PTGX: Protagonist Therapeutics Inc.

As of Tuesday, October 13th, 2026

$ 138.49

-6.39 -4.41%

Open: 146.00
High: 146.00
Low: 137.81
Volume: 1,031,840
Previous Close on Monday, October 12th, 2026

$ 144.88

+1.15 +0.80%

Open: 145.83
High: 152.19
Low: 143.69
Volume: 898,514

Historical Data

Date Open High Low Close Volume Chg %Chg
2026-10-13 146.00 146.00 137.81 138.49 1,031,839 -6.39 -4.41
2026-10-12 145.83 152.19 143.69 144.88 898,514 +1.15 +0.80
2026-10-09 139.91 146.30 138.95 143.73 76,051 +3.82 +2.73
2026-10-08 139.57 142.18 137.99 139.91 998,126 -1.01 -0.72
2026-10-07 137.34 144.10 137.25 140.92 927,258 +2.23 +1.61
2026-10-06 140.34 141.00 136.09 138.69 632,749 -1.94 -1.38
2026-10-05 139.96 142.51 138.08 140.63 872,795 +0.57 +0.41
2026-10-02 140.99 141.71 138.37 140.06 646,499 +0.87 +0.63
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Metrics and Technicals

Period High Low Chg %Chg Max Drawdown SMA
Peak Trough %Loss
Period High Low Chg %Chg MDD SMA
5D 152.19
On 2026-10-12		 137.25
On 2026-10-07		 -0.20 -0.14 152.19
On 2026-10-12		 137.81
On 2026-10-13		 -9.45 141.59
10D 152.19
On 2026-10-12		 136.09
On 2026-10-06		 -2.48 -1.76 152.19
On 2026-10-12		 137.81
On 2026-10-13		 -9.45 140.74
20D 152.19
On 2026-10-12		 134.10
On 2026-09-24		 -4.91 -3.42 152.19
On 2026-10-12		 137.81
On 2026-10-13		 -9.45 141.41
WTD 152.19
On 2026-10-12		 137.81
On 2026-10-13		 -5.24 -3.65 152.19
On 2026-10-12		 137.81
On 2026-10-13		 -9.45 141.69
MTD 152.19
On 2026-10-12		 136.09
On 2026-10-06		 -2.40 -1.70 152.19
On 2026-10-12		 137.81
On 2026-10-13		 -9.45 140.72
As of Tuesday, October 13th, 2026
 
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Recent
Ticker Last Chg %Chg Volume
PTGX

Protagonist Therapeutics Inc.

138.49 -6.39 -4.41 1,031,840