How much did IRON move each index today?
XBI: IRON moved +2.12% and contributed +0.02 points of the index's +4.46-point move (0% of it), ranking #64 of 154 members by contribution to the move.
IRON closed the 2026-10-09 session at 62.06; that day's move sits in the 83th percentile of its own past year. The stock is 34.1% below its 52-week closing high and −21.8% for the year so far.
IRON in the XBI beyond today
| window | IRON return | points contributed | index move | rank |
|---|---|---|---|---|
| 1 week | −3.80% | −0.03 pts | −0.68 pts | #41 of 157 |
| 1 month | −16.29% | −0.12 pts | −3.07 pts | #38 of 157 |
| quarter to date | −5.19% | −0.04 pts | −3.93 pts | #49 of 157 |
| year to date | −21.85% | −0.10 pts | +31.82 pts | #114 of 157 |
Who moved with and against IRON today?
On IRON'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/IRON, free to cite with attribution.