Part 5 · Lesson 2 of 5 · 8 min read
Kill Long & Kill Short (the exchange's liquidity-sweep phase)
From Master Cường Boss's teaching sessionsLesson 28 of 84 in the courseUpdated 2026-08-05
In this lesson
Core idea
At the end of a prolonged range, once the width has narrowed into a triangle shape and the crowd's patience is exhausted, the market often produces a very fast, very sharp jerk to one side — the purpose being to stop out the trapped side and suck FOMO traders in, then reverse immediately. That's the kill short phase (jerking up) or kill long phase (slamming down). It doesn't violate the theory — people lose because of psychology, not knowledge. The advance warning sign fits in one sentence: price moves very fast but fails to break the barrier, and the lower timeframe can't complete its momentum.
Details
The context that produces a kill phase
This is hands-on trading experience, not a formula-based theory — the teacher says plainly that he can't put it into the curriculum because there's no quantitative basis for it. But the circumstances in which it appears repeat a lot:
- The market has been ranging for 1–2 weeks, the width gradually narrows into a triangle (first H4 ranges, then H1 ranges too, and finally even 15m ranges).
- At the tip of that triangle, all timeframes below 1D are ranging — favoring neither up nor down, ceding the decision to the ≥1D timeframes.
- The higher timeframes (1D/2D/3D) are still holding the old trend, with no reversal signal yet.
- The crowd's psychology has been "tortured": up-down-up-down, hope-disappointment repeating many times over. There's a feeling of "the sea's been calm for too long, a storm is coming."
Exactly at this point, the exchange/market-maker group jerks the price once to sweep liquidity on both ends.
Kill short — jerk up then drop
- Price springs up very fast, almost vertically, in just 1–2 H1 candles, reaching up to touch the resistance zone above.
- Dual target: stop out the shorts who are holding on below + suck in FOMO longs who jump in at the top.
- Then price drops back very fast — "what goes up fast comes down fast too."
- Usually appears when the higher timeframe's main trend is still down → this jerk is just an inflated bounce wave.
Kill long — slam down then bounce
- Symmetrical: price is slammed very fast down to the support zone, stopping out the longs, sucking in the shorts, then bouncing back up.
- Usually happens right before a bounce wave on a higher timeframe — slamming down once to support to accumulate before pulling it up.
- A common structure: jerk up very fast (kill short) → slam down very fast (kill long) → only then enter the real wave of the higher timeframe.
Why the crowd gets fooled almost for certain
In a narrow range, the RSI of every timeframe is hovering around 40–60. Price only needs to nudge a little and:
- Every small timeframe (5m, 15m, H1, H4) flips to "up-agreement" state instantly.
- It looks extremely convincing on screen: a strong price bounce + multi-timeframe agreement.
But that's false agreement — it's merely a mechanical consequence of RSI sitting in the middle zone, not a consequence of real buying force.
7 warning signs to spot BEFORE getting caught
| # | Sign | Why |
|---|---|---|
| 1 | You're at the end of a narrowing range, and the ≥1D timeframe hasn't changed trend | The standard context for a kill phase |
| 2 | Price covers a long stretch in just 1–2 candles | A real wave never comes from 1–2 candles; it takes a combination of roughly a dozen candles to accumulate enough buying/selling force |
| 3 | Price is still below resistance (kill short) or above support (kill long) of the dominant timeframe | If the barrier hasn't been broken, a fast rise/drop means nothing no matter how sharp. Base rule: don't go long below resistance, don't go short above support |
| 4 | It rises fast but doesn't come back to retest / can't "lock in" resistance | A real breakout has to break through and then hold. Failing to lock it in → the H1/H4 downward structure is still intact |
| 5 | No pattern — just messy jerks up and down | A pattern = the trace of accumulated buying/selling force. No pattern → the wave isn't durable → High-probability patterns (high-probability pattern) |
| 6 | The small timeframe fails momentum: 5m has upward momentum, but 5m's correction leg drags 15m into a correction too | This is a signal of upward momentum failing → confirming the jerk has run out of force → Rising momentum / falling momentum (QTT – QTG) |
| 7 | H1/H4 fails to create the corresponding momentum | If H1/H4 have no momentum, there's not enough force to pull 1D/2D → the jerk definitely won't turn into a trend |
How to stay out
- Don't FOMO-chase it. Price flying is the moment to sit still, not the moment to click the order button.
