Phathom Pharmaceuticals, Inc. (PHAT) Stock Price History
Historical prices from 2019 to 2026
- 1M
- -22.6%
- 3M
- -37.4%
- YTD
- -66.6%
- 1Y
- -59.7%
- 3Y
- -12.9%
- 5Y
- -25.4%
Loading 10-year price history...
PHAT Historical Performance
PHAT Annual Returns
Year-by-year price performance · 2019–2026
- 2019 annual price return
- +26.6%
- 2020 annual price return
- +11.1%
- 2021 annual price return
- -41.9%
- 2022 annual price return
- -43.8%
- 2023 annual price return
- -23.9%
- 2024 annual price return
- -11.5%
- 2025 annual price return
- +126.3%
- 2026 annual price return
- -53.9%
PHAT Stock Price Trajectory (2019–2026)
As of November 8, 2026, Phathom Pharmaceuticals, Inc. (PHAT) trades at $5.25, representing a -59.7% return over the past year. The stock has delivered a -76.8% total return over five years (-25.4% CAGR), reflecting challenging market conditions.
The stock reached its all-time high of $64.54 on June 8, 2020. From this peak, PHAT has corrected -91.9%, currently trading 49% below its 200-day moving average, suggesting potential weakness.
When compared to Healthcare sector peers ACAD (-1.9% 1Y), SUPN (-44.7% 1Y), and PRGO (+6.2% 1Y), PHAT has underperformed the peer group average. Compare PHAT vs ACAD →
PHAT Historical Price Data · from 2019
Rows 1–50 of 1,768| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-11-06 | 5.26 | 5.31 | 5.04 | 5.25 | 1.77M | +3.35% |
| 2026-11-05 | 5.70 | 5.71 | 5.05 | 5.08 | 1.55M | -10.56% |
| 2026-11-04 | 5.95 | 6.13 | 5.66 | 5.68 | 1.51M | -1.05% |
| 2026-11-03 | 5.92 | 6.11 | 5.50 | 5.74 | 2.16M | -3.04% |
| 2026-11-02 | 5.76 | 5.93 | 5.50 | 5.92 | 2.81M | +3.14% |
| 2026-10-30 | 6.32 | 6.32 | 5.59 | 5.74 | 1.62M | -7.72% |
| 2026-10-29 | 7.00 | 7.00 | 5.71 | 6.22 | 3.84M | -0.96% |
| 2026-10-28 | 5.94 | 6.43 | 5.85 | 6.28 | 2.08M | +4.84% |
| 2026-10-27 | 5.91 | 6.18 | 5.81 | 5.99 | 2.10M | +0.84% |
| 2026-10-26 | 5.70 | 6.06 | 5.70 | 5.94 | 2.11M | +3.48% |
| 2026-10-23 | 6.72 | 6.76 | 5.01 | 5.74 | 4.87M | -18.12% |
| 2026-10-22 | 7.04 | 7.22 | 6.97 | 7.01 | 812K | -0.28% |
| 2026-10-21 | 7.31 | 7.48 | 7.01 | 7.03 | 784K | -3.83% |
| 2026-10-20 | 7.04 | 7.40 | 6.96 | 7.31 | 724K | +4.28% |
| 2026-10-19 | 6.88 | 7.05 | 6.78 | 7.01 | 1.02M | +1.30% |
| 2026-10-16 | 7.51 | 7.57 | 6.90 | 6.92 | 1.25M | -7.73% |
| 2026-10-15 | 7.54 | 7.69 | 7.41 | 7.50 | 1.21M | +1.35% |
| 2026-10-14 | 6.97 | 7.72 | 6.92 | 7.40 | 1.72M | +5.71% |
| 2026-10-13 | 7.14 | 7.16 | 6.86 | 7.00 | 1.95M | -1.82% |
| 2026-10-12 | 7.25 | 7.29 | 7.03 | 7.13 | 1.01M | -1.66% |
| 2026-10-09 | 7.13 | 7.30 | 7.02 | 7.25 | 928K | +1.68% |
| 2026-10-08 | 6.79 | 7.18 | 6.68 | 7.13 | 1.33M | +4.70% |
| 2026-10-07 | 6.87 | 7.03 | 6.60 | 6.81 | 1.63M | +0.44% |
