Other US listings · CLSDQ · stock
Clearside Biomedical, Inc. (CLSDQ) stock price history
Every Other US listings trading session of Clearside Biomedical, Inc. from Jun 2, 2016 to Jul 17, 2026: 2,545 daily bars, adjusted for splits and dividends, with minute bars arriving as capture begins. The full series is served by the API: a free key covers the last year, paid plans the whole history and minute bars.
CLSDQ adjusted close, 2016 to 2026
- $370.80
- All time high, 2016
- $12.57
- 52 week high, $0.0100 low
- 2,545
- Daily sessions since 2016
Last updated Jul 17, 2026, the last stored session. Refreshes after each trading day. Full 2016 to 2026 series and minute bars.
CLSDQ key facts
- Clearside Biomedical, Inc. (CLSDQ) closed at $0.2490 on Jul 17, 2026 on Other US listings.
- CLSDQ's all time high close is $370.80, set on Oct 11, 2016; its all time low close is $0.0100 on Jun 8, 2026.
- CLSDQ's 52 week range is $0.0100 to $12.57.
- CLSDQ returned -97.2% over the year to Jul 17, 2026 and -99.7% over five years.
- Over ten years CLSDQ returned -100%, -45.0% a year compounded.
- CLSDQ's deepest drawdown was -100.0% from Oct 11, 2016 to Jun 8, 2026.
- DataCedar holds 2,545 daily sessions of CLSDQ history from Jun 2, 2016, adjusted for splits and dividends, served by the API under a key.
CLSDQ price chart, 2016 to 2026
CLSDQ returns
Price return from the last close on or before the window start to Jul 17, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | +1,145% |
| 3 months | -28.9% |
| 6 months | -77.2% |
| Year to date | -67.7% |
| 1 year | -97.2% |
| 3 years | -98.7% |
| 5 years | -99.7% |
| 10 years | -99.7% |
| Since Jun 2, 2016 | -99.8% |
| Compound annual growth, 10.1 years | -45.2% |
CLSDQ records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- $370.80 on Oct 11, 2016
- All time low close
- $0.0100 on Jun 8, 2026
- 52 week high
- $12.57 on Jul 17, 2025
- 52 week low
- $0.0100 on Jun 8, 2026
- Deepest drawdown
- -100.0% from Oct 11, 2016 to Jun 8, 2026, not yet recovered
- Best single session
- +1,000% on Jun 9, 2026
- Worst single session
- -96.8% on Jun 8, 2026
- Volatility, 1 year annualised
- 569.7%
- Sessions closing higher, 1 year
- 42%
- Best calendar year
- 2019, +171%
- Worst calendar year
- 2025, -95%
CLSDQ price history by year
Open is the first session's open, high and low span the year, close is the last session's close, and the return is close over the previous year's close. 2016 starts on Jun 2, 2016; 2026 runs to Jul 17, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | $0.7050 | $1.37 | $0.0100 | $0.2490 | -64.7% | 2.4M | 135 |
| 2025 | $14.40 | $17.10 | $0.3100 | $0.7050 | -95.1% | 38.4M | 250 |
| 2024 | $17.85 | $31.80 | $12.01 | $14.25 | -18.8% | 6.6M | 252 |
| 2023 | $16.50 | $27.75 | $9.75 | $17.55 | +4.5% | 2.7M | 250 |
| 2022 | $41.85 | $44.25 | $14.70 | $16.80 | -59.3% | 6.9M | 251 |
| 2021 | $48.61 | $115.95 | $33.15 | $41.25 | +0.4% | 20.1M | 252 |
| 2020 | $42.75 | $61.95 | $16.50 | $41.10 | -5.5% | 9M | 253 |
| 2019 | $15.75 | $59.25 | $8.40 | $43.50 | +171.0% | 13.7M | 252 |
| 2018 | $106.05 | $229.93 | $14.85 | $16.05 | -84.7% | 9.1M | 251 |
| 2017 | $135.30 | $156.91 | $81.60 | $105.00 | -21.7% | 2.6M | 251 |
| 2016 | $120.00 | $376.20 | $84.75 | $134.10 | n/a | 1.5M | 148 |
CLSDQ monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| July 2026 | $0.2490 | +107.5% |
| June 2026 | $0.1200 | -62.5% |
| May 2026 | $0.3201 | +6.7% |
| April 2026 | $0.3000 | +3.4% |
| March 2026 | $0.2900 | -43.1% |
| February 2026 | $0.5100 | -32.0% |
| January 2026 | $0.7500 | +6.4% |
| December 2025 | $0.7050 | +72.0% |
| November 2025 | $0.4100 | -89.9% |
| October 2025 | $4.07 | +2.5% |
| September 2025 | $3.97 | -28.0% |
| August 2025 | $5.51 | -11.8% |
About the CLSDQ data
Daily bars. 2,545 sessions from Jun 2, 2016 to Jul 17, 2026, one row per Other US listings trading day with open, high, low, close and volume. Prices are adjusted for splits and cash dividends so the series is comparable across its whole length; the API also serves the raw, split only and dividend only views.
Minute bars. Not stored for this listing yet. Minute history is captured forward from the day collection begins for a symbol and is never backfilled.
Time and currency. Session dates are Other US listings trading days; minute timestamps are UTC. Prices are in USD. Volume is shares traded on the session.
Get the data. The REST endpoint returns the daily series as JSON with pagination; a free key serves the last year, Quant and above the full history back to Jun 2, 2016, and minute bars come with the paid windows. It takes timeframe (1Min, 5Min, 15Min, 1Hour, 1Day), adjustment, start and end. See the bars endpoint and authentication, and pricing for the plan windows.
curl "https://api.datacedar.com/v3/stocks/CLSDQ/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on Other US listings
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Common questions
CLSDQ share price history
