Other US listings · POSC · stock
Positron Corp. (POSC) stock price history
Every Other US listings trading session of Positron Corp. from Aug 9, 1999 to Jul 17, 2026: 6,776 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.
POSC adjusted close, 1999 to 2026
- $424.80
- All time high, 1999
- $2.74
- 52 week high, $1.27 low
- 6,776
- Daily sessions since 1999
Last updated Jul 17, 2026, the last stored session. Refreshes after each trading day. Full 1999 to 2026 series and minute bars.
POSC key facts
- Positron Corp. (POSC) closed at $1.65 on Jul 17, 2026 on Other US listings.
- POSC's all time high close is $424.80, set on Aug 17, 1999; its all time low close is $0.0050 on Dec 24, 2015.
- POSC's 52 week range is $1.27 to $2.74.
- POSC returned +13.8% over the year to Jul 17, 2026 and +117.1% over five years.
- Over ten years POSC returned +5,400%, +49.3% a year compounded.
- POSC's deepest drawdown was -100.0% from Mar 10, 2000 to Dec 24, 2015.
- DataCedar holds 6,776 daily sessions of POSC history from Aug 9, 1999, adjusted for splits and dividends, served by the API under a key.
POSC price chart, 1999 to 2026
POSC returns
Price return from the last close on or before the window start to Jul 17, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -6.2% |
| 3 months | -12.7% |
| 6 months | -0.7% |
| Year to date | +6.5% |
| 1 year | +13.8% |
| 3 years | +20.4% |
| 5 years | +117.1% |
| 10 years | +5,400% |
| Since Aug 9, 1999 | -99.6% |
| Compound annual growth, 26.9 years | -18.5% |
POSC records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- $424.80 on Aug 17, 1999
- All time low close
- $0.0050 on Dec 24, 2015
- 52 week high
- $2.74 on Feb 23, 2026
- 52 week low
- $1.27 on Dec 4, 2025
- Deepest drawdown
- -100.0% from Mar 10, 2000 to Dec 24, 2015, not yet recovered
- Best single session
- +900.0% on Nov 25, 2015
- Worst single session
- -92.9% on Dec 24, 2015
- Volatility, 1 year annualised
- 93.4%
- Sessions closing higher, 1 year
- 45%
- Best calendar year
- 2021, +495%
- Worst calendar year
- 2002, -89%
POSC 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. 1999 starts on Aug 9, 1999; 2026 runs to Jul 17, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | $1.70 | $2.74 | $1.43 | $1.65 | -1.2% | 7.4M | 135 |
| 2025 | $1.00 | $2.94 | $0.9350 | $1.67 | +65.3% | 3.8M | 250 |
| 2024 | $1.50 | $1.60 | $0.8810 | $1.01 | -35.7% | 1.2M | 252 |
| 2023 | $0.7000 | $2.25 | $0.7000 | $1.57 | +77.2% | 1.4M | 250 |
| 2022 | $1.50 | $1.86 | $0.4200 | $0.8860 | -34.4% | 1.6M | 251 |
| 2021 | $0.2270 | $1.37 | $0.0680 | $1.35 | +494.7% | 1.4M | 252 |
| 2020 | $0.1590 | $0.5000 | $0.1150 | $0.2270 | +42.8% | 606.7K | 253 |
| 2019 | $0.2000 | $0.9980 | $0.0630 | $0.1590 | -20.5% | 565.4K | 252 |
| 2018 | $0.0580 | $0.5100 | $0.0300 | $0.2000 | +244.8% | 1.2M | 251 |
| 2017 | $0.0200 | $0.2000 | $0.0100 | $0.0580 | +190.0% | 307.3K | 251 |
| 2016 | $0.2000 | $0.2500 | $0.0090 | $0.0200 | -61.5% | 214.8K | 252 |
| 2015 | $0.4000 | $1.20 | $0.0050 | $0.0520 | -87.0% | 543.6K | 252 |
| 2014 | $2.00 | $4.80 | $0.4000 | $0.4000 | -80.0% | 392.5K | 252 |
| 2013 | $3.60 | $4.00 | $1.20 | $2.00 | -44.4% | 290.7K | 252 |
| 2012 | $3.60 | $10.80 | $2.00 | $3.60 | 0.0% | 708.8K | 250 |
| 2011 | $20.00 | $29.60 | $3.20 | $3.60 | -82.0% | 955.2K | 252 |
| 2010 | $26.80 | $120.00 | $8.00 | $20.00 | -28.6% | 1.7M | 252 |
| 2009 | $12.00 | $36.00 | $5.20 | $28.00 | +105.9% | 94.8K | 252 |
| 2008 | $26.00 | $48.00 | $6.00 | $13.60 | -50.0% | 57.1K | 253 |
| 2007 | $38.00 | $56.00 | $16.00 | $27.20 | -32.0% | 91.8K | 251 |
| 2006 | $34.00 | $106.00 | $5.20 | $40.00 | +12.4% | 116.5K | 251 |
| 2005 | $56.00 | $62.00 | $16.00 | $35.60 | -36.4% | 57.4K | 252 |
| 2004 | $14.00 | $69.20 | $8.00 | $56.00 | +300.0% | 97.1K | 252 |
| 2003 | $4.00 | $80.00 | $2.00 | $14.00 | +250.0% | 128.4K | 252 |
| 2002 | $38.00 | $52.00 | $2.00 | $4.00 | -89.5% | 5.4K | 252 |
| 2001 | $124.80 | $162.40 | $28.00 | $38.00 | -78.3% | 8.7K | 248 |
| 2000 | $224.80 | $424.80 | $60.00 | $174.80 | -22.2% | 12.1K | 252 |
| 1999 | $412.40 | $450.00 | $150.00 | $224.80 | n/a | 33.8K | 102 |
POSC monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| July 2026 | $1.65 | -12.2% |
| June 2026 | $1.88 | 0.0% |
| May 2026 | $1.88 | +5.0% |
| April 2026 | $1.79 | +3.0% |
| March 2026 | $1.74 | -30.5% |
| February 2026 | $2.50 | +30.8% |
| January 2026 | $1.91 | +14.4% |
| December 2025 | $1.67 | +1.8% |
| November 2025 | $1.64 | +2.5% |
| October 2025 | $1.60 | +6.7% |
| September 2025 | $1.50 | -3.8% |
| August 2025 | $1.56 | -8.2% |
About the POSC data
Daily bars. 6,776 sessions from Aug 9, 1999 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 Aug 9, 1999, 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/POSC/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on Other US listings
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Common questions
POSC share price history
