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STAA
Staar Surgical Co
stock NASDAQ

At Close
Sep 30, 2026 3:59:58 PM EDT
22.63USD+0.892%(+0.20)798,847
19.49Bid   25.54Ask   6.05Spread
Pre-market
Sep 29, 2026 9:28:30 AM EDT
22.00USD-1.917%(-0.43)0
After-hours
Sep 30, 2026 4:14:30 PM EDT
22.55USD-0.354%(-0.08)800
OverviewOption ChainMax PainOptionsHistoricalExchange VolumeDark Pool LevelsDark Pool PrintsExchange VolumeShort VolumeShort Interest - DailyShort InterestBorrow Fee (CTB)Failure to Deliver (FTD)ShortsTrendsNewsMore

STAA Volume Sep 30, 2026

[ < ]
ExchangeDay%Volume30D%
Off Exchange141.33243,65537.50
Nasdaq GSM24.56144,75341.50
IEX10.8563,9505.20
NYSE Arca9.4455,6525.70
Cboe BZX3.8122,4363.12
Cboe EDGX2.8216,6052.04
NYSE2.2213,0821.35
MEMX0.754,4150.61
Cboe EDGA0.683,9910.44
LTSE0.603,5390.23
Nasdaq BX0.533,1410.37
Texas Stock Exchange LLC0.502,9350.34
CHX0.402,3610.14
Nasdaq PHLX0.392,2840.22
NYSE National0.382,2210.24
Cboe BYX0.372,1850.61
MIAX Pearl0.331,9500.22
NYSE American0.053020.16
24X National0.00110.02
chartexchange.com

1 A) Dark Pool or Off Exchange? B) Venues explained. C) All trades that update volume from the CTA.
STAA Nutrition Facts
0.58 servings per container
Serving size1.01M
Calories589.47K
% Day% Avg
Off Exchange1 244K41.33%37.50%
Nasdaq GSM 145K24.56%41.50%
IEX 64K10.85%5.20%
NYSE Arca 56K9.44%5.70%
Cboe BZX 22K3.81%3.12%
Cboe EDGX 17K2.82%2.04%
NYSE 13K2.22%1.35%
MEMX 4K0.75%0.61%
Cboe EDGA 4K0.68%0.44%
LTSE 4K0.60%0.23%
Nasdaq BX 3K0.53%0.37%
Texas Stock Exchange LLC 3K0.50%0.34%
CHX 2K0.40%0.14%
Nasdaq PHLX 2K0.39%0.22%
NYSE National 2K0.38%0.24%
Cboe BYX 2K0.37%0.61%
MIAX Pearl 2K0.33%0.22%
NYSE American 3020.05%0.16%
24X National 110.00%0.02%
1 A) Dark Pool or Off Exchange? B) Venues explained. C) All trades that update volume from the CTA.
chartexchange.com

STAA Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 243,655, which is 41.33% of today's total volume.
Today's Lit volume is 345,813, which is 58.67%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 37.50%.
The average Lit volume has been 62.50%.


STAA Volume by Exchange
Off Exchange
Nasdaq GSM
IEX
NYSE Arca
Cboe BZX
Cboe EDGX
NYSE
MEMX
Cboe EDGA
LTSE
Nasdaq BX
Texas Stock Exchange LLC
CHX
Nasdaq PHLX
NYSE National
Cboe BYX
MIAX Pearl
NYSE American
24X National
   

STAA Volume by Exchange
Off Exchange
Nasdaq GSM
IEX
NYSE Arca
Cboe BZX
Cboe EDGX
NYSE
MEMX
Cboe EDGA
LTSE
Nasdaq BX
Texas Stock Exchange LLC
CHX
Nasdaq PHLX
NYSE National
Cboe BYX
MIAX Pearl
NYSE American
24X National
   
Want older data?

STAA Volume by Exchange chartexchange.com
Historical data is split-adjusted.
1 A) Dark Pool or Off Exchange? B) Venues explained. C) All trades that update volume from the CTA.



STAA Dark Pool Levels chartexchange.com


STAA Dark Pool Prints chartexchange.com


View Exchange Volume
View Short Volume
View Short Interest
View Fails-to-Deliver
View Borrow Fee


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