
stockNASDAQ: COLL • 28 Days Updates
Collegium Pharmaceutical Inc. (COLL)
Showing Closing Date Range from Sep 10 to Oct 8, 2026.
Collegium Pharmaceutical (COLL) is a specialty pharmaceutical company trading on Nasdaq Stocks. Shares last closed at $22.11, moving +0.41% over the past week and -3.53% across 28 days. Over longer periods, the stock is -37.24% over 3 months, -37.93% over 6 months and -33.26% over 12 months. Related equities include MDLZ (Mondelez International) (-2.88%), GEN (Gen Digital) (-24.09%), MCHP (Microchip Technology) (+5.50%), AMAT (Applied Materials) (+12.24%) and DYN (Dyne Therapeutics) (-11.13%).
Investor Relations:collegiumpharma.com
Price & Performance Trajectory
Collegium Pharmaceutical Inc.NASDAQ: COLL
Latest Close
$22.11
28 Days Updates Trajectory
Showing Closing Date Range from Sep 10 to Oct 8, 2026.Loading trajectory chart...
Click metric scorecards below to toggle price, return %, range & volume curvesCOLL session performance
✓ Latest Close USD
$22.11
Latest session close
$-0.81vs period start
Period Return % % GAIN
-3.53%
Net period trajectory
Cumulative ReturnNormalized
High / Low Range SPREAD
$23.69 / $21.64
Period range envelope
$2.05channel spread
Total Volume SHARES
14.56M
Period turnover
Avg: 856.6K/dLiquidity
Historical Session Ledger
Daily open, high, low, and close prices with volume and period returns.
Historical Quotes & Breakdown(17 dates)
| Date | Close (USD) | Return % | High | Low | Volume |
|---|---|---|---|---|---|
| Oct 08, 2026 | $22.11 | +0.82% | $22.18 | $21.79 | 526.9K |
| Oct 07, 2026 | $21.93 | +0.23% | $22.15 | $21.73 | 783.5K |
| Oct 06, 2026 | $21.88 | +0.05% | $22.32 | $21.68 | 632.5K |
| Oct 05, 2026 | $21.87 | -0.68% | $22.23 | $21.67 | 975.4K |
| Oct 02, 2026 | $22.02 | +0.82% | $22.38 | $21.64 | 694.0K |
| Sep 25, 2026 | $22.53 | -0.49% | $22.91 | $22.29 | 503.4K |
| Sep 24, 2026 | $22.64 | +0.85% | $22.77 | $21.90 | 650.1K |
| Sep 23, 2026 | $22.45 | -1.45% | $23.69 | $21.77 | 878.4K |
| Sep 22, 2026 | $22.78 | -1.13% | $23.52 | $22.64 | 808.2K |
| Sep 21, 2026 | $23.04 | +1.19% | $23.23 | $22.51 | 928.3K |
| Sep 18, 2026 | $22.77 | +1.74% | $22.93 | $22.07 | 1.99M |
| Sep 17, 2026 | $22.38 | +0.86% | $22.64 | $22.08 | 707.4K |
| Sep 16, 2026 | $22.19 | +1.60% | $22.80 | $21.68 | 1.15M |
| Sep 15, 2026 | $21.84 | -4.25% | $22.92 | $21.65 | 954.0K |
| Sep 14, 2026 | $22.81 | +0.00% | $23.19 | $22.50 | 823.2K |
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