82.34
price up icon0.09%   0.07
after-market After Hours: 82.40 0.06 +0.07%
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Protagonist Therapeutics Inc Stock (PTGX) Option Chain

For the January 16, 2026 expiration date, the PTGX stock option chain has a total of 307 contracts, with 283 call options and 24 put options. This indicates a leaning towards calls, suggesting bullish sentiment.
Other Key Expiration Dates:
  • February 20, 2026 : 12 contracts.
  • March 20, 2026 : 33 contracts.
  • April 17, 2026 : 0 contracts.
  • July 17, 2026 : 23 contracts.

Protagonist Therapeutics Inc (PTGX) Most Active Options & Calendar

PTGX Call Options Expiring January 16, 2026

Strike Price Change % Change Volume
favorite 85.00 2.75 0.09 +3.38% 145
favorite 90.00 1.10 -0.35 -24.14% 96
favorite 80.00 3.60 -5.76 -61.54% 33
favorite 50.00 31.50 20.45 +185.07% 5
favorite 110.00 0.30 0.00 - 4
favorite 22.50 0.00 0.00 - -
favorite 25.00 0.00 0.00 - -

PTGX Put Options Expiring January 16, 2026

Strike Price Change % Change Volume
favorite
80.00
2.65 0.75 +39.47% 18
favorite
75.00
1.50 0.30 +25.00% 6
favorite
22.50
0.00 0.00 - -
favorite
25.00
0.00 0.00 - -
favorite
30.00
0.00 0.00 - -
favorite
35.00
0.00 0.00 - -
favorite
40.00
0.00 0.00 - -

Protagonist Therapeutics Inc Stock (PTGX) Option Chain Analysis

Put Volume Total 24
Call Volume Total 283
Put/Call Ratio (PCR) 0.08
Put Strike With Highest Volume $80.00
Call Strike With Highest Volume $85.00
$102.71
price up icon 28.63%
$33.90
price up icon 2.42%
$110.57
price up icon 3.67%
$100.08
price up icon 2.03%
biotechnology ONC
$333.87
price up icon 4.22%
$176.00
price up icon 0.53%
Cap:     |  Volume (24h):