NYSE American · OPTT · stock

Ocean Power Technologies, Inc. (OPTT) stock price history

Every NYSE American trading session of Ocean Power Technologies, Inc. from Apr 25, 2007 to Sep 28, 2026: 4,890 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.

OPTT adjusted close, 2007 to 2026

OPTTOcean Power Technologies, Inc.
$1.67+221.2% over one year
2010201520202025
$3,652
All time high, 2007
$3.23
52 week high, $0.0952 low
4,890
Daily sessions since 2007

Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2007 to 2026 series and minute bars.

OPTT key facts

  • Ocean Power Technologies, Inc. (OPTT) closed at $1.67 on Sep 28, 2026 on NYSE American.
  • OPTT's all time high close is $3,652, set on Nov 12, 2007; its all time low close is $0.1065 on Sep 11, 2026.
  • OPTT's 52 week range is $0.0952 to $3.23.
  • OPTT returned +221.2% over the year to Sep 28, 2026 and -30.7% over five years.
  • Over ten years OPTT returned -99%, -36.3% a year compounded.
  • OPTT's deepest drawdown was -100.0% from Nov 12, 2007 to Sep 11, 2026.
  • DataCedar holds 4,890 daily sessions of OPTT history from Apr 25, 2007 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.

OPTT price chart, 2007 to 2026

OPTT adjusted close, Apr 25, 2007 to Sep 28, 2026$0.1500$4.31$124.06$3,5682010201520202025
Adjusted daily close, log scale. 260 sampled points across the full history; the API serves every session.

OPTT returns

Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.

PeriodReturn
1 month+882.4%
3 months+568.0%
6 months+406.1%
Year to date+475.9%
1 year+221.2%
3 years+328.2%
5 years-30.7%
10 years-98.9%
Since Apr 25, 2007-100.0%
Compound annual growth, 19.4 years-32.6%

OPTT records

Measured on the stored closes; every figure is reproducible from the API series.

All time high close
$3,652 on Nov 12, 2007
All time low close
$0.1065 on Sep 11, 2026
52 week high
$3.23 on Sep 14, 2026
52 week low
$0.0952 on Sep 11, 2026
Deepest drawdown
-100.0% from Nov 12, 2007 to Sep 11, 2026, not yet recovered
Best single session
+2,463% on Sep 14, 2026
Worst single session
-59.0% on Apr 4, 2019
Volatility, 1 year annualised
346.2%
Sessions closing higher, 1 year
34%
Best calendar year
2024, +219%
Worst calendar year
2019, -87%

OPTT 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. 2007 starts on Apr 25, 2007; 2026 runs to Sep 28, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026$0.3200$3.23$0.0952$1.67+456.7%1.5B187
2025$0.9200$1.75$0.2900$0.3000-70.6%1.8B250
2024$0.3200$1.37$0.1200$1.02+218.8%4.3B252
2023$0.4400$0.7700$0.2500$0.3200-28.9%49.4M250
2022$1.50$1.89$0.4400$0.4500-69.6%120.6M251
2021$2.70$7.30$1.48$1.48-45.0%959.4M252
2020$0.9100$4.46$0.3300$2.69+209.2%1.1B253
2019$7.00$16.20$0.7400$0.8700-87.2%118.8M252
2018$22.20$30.40$5.60$6.80-69.1%5.4M251
2017$59.60$73.40$20.40$22.00-62.7%9.8M251
2016$45.00$313.00$19.00$59.00+40.5%13.6M252
2015$124.00$170.00$38.20$42.00-66.7%168.9K252
2014$386.00$1,402$108.00$126.00-67.2%1.1M252
2013$436.00$764.00$290.00$384.00-10.3%195.3K252
2012$538.00$794.00$400.00$428.00-19.5%77.9K250
2011$1,172$1,188$466.00$532.00-53.5%101.9K252
2010$1,826$1,934$910.00$1,144-36.5%74.6K252
2009$1,320$2,244$756.00$1,802+34.7%195.6K252
2008$3,246$3,258$920.00$1,338-58.8%77.4K253
2007$4,000$4,000$2,144$3,246n/a88.2K174

OPTT monthly closes, last 12 months

MonthMonth end closeChange
September 2026$1.67+882.4%
August 2026$0.1700-5.6%
July 2026$0.1800-30.8%
June 2026$0.2600-31.6%
May 2026$0.3800+5.6%
April 2026$0.3600+2.9%
March 2026$0.3500-10.3%
February 2026$0.3900-22.0%
January 2026$0.5000+66.7%
December 2025$0.3000-30.2%
November 2025$0.4300-15.7%
October 2025$0.5100+2.0%

About the OPTT data

Daily bars. 4,890 sessions from Apr 25, 2007 to Sep 28, 2026, one row per NYSE American 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 Sep 25, 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 NYSE American 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 Apr 25, 2007, 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/OPTT/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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Common questions

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