| 2026-10-06 | 6.75 | 6.80 | 6.52 | 6.78 | 2.09M | +1.19% |
| 2026-10-05 | 6.95 | 7.00 | 6.65 | 6.70 | 1.10M | -3.18% |
| 2026-10-02 | 7.20 | 7.23 | 6.82 | 6.92 | 1.68M | -2.26% |
| 2026-10-01 | 7.47 | 7.47 | 7.08 | 7.08 | 1.06M | -3.01% |
| 2026-09-30 | 7.40 | 7.50 | 7.19 | 7.30 | 809K | -0.82% |
| 2026-09-29 | 7.34 | 7.45 | 7.19 | 7.36 | 657K | +0.14% |
| 2026-09-28 | 7.30 | 7.41 | 7.15 | 7.35 | 1.69M | +0.68% |
| 2026-09-25 | 7.10 | 7.38 | 7.10 | 7.30 | 1.44M | +3.11% |
| 2026-09-24 | 6.98 | 7.19 | 6.91 | 7.08 | 1.42M | +1.29% |
| 2026-09-23 | 7.83 | 7.83 | 6.98 | 6.99 | 1.05M | -9.92% |
| 2026-09-22 | 7.58 | 7.84 | 7.40 | 7.76 | 1.95M | +4.16% |
| 2026-09-21 | 7.54 | 7.62 | 7.31 | 7.45 | 899K | -0.40% |
| 2026-09-18 | 7.63 | 7.76 | 7.47 | 7.48 | 1.79M | -3.48% |
| 2026-09-17 | 7.81 | 8.00 | 7.59 | 7.75 | 1.50M | +0.78% |
| 2026-09-16 | 8.00 | 8.24 | 7.66 | 7.69 | 2.07M | -5.76% |
| 2026-09-15 | 8.63 | 8.65 | 8.10 | 8.16 | 1.64M | -5.99% |
| 2026-09-14 | 8.45 | 8.83 | 8.35 | 8.68 | 1.32M | +3.83% |
| 2026-09-11 | 8.40 | 8.52 | 8.07 | 8.36 | 1.39M | -0.12% |
| 2026-09-10 | 8.50 | 8.55 | 8.29 | 8.37 | 1.09M | -3.46% |
| 2026-09-09 | 9.32 | 9.32 | 8.64 | 8.67 | 1.11M | -8.06% |
| 2026-09-08 | 9.42 | 9.65 | 9.22 | 9.43 | 1.03M | -0.74% |
| 2026-09-04 | 8.99 | 9.55 | 8.89 | 9.50 | 1.24M | +4.97% |
| 2026-09-03 | 9.30 | 9.31 | 8.98 | 9.05 | 663K | -2.27% |
| 2026-09-02 | 9.45 | 9.73 | 9.05 | 9.26 | 933K | -1.38% |
| 2026-09-01 | 9.55 | 9.68 | 9.15 | 9.39 | 885K | -1.88% |
| 2026-08-31 | 9.17 | 9.70 | 9.04 | 9.57 | 1.21M | +4.25% |
| 2026-08-28 | 8.89 | 9.31 | 8.78 | 9.18 | 894K | +2.68% |
PHAT Chart Terminal
Live VCP patterns, Cup & Handle overlays, support/resistance, and AI trade plans.
Live Breakouts Feed
High-probability breakout stocks crossing their pivot across 5 pattern engines.
Intrinsic Valuation
DCF models, multiple analysis, and analyst estimates.
Historical Returns
10-year return with dividends reinvested.
Peer Comparison
Compare growth, multiples, and margins vs sector.
PHAT — Frequently Asked Questions
Quick answers to the most common questions about buying PHAT stock.
How has PHAT stock performed recently?
PHAT declined -59.7% over the past year, below its 5-year annualized CAGR of -25.4%. The stock trades below its 200-day moving average, reflecting the downtrend.
What is PHAT's all-time high price?
Phathom Pharmaceuticals, Inc. reached $64.54 on 2020-06-08. The 52-week high is $18.31. Current 1-year return of -59.7% places the stock further from historical peaks.
Where can I download PHAT historical price data?
This page provides PHAT daily OHLCV data with 50-day MA, 200-day MA, and RSI indicators. Data spans 2019-2026, downloadable in CSV format.