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PTGX Stock Price

Latest$138.43
PTGX Close Price · excl. div ($11.57 → $138.43 · CAGR +27.5%)
High-resolution chart · PNG

PTGX stock price history

Daily history. Dates identify market observations.

Protagonist Therapeutics Inc Stock Price — Daily history
DateStock Price
31
29
24
26
26
22
21
22
24
21
20
24
21
22
22
24
22
22
21
19
20
21
21
21
20
22
20
21
22
21
16
18
16
15
17
16
18
19
17
16
16
17
16
16
14
7
7
7
7
6
6
6
8
8
8
9
8
8
8
8
7
7
7
7
7
7
8
9
9
11
10
13
12
12
11
12
13
14
15
16
13
13
10
9
10
12
13
13
13
12
12
12
12
10
11
11
11
10
10
10
Data is provided for informational purposes only and does not constitute investment advice. Past performance is not indicative of future results.