How to Buy United Acquisition Corp. I Units, each consisting of one Class A ordinary share and one-quarter of one redeemable warrant (UAC.U) Stock
Compare 15 brokers offering UAC.U, check which offer overnight sessions, and confirm OTC tier access.
- Day range
- $0.0000 – $0.0000
- 52-week range
- $9.88 – $10.41
- Volume
- 0
- Market cap
- —
Where to buy UAC.U
15 brokers in our matrix offer UAC.U (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
These brokers run an overnight session: Charles Schwab (thinkorswim), Interactive Brokers, Robinhood, E*TRADE (Morgan Stanley), Webull, Moomoo, Firstrade. Each publishes its own list of symbols admitted to that session, and those lists are typically limited to large-cap index members. We do not track them per symbol, so check whether UAC.Uis on your broker’s list before planning an overnight order.
Overnight sessions route through ATSs, typically have wider spreads, accept limit orders only, and offer no guaranteed fills.
Penny stock / OTC routing
UAC.U 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 United Acquisition Corp. I Units, each consisting of one Class A ordinary share and one-quarter of one redeemable warrant
- Sector
- BLANK CHECKS
- Headquarters
- BOCA RATON, FL
- Listed
- 2026-01-29
Frequently asked
Where can I buy United Acquisition Corp. I Units, each consisting of one Class A ordinary share and one-quarter of one redeemable warrant (UAC.U)?
UAC.U 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 UAC.U after hours or overnight?
Most brokers in the matrix support pre-market (4 AM–9:30 AM ET) and after-hours (4–8 PM ET) sessions. A true overnight session is offered by Charles Schwab (thinkorswim), Interactive Brokers, Robinhood, E*TRADE (Morgan Stanley), and others, but each admits only its own list of symbols — usually large-cap index members — so confirm UAC.U is eligible with your broker. Overnight sessions route through ATSs with wider spreads and limit orders only.
Does Robinhood offer UAC.U?
No. Robinhood does not provide access to the OTC tier UAC.U trades on. Interactive Brokers, TradeStation, and Firstrade have the broadest OTC coverage.
Does Fidelity offer UAC.U?
Partial. Fidelity's OTC access is tier-limited — see the OTC columns in the matrix to check whether UAC.U's specific tier is supported.
Does Webull offer UAC.U?
Partial. Webull's OTC access is tier-limited — see the OTC columns in the matrix to check whether UAC.U's specific tier is supported.
Is UAC.U optionable?
No. UAC.U does not have listed options contracts at the moment.
Is there a tokenized version of UAC.U?
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 UAC.U?
9 brokers in the matrix offer fractional shares, but each restricts the feature to its own symbol universe — Schwab to the S&P 500, Robinhood to stocks above a market-cap floor, Fidelity to a 7,000-name list. Check the Fractional column above for each broker's scope and minimum, then confirm UAC.U qualifies.
Related reading
Background on the trading features that apply to UAC.U.