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Prothena Corporation Plc Stock (PRTA) Option Chain

For the January 16, 2026 expiration date, the PRTA stock option chain has a total of 41 contracts, with 31 call options and 10 put options. This indicates a leaning towards calls, suggesting bullish sentiment.
Other Key Expiration Dates:
  • February 20, 2026 : 10 contracts.
  • March 20, 2026 : 0 contracts.
  • June 18, 2026 : 0 contracts.
  • January 15, 2027 : 0 contracts.
  • January 21, 2028 : 0 contracts.

Prothena Corporation Plc (PRTA) Most Active Options & Calendar

PRTA Call Options Expiring January 16, 2026

Strike Price Change % Change Volume
favorite 9.00 0.50 0.20 +66.67% 30
favorite 2.50 6.90 2.90 +72.50% 1
favorite 4.00 0.00 0.00 - -
favorite 5.00 5.20 0.00 - -
favorite 6.00 0.00 0.00 - -
favorite 7.50 2.15 0.00 - -
favorite 10.00 0.05 0.00 - -

PRTA Put Options Expiring January 16, 2026

Strike Price Change % Change Volume
favorite
9.00
0.24 -0.06 -20.00% 10
favorite
2.50
0.05 0.00 - -
favorite
4.00
0.00 0.00 - -
favorite
5.00
0.65 0.00 - -
favorite
6.00
0.00 0.00 - -
favorite
7.50
0.10 0.00 - -
favorite
10.00
0.60 0.00 - -

Prothena Corporation Plc Stock (PRTA) Option Chain Analysis

Put Volume Total 10
Call Volume Total 31
Put/Call Ratio (PCR) 0.32
Put Strike With Highest Volume $9.00
Call Strike With Highest Volume $9.00
$41.26
price up icon 1.43%
$33.87
price up icon 2.31%
$110.95
price up icon 3.98%
$99.37
price up icon 1.26%
biotechnology ONC
$333.13
price up icon 3.91%
$177.81
price up icon 1.21%
Cap:     |  Volume (24h):