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PTGX Stock Price

Latest$139.42
PTGX Close Price · excl. div ($11.57 → $139.42 · CAGR +27.7%)
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PTGX stock price history

Daily history. Dates identify market observations.

Protagonist Therapeutics Inc Stock Price — Daily history
DateStock Price
77
79
87
67
67
67
65
65
64
65
65
65
65
64
66
65
67
65
65
65
66
65
65
62
62
62
62
59
59
58
59
60
60
60
58
58
56
61
60
60
60
58
59
59
58
58
58
58
61
57
57
57
56
56
56
56
56
56
56
55
55
55
57
55
54
51
51
51
51
54
54
54
54
54
54
54
55
55
56
55
54
54
54
54
55
55
55
56
56
56
57
55
55
53
53
53
53
52
50
50
Data is provided for informational purposes only and does not constitute investment advice. Past performance is not indicative of future results.