Ionics, Inc. (PSE:ION)
1.040
-0.010 (-0.95%)
At close: Apr 28, 2026
Ionics Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Apr 28, 2026 | 1.05 | 1.05 | 1.02 | 1.04 | 1.04 | -0.95% | 430,000 |
| Apr 27, 2026 | 1.05 | 1.05 | 1.02 | 1.05 | 1.05 | - | 310,000 |
| Apr 24, 2026 | 1.06 | 1.06 | 1.04 | 1.05 | 1.05 | -0.94% | 226,000 |
| Apr 23, 2026 | 1.04 | 1.06 | 1.03 | 1.06 | 1.06 | 1.92% | 786,000 |
| Apr 22, 2026 | 1.05 | 1.07 | 1.03 | 1.04 | 1.04 | -0.95% | 1,008,000 |
| Apr 21, 2026 | 1.08 | 1.09 | 1.04 | 1.05 | 1.05 | -2.78% | 1,119,000 |
| Apr 20, 2026 | 1.05 | 1.10 | 1.05 | 1.08 | 1.08 | 3.85% | 3,411,000 |
| Apr 17, 2026 | 1.04 | 1.05 | 1.03 | 1.04 | 1.04 | - | 118,000 |
| Apr 16, 2026 | 1.05 | 1.05 | 1.04 | 1.04 | 1.04 | - | 358,000 |
| Apr 15, 2026 | 1.04 | 1.06 | 1.04 | 1.04 | 1.04 | - | 99,000 |
| Apr 14, 2026 | 1.03 | 1.05 | 1.03 | 1.04 | 1.04 | 0.97% | 154,000 |
| Apr 13, 2026 | 1.05 | 1.07 | 1.03 | 1.03 | 1.03 | -1.90% | 225,000 |
| Apr 10, 2026 | 1.05 | 1.05 | 1.04 | 1.05 | 1.05 | 0.96% | 168,000 |
| Apr 8, 2026 | 1.05 | 1.06 | 1.04 | 1.04 | 1.04 | - | 95,000 |
| Apr 7, 2026 | 1.06 | 1.06 | 1.03 | 1.04 | 1.04 | -1.89% | 287,000 |
| Apr 6, 2026 | 1.06 | 1.07 | 1.06 | 1.06 | 1.06 | -0.93% | 170,000 |
| Apr 1, 2026 | 1.05 | 1.07 | 1.03 | 1.07 | 1.07 | 1.90% | 510,000 |
| Mar 31, 2026 | 1.04 | 1.05 | 1.02 | 1.05 | 1.05 | 0.96% | 220,000 |
| Mar 30, 2026 | 1.05 | 1.05 | 1.03 | 1.04 | 1.04 | -0.95% | 99,000 |
| Mar 27, 2026 | 1.04 | 1.05 | 1.03 | 1.05 | 1.05 | 1.94% | 150,000 |
| Mar 26, 2026 | 1.04 | 1.08 | 1.03 | 1.03 | 1.03 | -0.96% | 117,000 |
| Mar 25, 2026 | 1.04 | 1.05 | 1.04 | 1.04 | 1.04 | - | 176,000 |
| Mar 24, 2026 | 1.03 | 1.06 | 1.02 | 1.04 | 1.04 | 0.97% | 218,000 |
| Mar 23, 2026 | 1.07 | 1.07 | 1.03 | 1.03 | 1.03 | -4.63% | 831,000 |
| Mar 19, 2026 | 1.07 | 1.10 | 1.06 | 1.08 | 1.08 | - | 453,000 |
| Mar 18, 2026 | 1.11 | 1.11 | 1.07 | 1.08 | 1.08 | -2.70% | 1,062,000 |
| Mar 17, 2026 | 1.13 | 1.13 | 1.10 | 1.11 | 1.11 | -1.77% | 401,000 |
| Mar 16, 2026 | 1.16 | 1.16 | 1.10 | 1.13 | 1.13 | -2.59% | 702,000 |
| Mar 13, 2026 | 1.17 | 1.18 | 1.14 | 1.16 | 1.16 | -1.69% | 473,000 |
| Mar 12, 2026 | 1.18 | 1.18 | 1.16 | 1.18 | 1.18 | - | 474,000 |
| Mar 11, 2026 | 1.18 | 1.18 | 1.16 | 1.18 | 1.18 | - | 818,000 |
| Mar 10, 2026 | 1.13 | 1.18 | 1.13 | 1.18 | 1.18 | 7.27% | 2,377,000 |
