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What is the difference between bid, ask and current price?

GlobalPublished 6 October 2026 · Written by BuyMeWhiskey Editorial Team · How we check facts

The bid is the highest price a buyer is offering and the ask is the lowest price a seller is offering. The gap is the bid-ask spread. A displayed current price is not necessarily the price you will get.

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Use a limit order when the exact maximum buying price or minimum selling price matters more to you than immediate execution, and always look at the live bid and ask before trading.

Read the SEC’s bid and ask explanation

Run your own numbers: Compound interest and savings calculator.

The bid is what buyers are offering

The bid is the highest price a buyer is currently willing to pay for a specified number of shares. If you want to sell immediately and there is enough size available, a marketable sell order will generally interact with bids on the relevant market.

The bid can change many times in a second. It is not a promise that every share you own can be sold at that price: the displayed size may be smaller than your order, and other orders may move ahead of you.

The ask is what sellers are offering

The ask, sometimes called the offer, is the lowest price at which a seller is willing to sell the stock. A buyer using a marketable order may trade against the ask. The SEC notes that the ask is normally above the bid, and the difference is the spread.

For an investor, this means the same stock can show one price for buying and another for selling at the same moment. The apparent “current price” does not remove the spread.

The spread is a real trading cost

The bid-ask spread is the difference between the two quotes. A narrow spread generally means it costs less to cross from one side of the market to the other, while a wide spread can be expensive, especially in an illiquid stock.

FINRA's investor material explains that illiquid securities can have wider spreads and that a large spread can reduce returns by increasing the effective purchase cost or lowering the effective sale price. Zero commission does not necessarily mean zero trading cost.

So what is the “current” price?

Different websites use “current price” differently. It may mean the last traded price, the midpoint of a quote or another displayed reference. Investor.gov defines bid and ask directly, which is more useful when you are about to place an order.

If the screen says $50, check whether that $50 is a last trade, a midpoint or a quote. A buyer may see an ask of $50.10 while the bid is $49.90. A market order is not guaranteed to fill at the last-traded $50.

What if the bid is higher than the ask?

In a normal displayed market, the bid is ordinarily below the ask. A momentary crossed quote - where a displayed bid is at or above a displayed ask - can reflect the way different venues or feeds update, auctions or other market conditions are handled. It should not be treated as a simple “free money” opportunity.

Do not infer that you can buy at the lower ask and immediately sell at the higher bid without considering venue, timing, order priority, settlement, fees and whether the quotes are executable for your size.

Market order versus limit order

A market order prioritises execution but does not guarantee a particular price. FINRA explains that a market order will generally execute at or near the current bid or ask but can receive a worse price in a fast-moving market.

A limit order sets the worst price you are willing to accept: a buy limit can execute only at or below your limit, while a sell limit can execute only at or above it. The trade-off is that the order may not execute at all.

Where market makers fit in

A market maker stands ready to buy or sell at quoted prices. The SEC explains that brokers can route orders to exchanges, market makers, electronic communications networks or other execution venues. A market maker may earn money from the spread, although a broker’s overall economics and execution obligations are broader than that single difference.

Your job as an investor is not to predict the market maker’s margin. It is to understand what price your order can receive and whether the quoted spread is acceptable for the security and the size of your trade.

What if a trader charges for a service without agreeing a price?

That is a separate contract question, not a bid-ask question. A trader or investment service provider should make applicable fees and charges clear in its terms or disclosures. If a price was never agreed and a dispute develops, the answer can depend on the contract, communications and applicable law.

Do not confuse a broker’s service fee with the market spread. One is a charge under an agreement; the other is a feature of the market quotation.

Illustrative bid-ask spread on 100 shares

Worked example

Illustrative quote: imagine a stock displays a $49.90 bid and a $50.10 ask.

Bid-ask spread: $50.10 − $49.90 = $0.20 per share.
Midpoint: ($49.90 + $50.10) ÷ 2 = $50.00.
Buying 100 shares at the displayed ask would cost 100 × $50.10 = $5,010, before any broker fees or taxes.
Selling 100 shares at the displayed bid would produce 100 × $49.90 = $4,990, before fees.

The $20 difference illustrates the spread on 100 shares. Actual execution can be better or worse depending on order type, available size, speed and market conditions.

The figures are illustrative rather than a live quote. In practice, prices can move between order entry and execution, particularly in a fast market. The spread is therefore a trading-cost consideration, not a guaranteed profit opportunity.

Why is the buy price different from the sell price of a stock?#

Because the market has separate bids from buyers and asks from sellers. The difference is the bid-ask spread. Your broker may also charge a separate fee, but that fee is not the same thing as the spread. The actual execution price can differ from a displayed quote, especially in a moving market.

Does the market maker buy at the bid or the ask?#

A market maker that is buying from an investor normally pays the bid, while a market maker selling to an investor normally offers the ask. The exact execution path depends on the venue and order routing, so the quote is not the same as a guarantee.

What does a stock’s current price actually mean?#

It depends on the data source. “Current price” can refer to the last trade or another reference price. Before placing an order, look at the live bid and ask because those quotes are more directly relevant to the price available to a new order.

What happens if the bid is higher than the ask?#

A normal quote generally has bid below ask. A temporary crossed market can arise from different venues, data timing or market structure. It should not be treated as guaranteed arbitrage because execution, size, timing and venue matter. The actual execution price can differ from a displayed quote, especially in a moving market.

Can I be charged for a trading service if we never agreed the price?#

That is a contract and disclosure issue, not a market-spread rule. Check the service terms, fee schedule and messages exchanged before the work was supplied. If there is a dispute, consider the law of the relevant jurisdiction and the firm’s complaints process.

Is a wider bid-ask spread bad?#

A wide spread usually means a higher cost for someone crossing from buying to selling and can signal lower liquidity. FINRA notes that illiquid investments can have wider spreads and can be harder to sell at a favourable price when you need to.

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Sources

Figures were checked against these sources before publication. If a rule changes, we update the page and show the new date.

General information, not personal financial advice. Rules depend on your circumstances; check the official source or speak to a regulated adviser before acting.