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2026-10-09 · official close

SMURFIT WESTROCK PLC (SW) and the market

Exact index points SW contributed this session, under each index's own arithmetic, verified against official closes. New here? Read point contribution, explained.

How much did SW move each index today?

S&P 500: SW moved −0.36% and contributed −0.0 points against the index's +46.2-point move, offsetting 0% of it, ranking #356 of 491 members by contribution to the move.

XLB: SW moved −0.36% and contributed −0.01 points against the index's +0.15-point move, offsetting 4% of it, ranking #14 of 23 members by contribution to the move.

SW closed the 2026-10-09 session at 41.30; that day's move sits in the 44th percentile of its own past year. The stock is 20.3% below its 52-week closing high and +9.1% for the year so far.

SW in the S&P 500 beyond today

windowSW returnpoints contributedindex moverank
1 week−2.91%−0.1 pts+88.8 pts#433 of 503
1 month−2.16%−0.1 pts+219.8 pts#284 of 503
quarter to date−6.35%−0.2 pts+160.0 pts#469 of 503
year to date+9.05%+0.5 pts+966.0 pts#172 of 503

Who moved with and against SW today?

On SW's side of the S&P 500 tape: AAPL (−7.0 pts), NVDA (−3.7 pts), VZ (−2.7 pts). Pulling the other way: MSFT (+11.3 pts), AMZN (+10.0 pts), PLTR (+2.8 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/SW, free to cite with attribution.

Compiled by the WMTMT attribution engine · updates every session · methodology