How to Buy Codexis, Inc. (CDXS) Stock

Where to buy CDXS

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

Broker	Commission	Fractional	Extended	Overnight	Options	OTCQX	OTCQB	Pink Cur.	Pink Ltd.	Grey	Surcharge	Short locate
FirstradeReview	$0	~4,000+ tickers, ≥ $5		~1,200	$0	Full	Full	Full	Full	Limited	—	limited
Interactive BrokersReview	$0 (Lite) / per-share (Pro)			~10,000	per-contract pricing	Full	Full	Full	Full	Full	Per-share pricing applies	best
TradeStationReview	$0 listed				$0.50 / $0.60	Full	Full	Full	Full	Limited	$0.005/share OTC (TS Select/TS Go), $0 up to 10,000 shares	strong
Charles Schwab (thinkorswim)Review	$0	Schwab Stock Slices, S&P 500 only, ≥ $5/slice, up to 30 at once		~1,130	$0.65	Full	Full	Full	Limited	Limited	Variable service fees on certain restricted	moderate
E*TRADE (Morgan Stanley)Review	$0 listed			~20	$0.65	Full	Full	Full	Full	Limited	$6.95 flat on penny stocks	moderate
FidelityReview	$0	Stocks by the Slice, 7,000+ stocks/ETFs, from $1			$0.65	Full	Full	No	No	No	—	limited
Merrill EdgeReview	$0				$0.65	Full	Full	Full	Limited	No	—	none
MoomooReview	$0				$0	Limited	Limited	Limited	No	No	—	limited
Public.comReview	$0				rebate model	Limited	Limited	Limited	No	No	—	none
SoFi Active InvestingReview	$0				$0	Full	Limited	Limited	No	No	—	none
tastytradeReview	$0 stocks				$1.00 open, $0 close (capped at $10 per leg)	Limited	Limited	Limited	No	No	—	limited
WebullReview	$0				$0	Limited	Limited	Limited	No	No	—	limited
CenterPoint SecuritiesReview	Per-share (day-trader oriented)				per-contract	Full	Full	Full	Full	Full	Per-share	best
Cobra TradingReview	Per-share (day-trader oriented)				per-contract	Full	Full	Full	Full	Full	Per-share	best
SpeedTraderReview	Per-share (day-trader oriented)				per-contract	Full	Full	Full	Full	Full	Per-share	best

24-Hour / Overnight trading

CDXS 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.

Penny stock / OTC routing

CDXS 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 Codexis, Inc.

Codexis Inc is a biotechnology company engaged in providing enzyme-based technology solutions to improve pharmaceutical manufacturing processes. The company operates through two key business areas: the ECO Synthesis manufacturing platform and small molecule pharma biocatalysis. The ECO Synthesis platform focuses on developing enzymatic processes for the large-scale manufacture of RNA interference therapeutics, while the biocatalysis business utilizes engineered enzymes to enhance efficiency, yield, and sustainability in small molecule drug manufacturing. Geographically, it derives maximum revenue from the Americas.

Sector

INDUSTRIAL ORGANIC CHEMICALS

Employees

146

Headquarters

REDWOOD CITY, CA

Listed

2010-04-22

Market cap

$234.51M

Frequently asked

Where can I buy Codexis, Inc. (CDXS)?

CDXS 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 CDXS after hours or overnight?

Yes. CDXS 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 CDXS?

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

Does Fidelity offer CDXS?

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

Does Webull offer CDXS?

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

Is CDXS optionable?

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

Is there a tokenized version of CDXS?

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 CDXS?

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