| Mar 9, 2026 | 1.14 | 1.15 | 1.09 | 1.10 | 1.10 | -4.35% | 1,759,000 |
| Mar 6, 2026 | 1.15 | 1.16 | 1.13 | 1.15 | 1.15 | - | 240,000 |
| Mar 5, 2026 | 1.15 | 1.16 | 1.11 | 1.15 | 1.15 | - | 666,000 |
| Mar 4, 2026 | 1.16 | 1.17 | 1.13 | 1.15 | 1.15 | - | 1,272,000 |
| Mar 3, 2026 | 1.14 | 1.16 | 1.12 | 1.15 | 1.15 | 2.68% | 1,241,000 |
| Mar 2, 2026 | 1.12 | 1.12 | 1.09 | 1.12 | 1.12 | -0.88% | 528,000 |
| Feb 27, 2026 | 1.11 | 1.13 | 1.11 | 1.13 | 1.13 | 0.89% | 170,000 |
| Feb 26, 2026 | 1.12 | 1.12 | 1.10 | 1.12 | 1.12 | - | 75,000 |
| Feb 25, 2026 | 1.12 | 1.12 | 1.10 | 1.12 | 1.12 | - | 519,000 |
| Feb 24, 2026 | 1.13 | 1.14 | 1.11 | 1.12 | 1.12 | -0.88% | 465,000 |
| Feb 23, 2026 | 1.09 | 1.13 | 1.09 | 1.13 | 1.13 | 3.67% | 854,000 |
| Feb 20, 2026 | 1.08 | 1.10 | 1.08 | 1.09 | 1.09 | 0.93% | 124,000 |
| Feb 19, 2026 | 1.09 | 1.09 | 1.07 | 1.08 | 1.08 | - | 185,000 |
| Feb 18, 2026 | 1.07 | 1.08 | 1.06 | 1.08 | 1.08 | -0.92% | 200,000 |
| Feb 16, 2026 | 1.11 | 1.12 | 1.07 | 1.09 | 1.09 | -2.68% | 306,000 |
| Feb 13, 2026 | 1.11 | 1.13 | 1.10 | 1.12 | 1.12 | - | 161,000 |
| Feb 12, 2026 | 1.09 | 1.12 | 1.06 | 1.12 | 1.12 | 4.67% | 464,000 |
| Feb 11, 2026 | 1.10 | 1.10 | 1.07 | 1.07 | 1.07 | -1.83% | 205,000 |
| Feb 10, 2026 | 1.10 | 1.10 | 1.08 | 1.09 | 1.09 | -0.91% | 148,000 |
| Feb 9, 2026 | 1.10 | 1.10 | 1.08 | 1.10 | 1.10 | - | 116,000 |
| Feb 6, 2026 | 1.09 | 1.10 | 1.09 | 1.10 | 1.10 | 0.92% | 111,000 |
| Feb 5, 2026 | 1.08 | 1.09 | 1.06 | 1.09 | 1.09 | 0.93% | 238,000 |
| Feb 4, 2026 | 1.09 | 1.09 | 1.06 | 1.08 | 1.08 | -0.92% | 218,000 |
| Feb 3, 2026 | 1.08 | 1.09 | 1.07 | 1.09 | 1.09 | 0.93% | 158,000 |
| Feb 2, 2026 | 1.08 | 1.09 | 1.06 | 1.08 | 1.08 | 0.93% | 534,000 |
| Jan 30, 2026 | 1.02 | 1.08 | 1.02 | 1.07 | 1.07 | 4.90% | 945,000 |
| Jan 29, 2026 | 1.03 | 1.05 | 1.01 | 1.02 | 1.02 | -0.97% | 1,117,000 |
| Jan 28, 2026 | 1.06 | 1.06 | 1.03 | 1.03 | 1.03 | -3.74% | 1,361,000 |
| Jan 27, 2026 | 1.08 | 1.08 | 1.03 | 1.07 | 1.07 | -1.83% | 1,634,000 |
| Jan 26, 2026 | 1.12 | 1.12 | 1.06 | 1.09 | 1.09 | -3.54% | 2,304,000 |
| Jan 23, 2026 | 1.11 | 1.13 | 1.11 | 1.13 | 1.13 | - | 194,000 |
| Jan 22, 2026 | 1.13 | 1.13 | 1.11 | 1.13 | 1.13 | 0.89% | 632,000 |
| Jan 21, 2026 | 1.12 | 1.15 | 1.10 | 1.12 | 1.12 | -1.75% | 329,000 |
| Jan 20, 2026 | 1.15 | 1.16 | 1.13 | 1.14 | 1.14 | -0.87% | 486,000 |
