Become a Member
  • Track your favourite stocks
  • Create & monitor portfolios
  • Daily portfolio value
Sign Up
Quickpicks
Add shares to your
quickpicks to
display them here!

Prothena Corp (PRTA.US) Share Price History

Time period:
to
Date Open High Low Close Volume
19th Sep 2025 (Fri) 8.16 8.21 8.07 8.07 33,287
18th Sep 2025 (Thu) 8.21 8.34 8.06 8.18 22,443
17th Sep 2025 (Wed) 8.22 8.38 8.05 8.06 24,778
16th Sep 2025 (Tue) 8.21 8.36 8.15 8.16 32,942
15th Sep 2025 (Mon) 8.21 8.34 8.11 8.16 48,401
12th Sep 2025 (Fri) 8.44 8.46 8.21 8.21 47,236
11th Sep 2025 (Thu) 8.31 8.50 8.19 8.43 51,183
10th Sep 2025 (Wed) 8.39 8.45 8.21 8.305 46,004
9th Sep 2025 (Tue) 8.50 8.50 8.10 8.34 60,674
8th Sep 2025 (Mon) 8.48 8.62 8.31 8.49 58,318
5th Sep 2025 (Fri) 8.35 8.58 8.28 8.55 71,753
4th Sep 2025 (Thu) 8.38 8.415 8.11 8.21 90,088
3rd Sep 2025 (Wed) 8.25 8.47 8.16 8.39 77,440
2nd Sep 2025 (Tue) 8.17 8.42 8.10 8.27 67,981
1st Sep 2025 (Mon) 8.31 8.31 8.09 8.20 80,559
29th Aug 2025 (Fri) 8.31 8.31 8.09 8.20 80,559
28th Aug 2025 (Thu) 8.21 8.58 8.08 8.24 128,737
27th Aug 2025 (Wed) 8.55 8.71 8.44 8.56 52,222
26th Aug 2025 (Tue) 8.40 8.56 8.32 8.35 54,241
25th Aug 2025 (Mon) 8.73 8.75 8.36 8.38 42,057
22nd Aug 2025 (Fri) 8.58 8.97 8.55 8.77 79,898
21st Aug 2025 (Thu) 8.43 8.56 8.33 8.56 45,236
20th Aug 2025 (Wed) 8.49 8.59 8.295 8.52 46,486
19th Aug 2025 (Tue) 8.45 8.59 8.36 8.52 42,670
18th Aug 2025 (Mon) 8.42 8.64 8.35 8.53 55,926
15th Aug 2025 (Fri) 8.10 8.335 8.005 8.25 66,728
14th Aug 2025 (Thu) 7.965 8.11 7.80 8.06 57,709
13th Aug 2025 (Wed) 7.60 8.16 7.60 8.05 118,086
12th Aug 2025 (Tue) 7.845 7.94 7.505 7.54 72,182
11th Aug 2025 (Mon) 7.70 7.84 7.44 7.67 65,601
8th Aug 2025 (Fri) 7.72 7.935 7.66 7.69 77,091
7th Aug 2025 (Thu) 7.91 7.91 7.525 7.72 61,623
6th Aug 2025 (Wed) 7.45 8.01 7.29 7.92 153,304
5th Aug 2025 (Tue) 7.15 7.53 6.81 7.03 145,795
4th Aug 2025 (Mon) 6.82 6.98 6.70 6.94 75,051
1st Aug 2025 (Fri) 6.815 6.87 6.62 6.81 31,352
31st Jul 2025 (Thu) 6.88 7.22 6.84 6.87 78,229
30th Jul 2025 (Wed) 7.015 7.32 6.74 6.88 68,879
29th Jul 2025 (Tue) 6.85 7.10 6.85 6.93 37,237
28th Jul 2025 (Mon) 6.70 6.89 6.64 6.87 73,213
25th Jul 2025 (Fri) 6.65 6.85 6.60 6.68 40,666
24th Jul 2025 (Thu) 6.74 6.755 6.54 6.70 39,595
23rd Jul 2025 (Wed) 6.57 6.93 6.55 6.76 72,573
22nd Jul 2025 (Tue) 6.40 6.585 6.325 6.53 31,859
FTSE 100 Latest
Value9,221.69
Change5.02