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%).
Price & Performance Trajectory

Collegium Pharmaceutical Inc.NASDAQ: COLL

Latest Close
$22.11
-3.53%
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)
DateClose (USD)Return %HighLowVolume
Oct 08, 2026$22.11+0.82% $22.18$21.79526.9K
Oct 07, 2026$21.93+0.23% $22.15$21.73783.5K
Oct 06, 2026$21.88+0.05% $22.32$21.68632.5K
Oct 05, 2026$21.87-0.68% $22.23$21.67975.4K
Oct 02, 2026$22.02+0.82% $22.38$21.64694.0K
Sep 25, 2026$22.53-0.49% $22.91$22.29503.4K
Sep 24, 2026$22.64+0.85% $22.77$21.90650.1K
Sep 23, 2026$22.45-1.45% $23.69$21.77878.4K
Sep 22, 2026$22.78-1.13% $23.52$22.64808.2K
Sep 21, 2026$23.04+1.19% $23.23$22.51928.3K
Sep 18, 2026$22.77+1.74% $22.93$22.071.99M
Sep 17, 2026$22.38+0.86% $22.64$22.08707.4K
Sep 16, 2026$22.19+1.60% $22.80$21.681.15M
Sep 15, 2026$21.84-4.25% $22.92$21.65954.0K
Sep 14, 2026$22.81+0.00% $23.19$22.50823.2K
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