PTGX

Protagonist Therapeutics, Inc.

Healthcare · USD

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Price alert · PTGX

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144.85 USD +0.51 +0.35%
As of Oct 30, 2026 Extended hours 144.85 0.00%
Bid
144.84 × 2
Ask
144.91 × 2
142.54 Day range 146.00
75.95 52-week range 158.62
YTD
+65.85%
1 year
+86.06%
Open
144.34
Prev close
144.34
Mkt cap
9.37B
Vol
322.57K
Avg vol
648.58K
EPS
1.03
P/E
140.63
Div yield
0.00%
More statistics
Low
142.54
High
146.00
Forward P/E
-1459.30
Beta
1.52
Short ratio
12.29
Inst. own
119.68%
Dividend
0.00
Ex-div date
Earnings
Nov 5, 2026
50-d avg
143.05
200-d avg
116.32
1y target
178.57

5D chart

Chart tools
Interval
PTGX five-day price chart135.0137.9140.7143.6146.4Oct 23Oct 26Oct 27Oct 28Oct 29

PTGX options

PTGX option chain
CallsStrikePuts
BidAskLast% ChgVolumeOpen intImpl volBidAskLast% ChgVolumeOpen intImpl vol
23.00 27.80 13.00 0.00% 1 1 53.9%120.00 — — — — — — —
— — — — — — —125.00 0.00 4.90 5.20 0.00% 13 14 71.0%
14.50 18.60 10.50 0.00% 10 10 50.6%130.00 0.00 4.90 3.55 0.00% — 15 58.7%
10.50 14.50 3.61 0.00% 1 35 65.1%135.00 2.20 3.10 2.95 -44.76% 10 11 51.9%
7.00 11.20 7.00 0.00% 15 34 62.8%140.00 2.20 6.40 5.00 -11.50% 5 15 63.2%
4.10 8.70 3.60 0.00% 1 59 63.3%145.00 5.60 8.00 8.70 0.00% — 10 57.2%
2.00 6.00 4.50 0.00% 1 11 59.0%150.00 7.00 11.40 10.90 0.00% — 5 60.9%
0.50 4.90 2.10 0.00% 1 3 63.4%155.00 — — — — — — —
0.55 4.90 1.10 0.00% 1 18 56.0%160.00 — — — — — — —
0.90 1.45 1.00 0.00% 10 1 51.7%165.00 — — — — — — —
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