How much did JANX move each index today?
XBI: JANX moved −0.37% and contributed −0.00 points of the index's −1.55-point move (0% of it), ranking #101 of 147 members by contribution to the move.
JANX closed the 2026-08-25 session at 18.68; that day's move sits in the 57th percentile of its own past year. The stock is 46.2% below its 52-week closing high and +35.4% for the year so far.
JANX in the XBI beyond today
| window | JANX return | points contributed | index move | rank |
|---|---|---|---|---|
| 1 week | +10.14% | +0.05 pts | +9.00 pts | #48 of 147 |
| 1 month | +19.97% | +0.09 pts | +18.53 pts | #65 of 147 |
| quarter to date | +21.61% | +0.10 pts | +10.87 pts | #55 of 147 |
| year to date | +35.36% | +0.17 pts | +47.19 pts | #81 of 147 |
Who moved with and against JANX today?
On JANX's side of the XBI tape: SYRE (−0.26 pts), MRNA (−0.22 pts), RLAY (−0.10 pts). Pulling the other way: SMMT (+0.14 pts), PRAX (+0.05 pts), PGEN (+0.03 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/JANX, free to cite with attribution.