# UCO Bid-Ask Spread, Liquidity and NAV Premium

> As of Oct 22, 2026, UCO’s median bid-ask spread over 30 days was 0.02%, and its IQ Liquidity Score is 82, Liquid. No fund is recommended.

Data as of Oct 22, 2026. Rebuilt every trading night.

As of Oct 22, 2026. Rebuilt every trading night.

## UCO bid-ask spread and liquidity

As of Oct 22, 2026, UCO’s median bid-ask spread over 30 days was 0.02%, and its IQ Liquidity Score is 82, Liquid.

### IQ Liquidity Score

82 of 100, Liquid, 69th percentile of 107 leverage ETFs, 3 of 6 measured.

A fixed 0 to 100 scale of trading conditions, the same anchors for every fund; 100 is the easiest to trade. It measures how cheaply and reliably the fund can be bought and sold, not whether to own it. How the score is built

Liquid: trades at a typical spread of 0.02%.

Flags: Price can drift from value.

Cost to trade, 100.0 0.02% median spread, 30 days to Oct 22, 2026 Capacity Not measured: its reference OILK is not measured (it holds commodities or futures, which have no volume source here) Price fidelity, 34.7 95% of days within ±2.13% of NAV, 250 days to Oct 22, 2026 Primary market Not measured: no SEC series id or CIK on its record Bad-day behaviour, 100.0 Premium 0.8534× normal on the 10 worst S&P 500 days, to Oct 22, 2026 Depth Not measured: needs trade and quote data (Phase 2)

### Cost for your order

| Order | Dollars | Percent | Basis |
| --- | --- | --- | --- |
| $1,000 | $0.10 | 0.01% | spread |
| $10,000 | $1.00 | 0.01% | spread |

### Full cost to own

At $10,000: 1.41% ($141) over 1 year, and 5.21% ($521) over 5 years; the fee alone is 0.95% ($95) a year. Fee, plus the round-trip spread once, plus the median premium paid at entry.

### Premium or discount to NAV

- Latest close, Oct 22, 2026: +0.14%

- 95% of days within: ±2.13%

- Days more than 1% from NAV: 51 of 250

- Widest: −9.95%, Mar 9, 2026

Close against the NAV its issuer struck the same day, 250 days from Oct 23, 2025 to Oct 22, 2026. Source: ETFIQ from the issuer’s NAV and closing price. Its holdings trade on markets that close before New York, so its closing premium carries the move since then.

### Capacity

Not measured: its reference OILK is not measured (it holds commodities or futures, which have no volume source here).

### How to trade UCO

Order type Limit: midpoint + 1¢ to buy, midpoint − 1¢ to sell. At the Oct 22 close of $63.77, that’s $63.78 to buy and $63.76 to sell. When Its holdings trade on markets that close before New York, so its price can drift from their value later in the day. Watch The premium. On 95% of days it is within ±2.13%; beyond that a buyer pays more, and a seller gets less, than the holdings are worth.

### Coming with trade data

Spread through the day, buyers against sellers, an estimate of retail flow, large trades and the closing auction’s share, each once ETFIQ has trade and quote data.

### Questions people ask

Is UCO liquid? UCO’s IQ Liquidity Score is 82 of 100, Liquid, the 69th percentile of 107 leverage ETFs, as of Oct 22, 2026. What is UCO’s bid-ask spread? 0.02% of the midpoint, the median over the 30 days to Oct 22, 2026, as its issuer states it. Half of it is about 1¢ a share at the Oct 22 close. Does UCO trade at a premium or discount to NAV? It closed +0.14% from its NAV on Oct 22, 2026. On 95% of the 250 days to then it was within ±2.13%, and it closed more than 1% from NAV on 51 of them. Who is the LMM for UCO? UCO’s lead market maker (LMM) on NYSE Arca is IMC-Chicago, LLC. Lead market maker per NYSE Arca, as of Oct 23, 2026. What does it cost to trade $10,000 of UCO? About $1.00 one way, 0.01%: half its 30-day median spread. In and out costs twice that. Owning $10,000 for a year costs about $141 all in, against $95 for the fee alone. How do I place a limit order for UCO? Set the limit at the midpoint + 1¢ to buy, or the midpoint − 1¢ to sell, in your broker’s quote. At the Oct 22 close of $63.77, that’s $63.78 to buy and $63.76 to sell.

### Sources and dates

- Spread: ProShares (fund page), 30 days to Oct 22, 2026 ( the issuer’s page ).

- Premium: ETFIQ, close against the issuer’s NAV, Oct 23, 2025 to Oct 22, 2026.

- Score: ETFIQ, Oct 22, 2026. The method is at /methodology/liquidity.

### Where to next

The score measures trading conditions, not the fund. ETFIQ is an independent publisher, not an adviser, and makes no recommendations. Standards and sources

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Source: ETFIQ, independent ETF data. Recomputed nightly from public filings and prices.
Cite: ETFIQ, UCO trading: cost, capacity, premium and dealers, data as of Oct 22, 2026. https://etfiq.com/funds/uco/trading/
Licence: https://etfiq.com/license/ Figures ETFIQ computes are free to use with attribution: ETFIQ (etfiq.com). Issuer data stays under its owner's terms.
HTML: https://etfiq.com/funds/uco/trading/