How much did VIR move each index today?
XBI: VIR moved +5.22% and contributed +0.02 points of the index's +4.46-point move (1% of it), ranking #49 of 154 members by contribution to the move.
VIR closed the 2026-10-09 session at 11.70; that day's move sits in the 90th percentile of its own past year. The stock is 0.7% below its 52-week closing high and +94.0% for the year so far.
VIR in the XBI beyond today
| window | VIR return | points contributed | index move | rank |
|---|---|---|---|---|
| 1 week | +4.74% | +0.02 pts | −0.68 pts | #122 of 157 |
| 1 month | +10.59% | +0.03 pts | −3.07 pts | #121 of 157 |
| quarter to date | +4.65% | +0.02 pts | −3.93 pts | #137 of 157 |
| year to date | +94.03% | +0.13 pts | +31.82 pts | #59 of 157 |
Who moved with and against VIR today?
On VIR'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/VIR, free to cite with attribution.