Now Live: Cboe Europe real-time data for all major European stocks.
closing in 6h 1m
Main market

STOCKS is currently active.
Closing in 6 hours 1 minute

09:58
00:00
09:30
16:00
23:59

Trading Hours (Monday - Friday):

Pre-market
04:00 - 09:30
Main market
09:30 - 16:00
Post-market
16:00 - 20:00
All times are displayed in the America/New_York timezone (EDT, UTC-04:00).
128.72400 USD
5.716
4.25%
Last update Apr 9, 4:29 PM BST
Main market
Day range
126.71000
145.039993
Previous close
134.44000
Open
127.69000
Access this stock data via API
Subscribe
Applied Optoelectronics, Inc.
128.72
5.72
4.25%

Historical data

Prices

Date Open High Low Close % Change Volume
Apr 09, 2026 127.69 145.04 126.71 128.72 0.81% 75257
Apr 08, 2026 126.82 134.44 119.02 134.44 6.01% 70748
Apr 07, 2026 108 118.70 105 114.20 5.74% 83834
Apr 02, 2026 84.02 105.57 80.76 102.33 21.79% 117507
Apr 01, 2026 87.24 95.76 86 86.42 -0.94% 107871
Mar 31, 2026 86.84 87.54 78.56 83.49 -3.86% 94992
Mar 30, 2026 95.80 101.93 81.98 83.24 -13.11% 86397
Mar 27, 2026 100.80 103.68 94.18 97.33 -3.44% 34116
Mar 26, 2026 114 114 98.29 98.29 -13.78% 62681
Mar 25, 2026 118.86 121.61 109 113.23 -4.74% 72580
Mar 24, 2026 96.22 114.86 94.15 113.02 17.46% 145469
Mar 23, 2026 88.88 96.05 82.50 95.30 7.22% 82000
Mar 20, 2026 104.50 106.50 85.64 85.89 -17.81% 65354
Mar 19, 2026 93.51 101.97 87.75 100.57 7.55% 80098
Mar 18, 2026 88.70 100 88.70 92.79 4.61% 195779
Mar 17, 2026 92.44 92.45 85.08 87.34 -5.51% 67126
Mar 16, 2026 98.25 101.32 93.62 97.78 -0.48% 39397
Mar 13, 2026 101.66 105.90 94.18 95.10 -6.45% 67954
Mar 12, 2026 123.60 126.70 105.11 106.61 -13.75% 84997
Mar 11, 2026 123.50 128.97 113.88 126.65 2.55% 34722
Mar 10, 2026 113.56 127.24 110 121.67 7.14% 60638
Access /time_series data via our API — starting from the Basic plan and above.
Main market

Exchange is currently active.
Closing in 1 hour 31 minutes

14:58
00:00
08:00
16:30
23:59

Trading Hours (Monday - Friday):

Pre-market
07:15 - 08:00
Main market
08:00 - 16:30
Post-market
16:30 - 17:15
All times are displayed in the Europe/London timezone (BST, UTC+01:00).