stockNASDAQ: PTGX • 3 Months Updates

Protagonist Therapeutics Inc. (PTGX) 3 Months

Showing Closing Date Range from Jul 25 to Oct 23, 2026.

Price & Performance Trajectory

Protagonist Therapeutics Inc.NASDAQ: PTGX

Latest Close
$138.43
+2.12%
3 Months Updates Trajectory
Showing Closing Date Range from Jul 25 to Oct 23, 2026.
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Click metric scorecards below to toggle price, return %, range & volume curvesPTGX session performance
✓ Latest Close USD
$138.43
Latest session close
+$2.87vs period start
Period Return % % GAIN
+2.12%
Net period trajectory
Cumulative ReturnNormalized
High / Low Range SPREAD
$160.81 / $126.39
Period range envelope
$34.42channel spread
Total Volume SHARES
38.63M
Period turnover
Avg: 633.3K/dLiquidity

Historical Session Ledger

Daily open, high, low, and close prices with volume and period returns.

Historical Quotes & Breakdown(61 dates)
DateClose (USD)Return %HighLowVolume
Oct 23, 2026$138.43-0.79% $139.52$135.00408.9K
Oct 22, 2026$139.53+1.05% $141.38$136.07382.0K
Oct 21, 2026$138.08+0.07% $141.85$138.03989.9K
Oct 20, 2026$137.99+2.64% $140.82$134.33764.4K
Oct 19, 2026$134.44+4.42% $134.97$128.01654.2K
Oct 16, 2026$128.75-5.71% $136.56$126.39886.7K
Oct 15, 2026$136.55+0.20% $139.08$136.03697.4K
Oct 14, 2026$136.28-1.60% $141.13$135.62679.0K
Oct 13, 2026$138.49-4.41% $146.00$137.881.03M
Oct 12, 2026$144.88+0.80% $152.19$143.69891.6K
Oct 09, 2026$143.73+2.73% $146.30$138.95760.5K
Oct 08, 2026$139.91-0.72% $142.18$137.99999.8K
Oct 07, 2026$140.92+1.61% $144.10$137.25927.3K
Oct 06, 2026$138.69-1.38% $141.00$136.09632.8K
Oct 05, 2026$140.63+0.41% $142.51$138.081.27M
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