date | +4.10% | +0.02 pts | −3.93 pts | #129 of 157 |
| year to date | +8.55% | −0.07 pts | +31.82 pts | #107 of 157 |
Who moved with and against VSTM today?
On VSTM'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/VSTM, free to cite with attribution.