How much did IBKR move each index today?
S&P 500: IBKR moved +1.62% and contributed +0.1 points of the index's +46.2-point move (0% of it), ranking #135 of 491 members by contribution to the move.
XLF: IBKR moved +1.62% and contributed +0.00 points of the index's +0.50-point move (1% of it), ranking #21 of 74 members by contribution to the move.
IBKR closed the 2026-10-09 session at 87.87; that day's move sits in the 73th percentile of its own past year. The stock is 10.5% below its 52-week closing high and +36.9% for the year so far.
IBKR in the S&P 500 beyond today
| window | IBKR return | points contributed | index move | rank |
|---|---|---|---|---|
| 1 week | −0.49% | −0.0 pts | +88.8 pts | #384 of 503 |
| 1 month | −1.73% | −0.1 pts | +219.8 pts | #329 of 503 |
| quarter to date | +2.87% | +0.1 pts | +160.0 pts | #205 of 503 |
| year to date | +36.92% | +1.1 pts | +966.0 pts | #119 of 503 |
Who moved with and against IBKR today?
On IBKR's side of the S&P 500 tape: MSFT (+11.3 pts), AMZN (+10.0 pts), PLTR (+2.8 pts). Pulling the other way: AAPL (−7.0 pts), NVDA (−3.7 pts), VZ (−2.7 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/IBKR, free to cite with attribution.