How much did BCAX move each index today?
XBI: BCAX moved +0.24% and contributed +0.00 points against the index's −0.55-point move, offsetting 0% of it, ranking #96 of 147 members by contribution to the move.
BCAX closed the 2026-08-25 session at 24.58; that day's move sits in the 87th percentile of its own past year. The stock is 19.1% below its 52-week closing high and +46.0% for the year so far.
BCAX in the XBI beyond today
| window | BCAX return | points contributed | index move | rank |
|---|---|---|---|---|
| 1 week | −1.36% | −0.00 pts | +9.00 pts | #110 of 147 |
| 1 month | −11.61% | −0.06 pts | +18.53 pts | #127 of 147 |
| quarter to date | −17.21% | −0.07 pts | +10.87 pts | #112 of 147 |
| year to date | +46.05% | +0.11 pts | +47.19 pts | #91 of 147 |
Who moved with and against BCAX today?
On BCAX's side of the XBI tape: BHVN (+0.16 pts), ERAS (+0.14 pts), SMMT (+0.11 pts). Pulling the other way: MRNA (−0.37 pts), SYRE (−0.30 pts), RLAY (−0.10 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/BCAX, free to cite with attribution.