How much did ORKA move each index today?
XBI: ORKA moved +6.25% and contributed +0.12 points of the index's +4.46-point move (3% of it), ranking #8 of 154 members by contribution to the move.
ORKA closed the 2026-10-09 session at 82.11; that day's move sits in the 91th percentile of its own past year. The stock is 27.4% below its 52-week closing high and +170.9% for the year so far.
ORKA in the XBI beyond today
| window | ORKA return | points contributed | index move | rank |
|---|---|---|---|---|
| 1 week | −2.85% | −0.05 pts | −0.68 pts | #26 of 157 |
| 1 month | −10.41% | −0.37 pts | −3.07 pts | #13 of 157 |
| quarter to date | −1.42% | −0.03 pts | −3.93 pts | #55 of 157 |
| year to date | +170.90% | +1.16 pts | +31.82 pts | #16 of 157 |
Who moved with and against ORKA today?
On ORKA'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/ORKA, free to cite with attribution.