Nasdaq · RTSN · stock
Retension Pharmaceuticals, Inc. (RTSN) stock price history
Every Nasdaq trading session of Retension Pharmaceuticals, Inc. from Oct 9, 2026 to Nov 12, 2026: 25 daily bars, adjusted for splits and dividends, with minute bars from Oct 9, 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.
RTSN adjusted close, 2026 to 2026
- $16.33
- All time high, 2026
- $18.64
- 52 week high, $10.16 low
- 25
- Daily sessions since 2026
Last updated Nov 12, 2026, the last stored session. Refreshes after each trading day. Full 2026 to 2026 series and minute bars.
RTSN key facts
- Retension Pharmaceuticals, Inc. (RTSN) closed at $12.25 on Nov 12, 2026 on Nasdaq.
- RTSN's all time high close is $16.33, set on Oct 19, 2026; its all time low close is $10.53 on Oct 9, 2026.
- RTSN's 52 week range is $10.16 to $18.64.
- RTSN's deepest drawdown was -34.4% from Oct 19, 2026 to Nov 5, 2026.
- DataCedar holds 25 daily sessions of RTSN history from Oct 9, 2026 and minute bars from Oct 9, 2026, adjusted for splits and dividends, served by the API under a key.
RTSN price chart, 2026 to 2026
RTSN returns
Price return from the last close on or before the window start to Nov 12, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | +8.2% |
| 3 months | n/a |
| 6 months | n/a |
| Year to date | n/a |
| 1 year | n/a |
| 3 years | n/a |
| 5 years | n/a |
| 10 years | n/a |
| Since Oct 9, 2026 | +16.3% |
RTSN records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- $16.33 on Oct 19, 2026
- All time low close
- $10.53 on Oct 9, 2026
- 52 week high
- $18.64 on Oct 19, 2026
- 52 week low
- $10.16 on Oct 12, 2026
- Deepest drawdown
- -34.4% from Oct 19, 2026 to Nov 5, 2026, not yet recovered
- Best single session
- +16.1% on Oct 19, 2026
- Worst single session
- -9.6% on Oct 29, 2026
- Volatility, 1 year annualised
- 105.0%
- Sessions closing higher, 1 year
- 50%
RTSN 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. 2026 starts on Oct 9, 2026; 2026 runs to Nov 12, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | $10.00 | $18.64 | $9.66 | $12.25 | n/a | 3.7M | 25 |
RTSN monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| November 2026 | $12.25 | +7.8% |
| October 2026 | $11.36 | n/a |
About the RTSN data
Daily bars. 25 sessions from Oct 9, 2026 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 Oct 9, 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 Oct 9, 2026, 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%3ARTSN/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on Nasdaq
Common questions
RTSN share price history
