Protagonist Therapeutics Inc. (PTGX)
Showing Closing Date Range from Jul 25 to Oct 23, 2026 compared to Apr 25 to Jul 24, 2026.
Compare Last 3 Months with Previous Period
Investor Relations:protagonist-inc.com
Current Period Close
$138.43
Jul 25, 2026 - Oct 23, 2026
Previous Period Close
$136.11
Apr 25, 2026 - Jul 24, 2026
Net Comparison Delta
+$2.32 (+1.70%)
Relative performance vs prior benchmark
Historical Quotes & Breakdown(61 dates)
| Current Date | Current Close | Previous Date | Previous Close | Delta (%) |
|---|---|---|---|---|
| Oct 23, 2026 | $138.43 | Jul 23, 2026 | $135.43 | +2.22% |
| Oct 22, 2026 | $139.53 | Jul 22, 2026 | $135.44 | +3.02% |
| Oct 21, 2026 | $138.08 | Jul 21, 2026 | $138.31 | -0.17% |
| Oct 20, 2026 | $137.99 | Jul 20, 2026 | $134.27 | +2.77% |
| Oct 19, 2026 | $134.44 | Jul 17, 2026 | $140.91 | -4.59% |
| Oct 16, 2026 | $128.75 | Jul 16, 2026 | $132.02 | -2.48% |
| Oct 15, 2026 | $136.55 | Jul 15, 2026 | $135.46 | +0.80% |
| Oct 14, 2026 | $136.28 | Jul 14, 2026 | $131.27 | +3.82% |
| Oct 13, 2026 | $138.49 | Jul 13, 2026 | $129.89 | +6.62% |
| Oct 12, 2026 | $144.88 | Jul 10, 2026 | $131.42 | +10.24% |
| Oct 09, 2026 | $143.73 | Jul 09, 2026 | $137.64 | +4.42% |
| Oct 08, 2026 | $139.91 | Jul 08, 2026 | $140.07 | -0.11% |
| Oct 07, 2026 | $140.92 | Jul 07, 2026 | $140.85 | +0.05% |
| Oct 06, 2026 | $138.69 | Jul 06, 2026 | $131.50 | +5.47% |
| Oct 05, 2026 | $140.63 | Jul 02, 2026 | $131.62 | +6.85% |
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