Protagenic Therapeutics, Inc. (PTIX)
OTCMKTS · Delayed Price · Currency is USD
0.5300
-0.040075 (-7.03%)
At close: Apr 2, 2026

Protagenic Therapeutics Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Apr 2, 20260.570.720.520.530.53-7.03%7,284
Apr 1, 20260.520.680.520.570.57-15.85%1,311
Mar 31, 20260.630.730.630.680.688.40%3,561
Mar 30, 20260.590.680.590.630.6320.19%1,464
Mar 27, 20260.690.740.520.520.52-30.67%1,220
Mar 26, 20260.500.750.500.750.757.14%6,238
Mar 25, 20260.720.760.600.700.70-12,865
Mar 24, 20260.700.700.700.700.70-2.78%354
Mar 23, 20260.680.720.680.720.729.09%457
Mar 20, 20260.620.730.620.660.666.45%5,422
Mar 19, 20260.700.730.620.620.62-10.79%3,408
Mar 18, 20260.560.710.560.700.7028.11%23,594
Mar 17, 20260.550.560.540.540.5410.69%2,202
Mar 12, 20260.520.520.490.490.49-2,327
Mar 10, 20260.450.600.450.490.4916.39%20,322
Mar 9, 20260.450.540.420.420.42-4,570
Mar 5, 20260.420.450.420.420.42-15.78%7,461
Mar 3, 20260.450.500.450.500.5010.94%2,974
Mar 2, 20260.450.470.450.450.45-3.08%6,549
Feb 27, 20260.450.470.450.470.47-1,989
Feb 26, 20260.450.500.450.470.4713.94%16,276
Feb 25, 20260.390.470.380.410.41-3.95%31,539
Feb 24, 20260.460.460.420.420.42-5.58%11,474
Feb 23, 20260.430.500.430.450.457.02%5,735
Feb 20, 20260.420.420.420.420.42-10.95%405
Feb 19, 20260.390.510.350.470.4712.43%11,924
Feb 18, 20260.350.490.350.420.4220.00%7,748
Feb 17, 20260.400.400.350.350.35-12.50%3,193
Feb 13, 20260.400.400.400.400.40-15.29%9,026
Feb 12, 20260.460.470.250.470.47-3.63%41,799
Feb 11, 20260.420.490.420.490.4928.95%12,731
Feb 10, 20260.510.510.360.380.38-4.45%8,578
Feb 9, 20260.340.470.340.400.40-0.58%2,989
Feb 6, 20260.400.410.370.400.40-0.67%17,760
Feb 5, 20260.470.500.400.400.40-17.80%6,713
Feb 4, 20260.450.510.310.490.490.39%17,830
Feb 3, 20260.470.490.470.490.49-0.41%14,683
Feb 2, 20260.470.510.470.490.492.85%28,913
Jan 30, 20260.300.480.300.480.48-4.72%1,389
Jan 29, 20260.420.500.320.500.50-3.66%3,605
Jan 28, 20260.450.550.360.520.52-4.91%14,594
Jan 27, 20260.500.570.500.550.5518.65%8,616
Jan 26, 20260.450.570.450.460.46-19.86%21,953
Jan 23, 20260.550.570.440.570.57-0.35%2,431
Jan 22, 20260.440.590.440.580.5833.95%10,889
Jan 21, 20260.500.570.430.430.43-14.12%6,114
Jan 20, 20260.530.540.410.500.50-15.14%5,336
Jan 16, 20260.630.650.540.590.599.26%6,379
Jan 15, 20260.590.590.540.540.54-8.86%2,026
Jan 14, 20260.620.650.510.590.59-3.66%6,631