| Jan 19, 2026 | 1.13 | 1.16 | 1.13 | 1.15 | 1.15 | 1.77% | 1,015,000 |
| Jan 16, 2026 | 1.14 | 1.14 | 1.11 | 1.13 | 1.13 | -0.88% | 311,000 |
| Jan 15, 2026 | 1.12 | 1.14 | 1.11 | 1.14 | 1.14 | 2.70% | 901,000 |
| Jan 14, 2026 | 1.11 | 1.13 | 1.11 | 1.11 | 1.11 | - | 577,000 |
| Jan 13, 2026 | 1.09 | 1.11 | 1.09 | 1.11 | 1.11 | 1.83% | 596,000 |
| Jan 12, 2026 | 1.11 | 1.13 | 1.09 | 1.09 | 1.09 | -0.91% | 1,060,000 |
| Jan 9, 2026 | 1.12 | 1.13 | 1.07 | 1.10 | 1.10 | -0.90% | 532,000 |
| Jan 8, 2026 | 1.14 | 1.14 | 1.10 | 1.11 | 1.11 | -1.77% | 1,240,000 |
| Jan 7, 2026 | 1.08 | 1.14 | 1.08 | 1.13 | 1.13 | 4.63% | 4,001,000 |
| Jan 6, 2026 | 1.05 | 1.08 | 1.05 | 1.08 | 1.08 | 1.89% | 864,000 |
| Jan 5, 2026 | 1.04 | 1.07 | 1.04 | 1.06 | 1.06 | 1.92% | 753,000 |
| Jan 2, 2026 | 1.05 | 1.05 | 1.00 | 1.04 | 1.04 | 1.96% | 311,000 |
| Dec 29, 2025 | 1.02 | 1.05 | 1.01 | 1.02 | 1.02 | 0.99% | 554,000 |
| Dec 26, 2025 | 1.00 | 1.02 | 1.00 | 1.01 | 1.01 | 1.00% | 165,000 |
| Dec 23, 2025 | 1.02 | 1.02 | 1.00 | 1.00 | 1.00 | -0.99% | 385,000 |
| Dec 22, 2025 | 1.01 | 1.02 | 1.00 | 1.01 | 1.01 | 1.00% | 168,000 |
| Dec 19, 2025 | 0.99 | 1.02 | 0.99 | 1.00 | 1.00 | - | 221,000 |
| Dec 18, 2025 | 1.01 | 1.02 | 1.00 | 1.00 | 1.00 | - | 414,000 |
| Dec 17, 2025 | 1.04 | 1.04 | 1.00 | 1.00 | 1.00 | -3.85% | 777,000 |
| Dec 16, 2025 | 1.04 | 1.04 | 1.02 | 1.04 | 1.04 | - | 276,000 |
| Dec 15, 2025 | 1.03 | 1.04 | 1.02 | 1.04 | 1.04 | 0.97% | 97,000 |
| Dec 12, 2025 | 1.03 | 1.03 | 1.01 | 1.03 | 1.03 | 0.98% | 201,000 |
| Dec 11, 2025 | 1.03 | 1.03 | 1.02 | 1.02 | 1.02 | -0.97% | 197,000 |
| Dec 10, 2025 | 1.02 | 1.04 | 1.02 | 1.03 | 1.03 | -1.90% | 245,000 |
| Dec 9, 2025 | 1.06 | 1.07 | 1.00 | 1.05 | 1.05 | -0.94% | 1,469,000 |
| Dec 5, 2025 | 1.05 | 1.06 | 1.04 | 1.06 | 1.06 | - | 122,000 |
| Dec 4, 2025 | 1.06 | 1.06 | 1.05 | 1.06 | 1.06 | -1.85% | 129,000 |
| Dec 3, 2025 | 1.08 | 1.08 | 1.06 | 1.08 | 1.08 | - | 82,000 |
| Dec 2, 2025 | 1.07 | 1.08 | 1.06 | 1.08 | 1.08 | - | 139,000 |
| Dec 1, 2025 | 1.07 | 1.08 | 1.05 | 1.08 | 1.08 | 2.86% | 190,000 |
| Nov 28, 2025 | 1.05 | 1.07 | 1.03 | 1.05 | 1.05 | -1.87% | 268,000 |
| Nov 27, 2025 | 1.06 | 1.07 | 1.05 | 1.07 | 1.07 | 0.94% | 209,000 |
| Nov 26, 2025 | 1.05 | 1.08 | 1.05 | 1.06 | 1.06 | 1.92% | 645,000 |
| Nov 25, 2025 | 1.06 | 1.06 | 1.02 | 1.04 | 1.04 | -1.89% | 913,000 |