Hey trader,
A trader who ignores a losing trade tends to take the same one again the following week. The account bleeds one repeat at a time.
Everyone says to learn from your mistakes. That advice is close to useless on its own. It never tells you what to learn or which part of the trade to put under the microscope.
Friday I bought a put spread on the SPY, a small capped bet that the market would pull back. It expired worthless. The trade was reasonable, and that is exactly what makes it worth studying.
I am going to walk you through the method I use to pull one clean lesson out of a loss.
It starts with an uncomfortable admission…The trade itself was not the problem…
Start By Separating The Trade From The Result
Friday opened with a slight gap.
I bought a put spread on the SPY, a capped bet that price would ease back toward 752 after a strong run.
It expired worthless. That is the result, and the result is the least useful thing in the room.
Volatility was low that day, which actually helps a spread like this. Low volatility lets me buy closer to the current price for less money.
The setup was sound. The odds looked fair.
A worthless ticket does not prove the decision was bad. Treating every loss as proof of stupidity teaches you nothing.
The first step in learning from a loss is refusing to judge it by the outcome.
I judge it by the decision I made with the information in front of me.
Find The Exact Lever You Pulled
A loss teaches nothing until you name the one decision at its center. Vague regret is not a lesson.
Here was mine. Price had run up and tested 753 three times, stalling and easing back on each try.
So I leaned on a simple idea…
A market tags a nearby level often. A pullback from 753 to 752 looked like a high-odds touch.
That was the lever I pulled. I was betting on the probability of price touching 752.
Probability of touch is a real edge in the right conditions.
It also carries a blind spot, because it ignores the force that decides whether price gets pulled anywhere at all.
Test The Lever Against The Mechanic
Every move in the SPY runs on gamma. Gamma is simply whether the dealers who take the other side of options speed a move up or slow it down.
Above 753 on Friday, the market sat in positive gamma. In that state dealers sell into strength and buy into weakness, which acts like a throttle on price.
A throttle does not pull price down to 752. It tightens the range and bleeds the energy out of the move.
The real puller is negative gamma. On Friday it sat far below, at 749 and under. That is the accelerator, where dealers sell into weakness and chase strength, which stretches moves out.
So nothing was reaching up to drag price to my level. Above 753 the structure did the opposite of what my trade needed.
As the puts lost their pull, dealers bought back their hedges. Price drifted up and pinned 755, the level stacked with the most open interest.
I said that pin out loud on Friday when the breakout hit. Gamma never means up or down on its own. It only tells you whether the next move speeds up or slows down.
The Read I’d Take Today, And The Habit Underneath It
Once I run that test, the fix becomes obvious. With the accelerator far away and a strong throttle overhead, the honest play on Friday was to lean long.
I should have bought the dips or the breakout and ridden the drift toward the pins.
The structure was quietly bullish. I traded against it.
Here is the whole miss laid out plainly.
- Setup: a low-volatility Friday with the SPY grinding up under 753
- Thesis: a pullback to 752 was a high-probability touch
- Lever: I bet on probability instead of the gamma structure
- Reality: positive gamma throttled the range and drifted price to a 755 pin
- Fix: read where the accelerators and decelerators sit, then trade with them
That last line is the habit. After any loss, I do not ask whether it lost.
I ask one thing instead. I ask whether the decision fought the mechanic or moved with it.
The result is noise. The decision measured against the structure is the signal.
That is how a worthless ticket becomes a trade I get right the next time.
Brandon Chapman, CMT
Creator of Ghost Prints
