How much did OLMA move each index today?
XBI: OLMA moved −1.20% and contributed −0.01 points of the index's −0.68-point move (1% of it), ranking #59 of 145 members by contribution to the move.
OLMA closed the 2026-08-26 session at 10.85; that day's move sits in the 47th percentile of its own past year. The stock is 69.7% below its 52-week closing high and −56.6% for the year so far.
OLMA in the XBI beyond today
| window | OLMA return | points contributed | index move | rank |
|---|---|---|---|---|
| 1 week | −4.07% | −0.02 pts | −1.16 pts | #54 of 147 |
| 1 month | −6.63% | −0.03 pts | +18.61 pts | #125 of 147 |
| quarter to date | −13.27% | −0.03 pts | +10.14 pts | #99 of 147 |
| year to date | −56.60% | −0.40 pts | +46.46 pts | #140 of 147 |
Who moved with and against OLMA today?
On OLMA's side of the XBI tape: MRNA (−0.23 pts), VERA (−0.07 pts), BHVN (−0.06 pts). Pulling the other way: SLS (+0.19 pts), PURR (+0.16 pts), RVMD (+0.06 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/OLMA, free to cite with attribution.