NASDAQ : OPTH
-$0.21 (-4.42%)
| Date | Opening Price | Closing Price | %Chg | Volume |
|---|---|---|---|---|
| 2026-07-22 | $4.70 | $4.54 | -3.40% | 16834 |
| 2026-07-21 | $4.80 | $4.75 | -1.04% | 14049 |
| 2026-07-20 | $4.99 | $4.79 | -4.01% | 39104 |
| 2026-07-17 | $5.00 | $5.01 | 0.20% | 47600 |
| 2026-07-16 | $4.89 | $4.96 | 1.43% | 124.85K |
| 2026-07-15 | $4.30 | $4.74 | 10.23% | 140.2K |
| 2026-07-14 | $4.75 | $4.11 | -13.47% | 266.5K |
| 2026-07-13 | $4.51 | $4.62 | 2.44% | 12900 |
| 2026-07-10 | $4.68 | $4.59 | -1.92% | 10673 |
| 2026-07-09 | $4.59 | $4.57 | -0.44% | 8610 |
| 2026-07-08 | $4.56 | $4.54 | -0.44% | 8930 |
| 2026-07-07 | $4.75 | $4.64 | -2.32% | 35958 |
| 2026-07-06 | $5.16 | $4.87 | -5.62% | 49968 |
| 2026-07-02 | $4.85 | $4.88 | 0.62% | 69520 |
| 2026-07-01 | $5.03 | $5.00 | -0.60% | 273.4K |
| 2026-06-30 | $4.57 | $5.09 | 11.38% | 240.55K |
| 2026-06-29 | $4.15 | $4.45 | 7.23% | 89481 |
| 2026-06-26 | $4.07 | $4.09 | 0.49% | 340.1K |
| 2026-06-25 | $4.05 | $4.06 | 0.25% | 121.61K |
| 2026-06-24 | $4.21 | $4.01 | -4.75% | 11417 |
| 2026-06-23 | $4.10 | $4.17 | 1.71% | 29800 |
| 2026-06-22 | $5.00 | $4.24 | -15.20% | 168.4K |
| 2026-06-18 | $4.60 | $5.03 | 9.35% | 651.3K |
| 2026-06-17 | $4.41 | $4.36 | -1.13% | 101.53K |
| 2026-06-16 | $4.74 | $4.19 | -11.60% | 115.72K |
| 2026-06-15 | $4.55 | $4.81 | 5.71% | 134.07K |
| 2026-06-12 | $4.54 | $4.55 | 0.22% | 264.96K |
| 2026-06-11 | $4.67 | $4.06 | -13.06% | 106.53K |
| 2026-06-10 | $4.90 | $4.67 | -4.69% | 154.24K |
| 2026-06-09 | $5.15 | $4.92 | -4.47% | 141.52K |
| 2026-06-08 | $5.27 | $5.16 | -2.09% | 483.01K |
| 2026-06-05 | $5.66 | $4.64 | -18.02% | 188.85K |
| 2026-06-04 | $5.65 | $5.64 | -0.18% | 43672 |
| 2026-06-03 | $6.00 | $5.67 | -5.50% | 191.1K |
| 2026-06-02 | $5.73 | $5.85 | 2.09% | 301.3K |
| 2026-06-01 | $5.85 | $5.64 | -3.59% | 60000 |
| 2026-05-29 | $5.70 | $5.97 | 4.74% | 145.78K |
| 2026-05-28 | $5.57 | $5.65 | 1.44% | 25466 |
| 2026-05-27 | $5.82 | $5.51 | -5.33% | 21550 |
| 2026-05-26 | $5.80 | $5.71 | -1.55% | 114.04K |
| 2026-05-22 | $5.45 | $5.85 | 7.34% | 478.04K |
| 2026-05-21 | $5.51 | $5.70 | 3.45% | 468.58K |
| 2026-05-20 | $5.50 | $6.08 | 10.55% | 2.24M |
