As of the close on October 22, 2026, Ionics Inc.'s stock has gained approximately 200.00% over the past 52 weeks. The 50-day moving average sits at 2.90, while the 200-day moving average is 1.59.
| 52-Week Price Change | 200.00% |
| 50-Day Moving Average | 2.90 |
| 200-Day Moving Average | 1.59 |
Ionics Inc.'s most recent stock split took place on June 13, 2012 with a 1:2 split ratio.
| Last Split Date | 6/13/2012 |
| Split Ratio | 1:2 |
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