How much did VSTM move each index today?
XBI: VSTM moved −0.14% and contributed −0.00 points of the index's −0.15-point move (0% of it), ranking #72 of 139 members by contribution to the move.
VSTM closed the 2026-08-27 session at 7.38; that day's move sits in the 48th percentile of its own past year. The stock is 31.5% below its 52-week closing high and −4.4% for the year so far.
VSTM in the XBI beyond today
| window | VSTM return | points contributed | index move | rank |
|---|---|---|---|---|
| 1 week | +8.21% | +0.03 pts | +4.86 pts | #68 of 147 |
| 1 month | +22.80% | +0.07 pts | +20.33 pts | #75 of 147 |
| quarter to date | +93.19% | +0.17 pts | +9.99 pts | #34 of 147 |
| year to date | −4.40% | −0.04 pts | +46.31 pts | #121 of 147 |
Who moved with and against VSTM today?
On VSTM's side of the XBI tape: MRNA (−0.18 pts), KYMR (−0.08 pts), VERA (−0.07 pts). Pulling the other way: SLS (+0.13 pts), SRPT (+0.10 pts), PURR (+0.08 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.