buystock.net

How to Buy GRI Bio, Inc. Common Stock (GRI) Stock

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

GRI
$0.0000−$2.20 (−100.00%)
Day range
$2.17 – $2.24
52-week range
$1.97 – $80.36
Volume
1.3K
Market cap
$3.90M
Exchange
XNAS
Asset class
common
Optionable
No
24-hour trading
Yes
Fractional eligible
Yes
Tokenized
No
Market cap tier
nano

Where to buy GRI

15 brokers in our matrix offer GRI (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

GRI 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

GRI 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 GRI Bio, Inc. Common Stock

GRI Bio Inc is a clinical-stage biotech company focused on discovering, developing, and commercializing therapies targeting serious diseases associated with dysregulated immune responses that to inflammatory, fibrotic, and autoimmune disorders. GRI Bio's program, GRI-0621, is a small molecule RAR-beta and gamma dual agonist that inhibits the activity of human NKT I cells, returning the immune system to homeostasis. It is also an oral formulation of tazarotene, a synthetic RAR-beta and gamma selective agonist for the topical treatment of psoriasis and acne. The company's other product candidate GRI-0803 is a novel oral agonist of type 2 Natural Killer T (type 2 NKT) cells which can be a potential treatment for autoimmune disorders.
Sector
PHARMACEUTICAL PREPARATIONS
Employees
5
Headquarters
LA JOLLA, CA
Listed
2023-04-24
Market cap
$3.90M

Frequently asked

Where can I buy GRI Bio, Inc. Common Stock (GRI)?

GRI 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 GRI after hours or overnight?

Yes. GRI 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 GRI?

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

Does Fidelity offer GRI?

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

Does Webull offer GRI?

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

Is GRI optionable?

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

Is there a tokenized version of GRI?

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 GRI?

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