The last episode ended on a mystery: the stop sat at 2494, but filled at 2489. The broker didn't cheat you. The market wasn't "hunting" you. It's just that at 14:30:03, at the 2494 level, there wasn't a single buyer — and your order went down the queue, sweeping up whoever was there: 2492… 2490… 2489. This chapter is about the queue. After it, you won't see candles anymore — you'll see what they're made of.
The price on screen is the price of the LAST trade — the past. Your trade fills against the CURRENT order queue — and between those two numbers lies everything: spread, depth, slippage. In a quiet hour the difference is pennies, and the myth is harmless. At 14:30 on NFP Friday the difference is points and tens of points, and the myth costs money. A professional isn't different from a novice because of forecasts — they know AT WHAT PRICE their order will actually fill.
"Colleague, novices study 'where the price will go.' That's half the craft. The other half is 'how I get in and how I get out': what order type, into what liquidity, at what spread. I've seen strategies with beautiful statistics that died from one thing — execution. Five points of slippage on a trade targeting fifteen is minus a third of the profit, before any analysis. This chapter is boring, like an engine room. But that's exactly where it gets decided whether the ship makes it."
A trader trades with a broker advertising "spreads from 0.1 points." They make 20 trades a week with market orders, half of them in the first minutes after news releases, when the spread widens 10-30x. At an average overpay of just 1.5 points per trade, that's minus 30 points a week — minus 120 a month. Their strategy, targeting +150 points a month, was profitable. Their execution wasn't. They left the market convinced "the strategy stopped working." The strategy worked. They were paying the queue without knowing it.
This is the order book (DOM, Depth of Market) — the queue of everyone who wants to buy or sell right now. Top right — sellers (ASK): these are the prices at which you can BUY. Bottom left — buyers (BID): these are the prices at which you can SELL. The gap between the best BID and best ASK is the spread: it's not a broker commission, it's the price of immediacy — what you pay for not wanting to wait. The numbers next to the prices are order volume: how many lots are queued at each level. The tape below is the log of completed trades: price, volume, second. The chart shows the past; the book shows the present; the tape shows the exact moment of exchange.
A market BUY order for 5 lots hits the book — 3 lots fill at 2505.70, 2 at 2505.80. The average fill price isn't "a price" — it's two prices at once: already micro-slippage.
A large 40-lot order sweeps four levels in a row — this is why whales don't just smash the BUY button without looking (remember this, we'll come back to it in chapter 7).
Spread 0.3, the book is thick — market orders fill with almost no loss.
Market makers pull their orders, the book empties, the spread tears from 0.3 to 4+, the tape goes wild.
The book is thin, spread 1.2, sparse tape — the same order, just more expensive.
Fill a BUY 10 lots before and after the trigger — compare the average price.
Same order — why is it more expensive than during the day?
Spread is a liquidity thermometer. Remember the three states — daytime, on news, at night. In chapter 5 you'll learn their schedule.
The presets are calibrated on our real M30 ranges by hour of day (an NFP release day: ~24 points vs ~12 points in a normal hour — exactly 2×, hence the CPI-mode multiplier). Everything else on the panel is not a measurement: we do not store the exchange order book at all, so the depth, the per-level volumes and the time-and-sales down to the second are a teaching example. They show HOW the book behaves in three regimes, not what stood in the book at the hour named.
A market maker isn't your enemy or your benefactor: it's a shop that's always open and earns on markup (the spread). During a storm, the shop raises prices or closes — it's entitled to.
Part of the queue you never see at all: iceberg orders and dark pools. We'll cover those in chapter 11 — once you can read the visible part.
Look at the 12:30 UTC bar — inside it the spread widened by multiples, and the price moved in minutes what it normally moves in half a day.
You're in a position with a stop inside this range. Your stop is a market order once triggered. At what price will it fill — at its level, or in the queue?
The historical bar shows a real price range; the spread itself isn't stored historically — its widening is shown via typical broker values, not a measurement. This is labelled intentionally.
An order type is your answer to one question: what matters more to you — PRICE or GUARANTEED ENTRY? Market says: "get me in now, price is secondary." Limit: "only at my price, I might not get in at all." Stop: "get me in once the market proves the move — even at a worse price." Stop-Limit: "prove the move, but I won't pay more than this." Everything else is a combination of these four answers.
Waiting for a pullback to support at 2480
BUY LIMIT at 2480: the queue works for me, I don't pay the spread.
BUY STOP above the level: I pay for confirmation of the move.
News in 3 minutes, I want to be in the market
I stop myself: a market order into an empty queue is the most expensive way to learn about spread.
Limit orders only, and don't be surprised by partial fills.
SBF's rule: a market order is a tool for the liquid hour. The rest of the time, the queue should work for you, not the other way around.
Drag the line above or below the current price — the label updates itself.
You placed the order above price. You can only buy above the market on a breakout — so that's BUY STOP. You can only sell above the market at a limit — so that's SELL LIMIT.
You placed the order below price. You can only buy below the market at a limit — so that's BUY LIMIT. You can only sell below the market on a breakout — so that's SELL STOP.
The price crawls across the chart. Your job is to execute six order types correctly: place the line where that type actually makes sense (BUY LIMIT — below price, BUY STOP — above, and the reverse for SELL; STOP LIMIT and TRAILING STOP follow their own logic). Place it wrong, and the trainer will explain why the order won't fire, or will fire differently than you expected.
Brokers get picked by bonuses and ads. A professional picks by execution. Here are the questions whose answers are worth more than any bonus — ask them before you deposit:
Not sure how to read the answers — SBF's team matches brokers to a client's needs; it's part of our support.
Wherever you open an account, execution quality is measurable — ask for the numbers, not the marketing page. The seven questions above are your checklist.
The price of immediacy — the gap between the best buyer and seller
Correct. Spread is paid to the queue, not the broker (the broker's commission is separate — question 6 of the "7 questions").
Not quite. Spread isn't a commission or a tax — it's the price of immediacy: the gap between the best BID and best ASK.
A stop-loss triggers. What kind of order goes to the market, and at what price will it fill?
A market order — in the queue, not at its level
Correct — that's exactly this chapter's cold open. Guaranteed stops are a separate paid service (question 5).
Not quite. A triggered stop becomes a market order and fills in the queue, not strictly at its level.
You want to buy a pullback to support without overpaying the spread at the moment of touch. Your order?
Correct. A limit order waits in the queue — the queue works for you.
Not quite. Only a BUY LIMIT right at the level waits in the queue without overpaying the spread.
Why did franc stops on 2015-01-15 fill thousands of points worse than their levels?
The queue itself vanished — there were no prices to fill against
Correct — chapter 2's station 11 plus this chapter: a stop protects against price movement, but not against liquidity vanishing. Position size protects against that (chapter 3).
Not quite. It wasn't collusion or broken stops — for a few seconds the order queue itself vanished; there was nothing to fill against.
NFP is Friday. Will gold's daily range be bigger or smaller than the monthly average?
Will Friday's gold daily bar close above its open?
Now you know: every trade has a second side, and sometimes it walks away from the counter. But here's the strange part: it walks away ON A SCHEDULE. At 3am Moscow time, the queue is always thin. At 16:30, it's always thick. Gold "explodes" at 15:30 not sometimes, but almost every day. The market runs 24 hours — but not evenly: liquidity moves around the planet chasing the sun, like a tide. Who accumulates at night, who manipulates in the morning, and who distributes in the evening — the next episode breaks down the trading day, hour by hour. Spoiler: "random" nighttime breakouts have a first name, a last name, and a motive.