Try to follow these upcoming S&P 500 index changes...
https://finance.yahoo.com/news/gardner-denver-holdings-set-join-230200144.html

Summary for traders:
On or about 3 March 2020...
1. Ingersoll-Rand (NYSE:IR) will change its name and ticker to Trane Technologies plc (NYSE:TT)
2. Gardner Denver Holdings Inc. (NYSE:GDI) will change its name and ticker to Ingersoll-Rand (NYSE:IR)

There's sure to be an adjustment for the spinoff in the TT ("old" IR) data series.