How much did IRON move each index today?
XBI: IRON moved +0.20% and contributed +0.00 points against the index's −1.32-point move, offsetting 0% of it, ranking #114 of 147 members by contribution to the move.
IRON closed the 2026-08-25 session at 82.41; that day's move sits in the 79th percentile of its own past year. The stock is 12.4% below its 52-week closing high and +3.8% for the year so far.
IRON in the XBI beyond today
| window | IRON return | points contributed | index move | rank |
|---|---|---|---|---|
| 1 week | +2.76% | +0.03 pts | +9.00 pts | #60 of 147 |
| 1 month | +10.45% | +0.11 pts | +18.53 pts | #61 of 147 |
| quarter to date | +12.67% | +0.15 pts | +10.87 pts | #44 of 147 |
| year to date | +3.78% | +0.27 pts | +47.19 pts | #63 of 147 |
Who moved with and against IRON today?
On IRON's side of the XBI tape: ERAS (+0.17 pts), BHVN (+0.11 pts), SMMT (+0.10 pts). Pulling the other way: MRNA (−0.35 pts), SYRE (−0.29 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/IRON, free to cite with attribution.