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Pre-market prep

Lesson 5 · about 8 min

Every intraday session has the same shape. Volume and range are front-loaded into the first hour, decay through the middle of the day, and return into the close. A day trader who knows this map avoids most of the mistakes that come from treating 12:30 like 9:35. This module walks the clock. It starts before the bell, because the trades you take at 9:31 are decided at 8:45.

The 45 minutes before the open

US equities trade in pre-market from 4:00 ET, but almost nothing useful happens before 8:00, and the real information arrives between 8:30 and 9:30. Your prep window is 8:45 to 9:30. In that time you need to answer four questions.

1. What is the overnight context? Where are the index futures relative to yesterday's close, high and low? A gap of more than about 0.5% in the S&P changes the day's character. Note the overnight high and low of ES or NQ; both act as levels in the first hour.

2. What is scheduled? Economic releases at 8:30 (CPI, jobs, PPI) and 10:00 ET (ISM, consumer sentiment), Fed days at 14:00, and earnings before the open in the names you watch. An 8:30 release means the overnight levels are already stale by 8:31. A 10:00 release means the first 30 minutes may reverse at 10:00.

3. Which instruments are in play? For index futures traders this is trivial: the same contract every day. For stock traders it is the whole job. Build a watchlist of two to five names that have a catalyst (earnings, news, a large gap) and pre-market volume well above normal. Ignore anything with fewer than 100,000 shares traded pre-market or a spread wider than a few cents.

4. What are the levels? For each instrument, mark:

  • Yesterday's high, low and close
  • The overnight or pre-market high and low
  • The nearest daily-chart level above and below (a prior swing, a round number)
  • Yesterday's VWAP close, if the platform shows it

That is usually four to six horizontal lines. More than that and you will find a "level" at every price.

  Pre-market sketch for a stock gapping up 6% on earnings

  |                                      pre-market high 52.40 ----
  |                          ___/\__/\_
  |                     ____/           \_    <- pre-market range
  |                    /
  |  yesterday close 49.10 -------------------------------------
  |
  |  yesterday low 48.20 ---------------------------------------
  +-------------------------------------------------------------
     4:00        7:00       8:30       9:00       9:30 open

Write the plan before the bell

The output of prep is not a feeling, it is a list. One line per instrument:

XYZ. Gap +6% on earnings beat, PM volume 2.1M. Levels: PMH 52.40, PML 50.80, Y-close 49.10. Plan: ORB long above 52.40 if it holds 5 min; VWAP reclaim long if it flushes and reclaims; no shorts below 50.80 in the first 15 min.

The plan names the setups from Module 4 that are allowed today and the ones that are not. Every trade you take at 9:45 should point back to a line written at 9:15. If it cannot, it was not a trade, it was a reaction.

Key idea: Prep converts the open from a surprise into a set of pre-decided if-then rules. The rule you write at 9:15 is the one you can follow at 9:32; the one you improvise at 9:32 is the one you will regret.

What prep is not

  • It is not reading Twitter. Sentiment is not a level.
  • It is not running ten scanners. Two to five names, a handful of levels each.
  • It is not deciding the direction. The plan says "long above X, short below Y". The market picks.
  • It is not optional on quiet days. Quiet days are when unprepared traders manufacture trades.

A 30-minute prep template

Minute Task
0 to 5 Index futures: gap size, overnight high and low, any 8:30 data
5 to 10 Calendar: 10:00 releases, Fed, earnings in your names
10 to 20 Watchlist: 2 to 5 names, filter by PM volume and spread
20 to 28 Levels drawn on each, one line of plan each
28 to 30 Confirm daily loss limit and max trades on the platform

The last line is the most important. Module 7 will set the limits; the prep routine is where you confirm they are switched on before you can be tempted to switch them off.

Try it: Tomorrow, do the 30-minute template on paper without trading. At 11:00 check which of your pre-written if-then lines triggered and what happened next. Do this for five days before any live trade in this course.

Recap

  • Prep runs 8:45 to 9:30 ET: overnight context, scheduled events, instruments in play, levels.
  • Mark four to six levels per instrument: yesterday's high, low, close, the pre-market range and the nearest daily level.
  • The output is a written if-then line per instrument naming which setups are allowed today.
  • Filter stocks by pre-market volume and spread; index futures traders trade the same contract every day.
  • Confirm daily loss limit and max trades are enabled before the bell.

See it drawn

Original diagrams for the ideas on this page. Illustrative, not real market data.

Intraday price swinging around VWAPA price line for one trading day weaving above and below a smoother VWAP line, with a band drawn one standard deviation either side of it.INTRADAY PRICE AND VWAPprice9:3012:4516:00+1 SD bandVWAP−1 SD bandIllustrative session. VWAP starts fresh at the open and firms up as the day fills in.
VWAP and its standard-deviation bands. VWAP is the day's average price weighted by how much volume traded at each price, so it shows where the bulk of the day's business was done. The bands sit one standard deviation either side, and price here swings between them all session.
Bid-ask spread in an order bookSell orders stacked above buy orders with a gap between the best of each.SELLERS (asks)50.0690050.051,40050.0460050.011,10050.002,30049.99800spread = 0.03BUYERS (bids)
The bid-ask spread. Buy orders sit below, sell orders above, and the gap between the best bid (50.01) and best ask (50.04) is the spread you pay to cross. Bar length shows the size resting at each price.
A range beside a trendOne chart swinging between a flat floor and ceiling, another stepping upwards inside a pair of sloping lines.Range-boundresistancesupportprice bounces between two levelsTrendingthe trend channelhigher highs and higher lowsA range has two flat edges; a trend has two sloping ones.
Range versus trend. On the left price keeps bouncing between the same floor and ceiling, which is a range. On the right each high and each low is higher than the last, inside a pair of sloping lines called a channel.