SEP · ISSUE 37 · September 9, 2026
CONCEPTSupport and resistance: why price bounces
Two invisible lines where supply and demand change hands. The most basic and most useful map on the chart.
SUPPORT
floor
where the drop halts
RESISTANCE
ceiling
where the rise halts
THE KEY
memory
price remembers levels
THE IDEA
2 lines
a floor and a ceiling
Support is the level where a decline tends to halt because buyers step in. Resistance is the ceiling where a rise stalls because sellers step in. It's not magic: these are zones where many participants made decisions before and remember them.
SIMPLE RULE
TO GET IT2
2
the only two things a level does
Hold (bounce) or break (breakout). All of technical analysis turns on that binary question.
At a key level, price has only two possible answers. Knowing which to expect, and what to do with each, is half the battle.
- BOUNCE
- — Price touches a level and turns the other way.
- BREAKOUT
- — Price cuts through the level and keeps going the same way.
THE IDEA
TO REMEMBERPrice has a memory
“A level isn't a magic line: it's the memory of thousands of decisions that switch back on when price passes through.”
Levels work because people remember where they bought or sold. That collective memory turns into real orders that halt price.
- PRICE MEMORY
- — The market's tendency to react at levels where it already reacted before.
- ORDERS
- — Buy or sell instructions that pile up at specific levels.
EXAMPLE
SAMPLE CHARTThree touches and a break
Each bounce confirms the level, but also wears it down. The more times a support is tested, the weaker it gets.
An illustrative example, not a real asset. Price tests the same floor three times and, on the fourth, breaks it.
- TOUCH
- — Each time price reaches a level and reacts.
- WEAR
- — The loss of strength of a level after being tested several times.
THREE KEYS
WHAT MATTERSThree things to know about levels
THEY FLIP
When a support breaks, it usually starts acting as resistance (and vice versa). It's the 'polarity change': yesterday's floor is tomorrow's ceiling.
ROUND NUMBERS WEIGH
Round numbers (100, 1,000, 50,000) act as magnets: everyone watches them at once, so that's where orders pile up.
BEWARE THE FAKE
Not every break is real. A 'fake breakout' crosses the level for a moment and slips back inside. Volume helps tell the good one from the trap.
With these three ideas you stop seeing the chart as random lines and start reading the logic behind it.
- POLARITY CHANGE
- — When a broken support starts acting as resistance, or vice versa.
- FAKE BREAKOUT
- — An apparent break of a level that quickly reverses.
ANATOMY
WHAT MAKES A LEVEL STRONGWhy some levels hold better than others
The more times it's respected, the more the market watches it
Heavy trading there = many orders anchored
A level that holds for months weighs more than a one-day one
Round numbers pull attention and orders
A support touched many times, with volume and respected over time, is the one that truly matters to watch.
Not all supports are equal. These are the factors that give one strength. Weights are illustrative, not an exact formula.
- VOLUME
- — The amount traded; it confirms whether a level has real participation behind it.
- ANCHORED
- — Orders piled up at a level that halt price when it arrives.
TO PRACTICE
6 EXAMPLESWhere to watch levels in practice
| SPY | ~640 | → n/a | The S&P 500. Multiples of 100 tend to act as psychological magnets. |
| QQQ | ~560 | → n/a | Nasdaq-100. Very technical: it respects moving averages and round numbers. |
| IWM | ~230 | → n/a | Small caps. Wide range: a good lab for support and resistance. |
| TLT | ~90 | → n/a | Long US Treasuries. Round levels mark clear decision zones. |
| GLD | ~400 | → n/a | Gold. Its 200-day is a textbook support-resistance that many follow. |
| BTC | ~80k | → n/a | Bitcoin. Big round numbers (80k, 100k) concentrate orders to an extreme. |
Liquid assets where levels show up clearly. Prices rounded for illustration, not the day's quotes.
- LIQUID
- — An asset with heavy trading; you buy and sell without moving the price much.
- MA200
- — The 200-day average; it often works as dynamic support or resistance.
- ILLUSTRATIVE
- — An approximate example to grasp the idea, not a figure for the day.
CLOSE
FOLLOW USWill you see the chart differently now?
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- SUPPORT
- — A floor where a decline tends to halt.
- RESISTANCE
- — A ceiling where an advance tends to halt.