Protagenic Therapeutics I...

NASDAQ: PTIX · Real-Time Price · USD
2.92
-0.15 (-4.89%)
At close: Aug 15, 2025, 3:59 PM
2.88
-1.41%
After-hours: Aug 15, 2025, 07:55 PM EDT

PTIX Stock Price History

Historical Data

Date Open High Low Close Adj Close % Change Volume
Aug 15, 2025 3.15 3.15 2.86 2.93 2.93 -4.56% 67,838
Aug 14, 2025 2.78 3.24 2.66 3.07 3.07 10.43% 494,700
Aug 13, 2025 2.70 2.81 2.66 2.78 2.78 1.09% 96,500
Aug 12, 2025 2.76 2.78 2.60 2.75 2.75 -1.79% 38,886
Aug 11, 2025 2.75 2.86 2.75 2.80 2.80 -1.06% 19,841
Aug 8, 2025 2.72 2.94 2.72 2.83 2.83 0.35% 41,539
Aug 7, 2025 2.88 2.88 2.76 2.82 2.82 -2.08% 32,679
Aug 6, 2025 2.96 3.00 2.70 2.88 2.88 -5.26% 113,528
Aug 5, 2025 2.70 3.09 2.62 3.04 3.04 13.01% 194,717
Aug 4, 2025 2.72 2.74 2.67 2.69 2.69 -1.10% 43,200
Aug 1, 2025 2.84 2.90 2.67 2.72 2.72 -7.48% 90,100
Jul 31, 2025 3.25 3.25 2.90 2.94 2.94 -7.84% 92,231
Jul 30, 2025 3.06 3.22 3.00 3.19 3.19 3.91% 217,929
Jul 29, 2025 3.23 3.23 2.98 3.07 3.07 -6.40% 66,802
Jul 28, 2025 3.34 3.34 3.23 3.28 3.28 0.61% 34,195
Jul 25, 2025 3.27 3.30 3.25 3.26 3.26 0.62% 26,900
Jul 24, 2025 3.34 3.34 3.18 3.24 3.24 -3.86% 116,238
Jul 23, 2025 3.37 3.39 3.24 3.37 3.37 0.90% 151,677
Jul 22, 2025 3.25 3.35 3.13 3.34 3.34 5.03% 112,982
Jul 21, 2025 3.43 3.50 3.13 3.18 3.18 -7.02% 151,500