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How to Buy Cardiff Oncology, Inc. Common Stock (CRDF) Stock

Compare 15 brokers offering CRDF, check 24-hour trading availability, see options pricing, and confirm OTC tier access.

CRDF
$1.84$0.0000 (0.00%)
Day range
$1.81 – $1.90
52-week range
$1.48 – $4.56
Volume
883.3K
Market cap
$125.80M
Exchange
XNAS
Asset class
common
Optionable
Yes
24-hour trading
Yes
Fractional eligible
Yes
Tokenized
No
Market cap tier
micro

Where to buy CRDF

15 brokers in our matrix offer CRDF (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

CRDF 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

CRDF 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 Cardiff Oncology, Inc. Common Stock

Cardiff Oncology Inc is a clinical-stage biotechnology company that leverages PLK1 inhibition, a well-validated oncology drug target, to develop novel therapies for various cancers with unmet medical needs. The company focuses on targeting tumor vulnerabilities with treatment combinations of onvansertib, its oral and selective PLK1 inhibitor, and standard-of-care (SoC) therapeutics. The firm's clinical program pipeline focuses on indications such as RAS-mutated metastatic colorectal cancer (mCRC), investigator-initiated trials in metastatic pancreatic ductal adenocarcinoma (mPDAC), small cell lung cancer (SCLC), metastatic triple negative breast cancer (mTNBC), and Chronic Myelomonocytic Leukemia (CMML). Geographically, it operates only in the United States.
Sector
BIOLOGICAL PRODUCTS, (NO DIAGNOSTIC SUBSTANCES)
Employees
31
Headquarters
SAN DIEGO, CA
Listed
1997-05-22
Market cap
$125.80M

Frequently asked

Where can I buy Cardiff Oncology, Inc. Common Stock (CRDF)?

CRDF 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 CRDF after hours or overnight?

Yes. CRDF 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 CRDF?

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

Does Fidelity offer CRDF?

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

Does Webull offer CRDF?

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

Is CRDF optionable?

Yes. CRDF has listed options contracts. Per-contract pricing varies by broker — see the Options column in the matrix.

Is there a tokenized version of CRDF?

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 CRDF?

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