Nasdaq · KLRS · stock
Kalaris Therapeutics, Inc. (KLRS) stock price history
Every Nasdaq trading session of Kalaris Therapeutics, Inc. from Jul 30, 2020 to Nov 12, 2026: 1,581 daily bars, adjusted for splits and dividends, with minute bars from Jul 13, 2026 forward. The full series is served by the API: a free key covers the last year, paid plans the whole history and minute bars.
KLRS adjusted close, 2020 to 2026
- $1,077
- All time high, 2020
- $11.88
- 52 week high, $1.65 low
- 1,581
- Daily sessions since 2020
Last updated Nov 12, 2026, the last stored session. Refreshes after each trading day. Full 2020 to 2026 series and minute bars.
KLRS key facts
- Kalaris Therapeutics, Inc. (KLRS) closed at $1.66 on Nov 12, 2026 on Nasdaq.
- KLRS's all time high close is $1,077, set on Dec 4, 2020; its all time low close is $1.66 on Nov 12, 2026.
- KLRS's 52 week range is $1.65 to $11.88.
- KLRS returned -66.5% over the year to Nov 12, 2026 and -99.7% over five years.
- Since Jul 30, 2020 KLRS returned -100%, -60.7% a year compounded.
- KLRS's deepest drawdown was -99.8% from Dec 4, 2020 to Nov 12, 2026.
- DataCedar holds 1,581 daily sessions of KLRS history from Jul 30, 2020 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.
KLRS price chart, 2020 to 2026
KLRS returns
Price return from the last close on or before the window start to Nov 12, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -26.5% |
| 3 months | -57.9% |
| 6 months | -65.3% |
| Year to date | -80.2% |
| 1 year | -66.5% |
| 3 years | -94.9% |
| 5 years | -99.7% |
| 10 years | n/a |
| Since Jul 30, 2020 | -99.7% |
| Compound annual growth, 6.3 years | -60.7% |
KLRS records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- $1,077 on Dec 4, 2020
- All time low close
- $1.66 on Nov 12, 2026
- 52 week high
- $11.88 on Dec 18, 2025
- 52 week low
- $1.65 on Nov 12, 2026
- Deepest drawdown
- -99.8% from Dec 4, 2020 to Nov 12, 2026, not yet recovered
- Best single session
- +35.0% on Sep 16, 2025
- Worst single session
- -67.2% on Dec 22, 2023
- Volatility, 1 year annualised
- 87.5%
- Sessions closing higher, 1 year
- 41%
- Best calendar year
- 2025, -13%
- Worst calendar year
- 2023, -87%
KLRS 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. 2020 starts on Jul 30, 2020; 2026 runs to Nov 12, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | $8.42 | $11.22 | $1.65 | $1.66 | -80.3% | 28M | 218 |
| 2025 | $10.58 | $12.90 | $2.14 | $8.44 | -12.6% | 33.9M | 250 |
| 2024 | $15.64 | $24.15 | $9.25 | $9.66 | -38.2% | 6.4M | 252 |
| 2023 | $120.29 | $166.52 | $14.81 | $15.64 | -86.7% | 8.5M | 250 |
| 2022 | $297.85 | $315.10 | $72.91 | $117.99 | -60.4% | 8M | 251 |
| 2021 | $893.32 | $1,111 | $293.02 | $297.62 | -66.3% | 2.9M | 252 |
| 2020 | $483.00 | $1,126 | $417.45 | $884.12 | n/a | 1.8M | 108 |
KLRS monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| November 2026 | $1.66 | -18.2% |
| October 2026 | $2.03 | -29.8% |
| September 2026 | $2.89 | -28.5% |
| August 2026 | $4.04 | +15.1% |
| July 2026 | $3.51 | -13.8% |
| June 2026 | $4.07 | -22.8% |
| May 2026 | $5.27 | -4.5% |
| April 2026 | $5.52 | -4.3% |
| March 2026 | $5.77 | -44.8% |
| February 2026 | $10.46 | +17.8% |
| January 2026 | $8.88 | +5.2% |
| December 2025 | $8.44 | +35.3% |
About the KLRS data
Daily bars. 1,581 sessions from Jul 30, 2020 to Nov 12, 2026, one row per Nasdaq 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. Stored from Jul 13, 2026 forward, most recent session Oct 23, 2026. Minute history is captured from the day collection began and is never backfilled, so this start date is exact. Five minute, fifteen minute and hourly bars are derived from these minutes.
Time and currency. Session dates are Nasdaq 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 Jul 30, 2020, 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/nasdaq%3AKLRS/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on Nasdaq
Common questions
KLRS share price history
