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How to Buy Genprex, Inc. Common Stock (GNPX) Stock

Compare 15 brokers offering GNPX, check 24-hour trading availability, and confirm OTC tier access.

GNPX
$0.8032+$0.0133 (+1.68%)
Day range
$0.7810 – $0.8100
52-week range
$0.7401 – $55.00
Volume
87.4K
Market cap
$8.36M
Exchange
XNAS
Asset class
common
Optionable
No
24-hour trading
Yes
Fractional eligible
Yes
Tokenized
No
Market cap tier
nano

Where to buy GNPX

15 brokers in our matrix offer GNPX (penny/OTC-friendly subset). Verify availability and current fees with each broker before trading.

BrokerCommissionFractionalExtendedOvernightOptionsOTCQXOTCQBPink Cur.Pink Ltd.GreySurchargeShort locate
Firstrade logoFirstradeReview$0
~4,000+ tickers, ≥ $5
~1,200
$0FullFullFullFullLimited—limited
Interactive Brokers logoInteractive BrokersReview$0 (Lite) / per-share (Pro)
~10,000
per-contract pricingFullFullFullFullFullPer-share pricing appliesbest
TradeStation logoTradeStationReview$0 listed
$0.50 / $0.60FullFullFullFullLimited$0.005/share OTC (TS Select/TS Go), $0 up to 10,000 sharesstrong
Charles Schwab (thinkorswim) logoCharles Schwab (thinkorswim)Review$0
Schwab Stock Slices, S&P 500 only, ≥ $5/slice, up to 30 at once
~1,130
$0.65FullFullFullLimitedLimitedVariable service fees on certain restrictedmoderate
E*TRADE (Morgan Stanley) logoE*TRADE (Morgan Stanley)Review$0 listed
~20
$0.65FullFullFullFullLimited$6.95 flat on penny stocksmoderate
Fidelity logoFidelityReview$0
Stocks by the Slice, 7,000+ stocks/ETFs, from $1
$0.65FullFullNoNoNo—limited
Merrill Edge logoMerrill EdgeReview$0
$0.65FullFullFullLimitedNo—none
Moomoo logoMoomooReview$0
$0LimitedLimitedLimitedNoNo—limited
Public.com logoPublic.comReview$0
rebate modelLimitedLimitedLimitedNoNo—none
SoFi Active Investing logoSoFi Active InvestingReview$0
$0FullLimitedLimitedNoNo—none
tastytrade logotastytradeReview$0 stocks
$1.00 open, $0 close (capped at $10 per leg)LimitedLimitedLimitedNoNo—limited
Webull logoWebullReview$0
$0LimitedLimitedLimitedNoNo—limited
CenterPoint Securities logoCenterPoint SecuritiesReviewPer-share (day-trader oriented)
per-contractFullFullFullFullFullPer-sharebest
Cobra Trading logoCobra TradingReviewPer-share (day-trader oriented)
per-contractFullFullFullFullFullPer-sharebest
SpeedTrader logoSpeedTraderReviewPer-share (day-trader oriented)
per-contractFullFullFullFullFullPer-sharebest

24-Hour / Overnight trading

GNPX may be eligible for overnight trading via Charles Schwab (thinkorswim), Interactive Brokers, Robinhood, E*TRADE (Morgan Stanley), Webull, Moomoo, Firstrade. Each broker maintains its own eligibility list — confirm before placing an order.

Overnight sessions route through ATSs, typically have wider spreads, accept limit orders only, and offer no guaranteed fills.

Penny stock / OTC routing

GNPX trades on the OTC markets. Broker support varies sharply by tier (OTCQX, OTCQB, Pink Current, Pink Limited, Grey). Fidelity and Robinhood exclude pink/grey entirely. For short-locate on small-caps, Interactive Brokers and the day-trader specialists (Cobra Trading, SpeedTrader, CenterPoint) have the deepest inventory.

About Genprex, Inc. Common Stock

Genprex Inc is a clinical-stage gene therapy company focused on developing life-changing therapies for patients with cancer and diabetes. Its technologies are designed to administer disease-fighting genes to provide new therapies for large patient populations with cancer and diabetes who currently have limited treatment options. Genprex's oncology program utilizes its systemic, non-viral Oncoprex Delivery System, which encapsulates the gene-expressing plasmids using lipid-based nanoparticles in a lipoplex form. The company's product candidate, Reqorsa Gene Therapy (quaratusugene ozeplasmid), is initially being developed in combination with prominent, approved cancer drugs to treat Non-Small Cell Lung Cancer (NSCLC) and Small Cell Lung Cancer (SCLC).
Sector
PHARMACEUTICAL PREPARATIONS
Employees
13
Headquarters
AUSTIN, TX
Listed
2018-03-29
Market cap
$8.36M

Frequently asked

Where can I buy Genprex, Inc. Common Stock (GNPX)?

GNPX is offered by 15 brokers in our matrix, including Firstrade, Interactive Brokers, TradeStation, Charles Schwab (thinkorswim), E*TRADE (Morgan Stanley). Compare commissions, fractional eligibility, and overnight availability in the broker matrix above.

Can I buy GNPX after hours or overnight?

Yes. GNPX is on the 24-hour eligibility list for Charles Schwab (thinkorswim), Interactive Brokers, Robinhood, E*TRADE (Morgan Stanley), and others. Overnight sessions route through ATSs with wider spreads and limit-orders only.

Does Robinhood offer GNPX?

No. Robinhood does not provide access to the OTC tier GNPX trades on. Interactive Brokers, TradeStation, and Firstrade have the broadest OTC coverage.

Does Fidelity offer GNPX?

Partial. Fidelity's OTC access is tier-limited — see the OTC columns in the matrix to check whether GNPX's specific tier is supported.

Does Webull offer GNPX?

Partial. Webull's OTC access is tier-limited — see the OTC columns in the matrix to check whether GNPX's specific tier is supported.

Is GNPX optionable?

No. GNPX does not have listed options contracts at the moment.

Is there a tokenized version of GNPX?

Not in our current dataset. The tokenized stock universe (Kraken xStocks, Binance Alpha/Ondo, Robinhood EU, Hyperliquid HIP-3) is expanding quickly — we refresh quarterly.

Can I buy a fractional share of GNPX?

Yes. Multiple brokers in the matrix support fractional shares for GNPX — see the Fractional column above for per-broker eligibility and minimums.