| 2026-05-19 | $7.08 | $7.06 | -0.28% | 5950 |
| 2026-05-18 | $7.12 | $7.12 | 0.00% | 235 |
| 2026-05-15 | $6.80 | $7.14 | 5.00% | 923 |
| 2026-05-14 | $6.90 | $7.00 | 1.45% | 949 |
| 2026-05-13 | $7.11 | $6.88 | -3.23% | 703 |
| 2026-05-12 | $7.25 | $6.99 | -3.59% | 700 |
| 2026-05-11 | $7.60 | $7.36 | -3.16% | 1464 |
| 2026-05-08 | $5.16 | $7.44 | 44.19% | 817 |
| 2026-05-07 | $7.28 | $7.14 | -1.92% | 1180 |
| 2026-05-06 | $7.02 | $7.17 | 2.14% | 67 |
| 2026-05-05 | $6.89 | $6.90 | 0.15% | 242 |
| 2026-05-04 | $8.30 | $6.65 | -19.88% | 5138 |
| 2026-05-01 | $7.50 | $7.50 | 0.00% | 778 |
| 2026-04-30 | $7.80 | $8.10 | 3.85% | 712 |
| 2026-04-29 | $7.50 | $7.78 | 3.73% | 2532 |
| 2026-04-28 | $7.55 | $7.50 | -0.66% | 2591 |
| 2026-04-27 | $8.04 | $7.59 | -5.60% | 1539 |
| 2026-04-24 | $8.72 | $7.93 | -9.06% | 2223 |
| 2026-04-23 | $8.02 | $8.49 | 5.86% | 2011 |
| 2026-04-22 | $8.12 | $8.04 | -0.99% | 1028 |
| 2026-04-21 | $7.80 | $7.95 | 1.92% | 6479 |
| 2026-04-20 | $7.14 | $7.89 | 10.50% | 10133 |
| 2026-04-17 | $6.44 | $6.51 | 1.09% | 51 |
| 2026-04-16 | $6.59 | $6.80 | 3.19% | 320 |
| 2026-04-15 | $6.86 | $6.66 | -2.92% | 583 |
| 2026-04-14 | $6.53 | $6.84 | 4.75% | 657 |
| 2026-04-13 | $6.52 | $6.69 | 2.61% | 150 |
| 2026-04-10 | $6.51 | $6.53 | 0.31% | 283 |
| 2026-04-09 | $5.85 | $6.81 | 16.41% | 237 |
| 2026-04-08 | $6.59 | $6.30 | -4.40% | 133 |
| 2026-04-07 | $6.60 | $6.45 | -2.27% | 203 |
| 2026-04-06 | $6.60 | $6.55 | -0.76% | 1833 |
| 2026-04-02 | $6.02 | $6.02 | 0.00% | 1833 |
| 2026-04-01 | $6.27 | $6.27 | 0.00% | 1833 |
| 2026-03-31 | $6.26 | $6.27 | 0.16% | 2167 |
| 2026-03-30 | $6.22 | $6.22 | 0.00% | 340 |
| 2026-03-27 | $6.21 | $6.21 | 0.00% | 340 |
| 2026-03-26 | $5.95 | $6.19 | 4.03% | 347 |
| 2026-03-25 | $5.95 | $6.12 | 2.86% | 833 |
| 2026-03-24 | $6.20 | $5.97 | -3.71% | 833 |
| 2026-03-23 | $6.20 | $6.20 | 0.00% | 2218 |
| 2026-03-20 | $6.40 | $6.40 | 0.00% | 983 |
| 2026-03-19 | $6.36 | $6.40 | 0.63% | 983 |
| 2026-03-18 | $6.81 | $6.81 | 0.00% | 983 |
| 2026-03-17 | $6.12 | $6.81 | 11.27% | 2088 |
| 2026-03-16 | $6.70 | $5.74 | -14.33% | 325 |
| 2026-03-13 | $6.54 | $6.54 | 0.00% | 3217 |