SPX to USD — 30 Day History

Over the past 30 days, SPX to USD ranged between 0.453892 and 0.607373, averaging 0.530777 across 24 daily closes from 2026-08-23 to 2026-09-15. The rate closed higher than the previous day on 8 of those days, lower on 15, and unchanged on 0.

The largest single-day move in this window was on 2026-08-26, when SPX to USD moved 18.04% higher against the previous close.

Net of the moves in between, SPX to USD is down 0.62% from 2026-08-23 to 2026-09-15 -- the first and last closes in this 30-day table. The full high-to-low span over that time is 0.153481 USD per SPX, across 24 rows of daily open, high, low and close figures in the table below.

The window's high of 0.672911 was set on 2026-09-04, and its low of 0.439251 on 2026-08-23. Day to day, SPX to USD moved an average of 5.44% in either direction across 23 consecutive closes -- a wide high-to-low span can come from one jump or from steady drift, and this is which. The most recent close sits 11.69% of the way up that range.