- Wait for at least one weakening process (a 5m/15m correction) before making a decision — even a decision to enter in the same direction.
- In the end-of-range stage: adopt a tight defensive mindset — lower expectations to the max, raise caution to the max, close as soon as force runs out, don't hope for more.
- If there's no pattern, skip it, accept staying out for a whole week. The opportunity cost of that whole zone is only a few hundred points — not worth trading your account for.
How to take advantage (flip the kill phase around)
There are two branches; choose based on what the market shows, not by guessing ahead:
Branch A — the jerk is real (a genuine break): price rises above resistance, locks in that resistance, then forms a clear bounce wave at 15m/H1 → only then do you go long, because there's now a clear breakout signal.
Branch B — the jerk is a kill (the barrier holds): price reaches resistance without breaking through, and the small timeframe signals a failed upward momentum → look for a short right at that zone. This is the best setup of the whole phase, because price drops very fast and the SL is very tight (placed above the high just made).
General principle: let price show you first, react second. Don't predict the direction of the jerk.
Putting it into practice
- When you spot a range narrowing into a triangle → write into the scenario: "there could be a two-sided kill phase", mark out the upper resistance and lower support of the dominant timeframe in advance.
- Set price alerts at those two edges instead of watching the screen (watching the screen is exactly what feeds emotion).
- When the alert fires, run through the 7-sign checklist above before doing anything. Until you've finished answering it, don't click the order button.
- If you decide to enter via Branch B: set the SL right above the high/below the low just made, use small size (a range phase means smaller size), and set TP at the opposite edge — see Moving the stop-loss point (moving the SL) and Entry point (entry point).
- After every kill phase, log it in your journal: what did you feel while price was flying? That's data more valuable than the trade itself.
What the teacher stresses / common traps
- The mistake isn't in the theory but in the psychology. The theory already forbids three things, and anyone caught by a kill phase violates all of them at once:
- Going long below resistance / short above support.
- Placing the SL too far away (because they entered in the middle of the zone, with no nearby low/high to anchor it).
- Inferring wave C from just seeing wave A — without wave B there's no basis → Wave validity — the equation a + b = c (the validity of the ABC wave).
- The hope–disappointment chain is the kill phase's main weapon. After being tortured for 1–2 weeks, when the first ray of hope appears (price springs once in 1–2 H1 candles), people lose emotional control and enter with a very large size. That's the moment the account blows up, not the moment of a wrong analysis.
- Don't let how fast price moves control your emotions. The teacher says it plainly: price springing a few percent is already enough to make you lose the clarity to analyze.
- Don't switch coins to trade just because you're bored of the range. Jumping to another chart "to feel less bored" is the fastest way to get scattered.
- If a barrier hasn't been broken, the barrier is still valid, no matter how fast price rises. This is the closing line of the whole session.
- This is observational experience, with no probability figure — use it to stay clear-headed and stay out, not to mechanically bet against the move.
Related lessons
- Range vs trend tactics (range vs trend tactics) — the kill phase is a specialty of the range phase; the psychology playbook must be set beforehand
- Identifying the range zone (identifying the range zone) — recognizing which timeframe a range belongs to, marking the edges
- Rising momentum / falling momentum (QTT – QTG) (RSI up/down momentum) — a failed momentum is confirmation sign #1
- High-probability patterns (high-probability pattern) — no pattern, no entry — this filters out the kill phase directly
- Entry point (entry point) — the correct entry at the edge once the kill phase has revealed itself
- Moving the stop-loss point (moving the SL) — placing/moving the SL when trading against the jerk
- Building a wave scenario (building a wave scenario) — writing the "possible two-sided kill" scenario before it happens
- Wave-nature theory (permission from the higher timeframe, backing from the lower timeframe) (the nature-of-waves theory) — a wave needs a combination of many candles, it isn't born from 1–2 candles
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