IQ

Market, limit and stop orders: what each does to your price

A six-minute lesson on real ETF data, with a quiz.

Slide the order size to see what one order costs in each fund.$10,000On $10,000: TINY market order $33, NOBL market order $1, TINY limit, 10¢ above the middle $16.Hypothetical order sizes. One-way costs from spreads as of Nov 6, 2026. The limit row fills only if a seller meets it.Step 1: the gap. TINY's typical spread was 0.65% of its price; NOBL's was 0.02%.At TINY's $64.17 close, 0.65% is about 42¢, so a typical quote sits about 21¢ either side of the middle: roughly $63.96 bid and $64.38 ask.Step 2: a $10,000 market buy. It pays the ask, half the spread above the middle price.TINY: $10,000 × 0.325% = $32.50NOBL: $10,000 × 0.01% = $1.00Step 3: a limit buy instead. Set TINY's limit 10¢ above the middle, at $64.27.Shares: $10,000 ÷ $64.17 ≈ 155.8Cost above the middle: 155.8 × $0.10 ≈ $15.58About $17 less than the market order, if it fills: a seller must come down to $64.27.Step 4: a stop on a fast day. On Aug 24, 2015, US stocks opened sharply lower. SPY opened 5.2% below its prior close. IVV, another S&P 500 fund holding the same stocks, traded more than 20% below its prior close. Buyers were scarce, so market and stop orders sold into whatever bids were left.A sell stop on IVV set 10% below its prior close would have triggered and sold at the next bid, far below the stop. SPY closed that day down 4.2%.

Trading Basics · Lesson 2 of 71234567

The question

My broker asks "market, limit or stop?" What does each one do to the price I get?

The idea

  • An order is your instruction to your broker. Every ETF has two live quotes. The bid is the most anyone will pay right now. The ask is the least anyone will sell for. The gap between them is the spread.A market order fills right away at the best price on offer. A buy pays the ask; a sell gets the bid.A limit order fills only at your price or better (lower for a buy, higher for a sell). It protects your price but may not fill at all.A stop order waits until the price reaches a trigger you set, then becomes a market order. A stop-limit becomes a limit order instead, so it may not fill.

Worked example

The 4 steps beside the drawing at the top work this through on ETFIQ data. Point at a step to light the part of the drawing it describes.

NOBL (a large dividend fund) and TINY (a small nanotechnology fund) both closed near $60 on Nov 10, 2026.

The common mistake

"A stop-loss order guarantees I sell at my stop price." The stop is only a trigger. Once touched, your order sells at whatever bid comes next. In a fast drop, or a fund with a wide spread, that bid can sit well below your stop. A stop-limit adds a floor, but then it may not sell at all.

Check your understanding

Pick an answer to see why. Two of three right passes the lesson.

1. A fund shows a bid of $20.00 and an ask of $20.10. You place a market buy. What price do you most likely pay?Answer: C. $20.10. a market buy takes the sellers' best price, the ask. Not B: $20.05 is the middle; only a limit order can aim there, if a seller agrees.2. You own a fund trading at $50 and set a sell stop at $45. Bad news hits, and the next trade happens at $41. What happens?Answer: B. The stop triggers and sells as a market order, near $41. at the trigger, a stop becomes a market order and sells at the next bid. Not A: a stop sets when you sell, not your price.3. You place a limit buy at $64.27. The ask stays at $64.38 all day and no seller comes lower. What happens?Answer: B. It does not fill. a limit fills only at your price or better; no seller met $64.27. Not A: $64.38 breaks your limit; that is what a market order pays.

Takeaways

  • A market order buys at the ask and sells at the bid: the spread is the price of speed.
  • A limit order fixes your price but not your fill; it matters most with a wide spread.
  • A stop order becomes a market order when it triggers, so it can sell well below the stop.

Do it on ETFIQ

Check the cost of your own order

Cite this pageCitation, APA and Markdown

ETFIQ, Market, limit and stop orders: what each does to your price, data as of Nov 10, 2026. https://etfiq.com/academy/trading-basics/order-types/

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Free to use with attribution for ETFIQ’s data. Not investment advice.

Not investment advice. ETFIQ is independent and makes no recommendations.