MCM · Notes · Tag
#operating
13 notes tagged operating.
2026-05-01T00:00:00.000Z
Replay over re-trade
After a hard session the temptation is to put the next trade on. The cheaper, slower, harder-feeling alternative is to scrub through the day you already had and study what you actually did.
2026-04-30T00:00:00.000Z
The watchlist is a cost
Every symbol you add to a watchlist taxes attention. The case for ruthless pruning, and the test that tells you which names earn their slot.
2026-04-30T00:00:00.000Z
Reading the tape — why a marquee earns its real estate
A scrolling tape isn't decoration. Used right, it's the cheapest situational-awareness instrument an operator owns — and the discipline of reading one trains a habit no chart can substitute for.
2026-04-30T00:00:00.000Z
Reading the heatmap — what color isn't telling you
A green grid at the open and a green grid at the close are the same picture and two completely different signals. The heatmap rewards the operator who knows which one they're looking at.
2026-04-30T00:00:00.000Z
Pre-market is mostly noise
Futures move every minute and most of it is rumor laundering. A short list of when the pre-market print actually matters, and the much longer list of when it doesn't.
2026-04-30T00:00:00.000Z
Drawdown psychology — the percent you survive
A 50% drawdown needs a 100% recovery. The math is the easy part. What that asymmetry does to discipline is where most accounts actually die.
2026-04-30T00:00:00.000Z
Correlation breaks before it explains
Pairwise correlation between SPY and QQQ runs near 0.95 most of the time. When it doesn't, something has changed before the news catches up to it.
2026-04-29T00:00:00.000Z
The journal pays back the entry you almost skipped
The trade journal costs ninety seconds at the desk and pays back six weeks later, when your past self talks the present one out of the same losing setup.
2026-04-25T00:00:00.000Z
Sector rotation is the current under your name
Most great trades in a rotating market are sector trades wearing a stock-picking costume — and the operator who can't tell the difference learns the wrong lesson from the win.
2026-04-21T00:00:00.000Z
The 200-day still organizes the chart
The 200-day moving average isn't a great indicator — it's a Schelling point, and that's a different and more durable kind of useful.
2026-04-17T00:00:00.000Z
Where you put the stop is what you actually believe
Most stops sit at round numbers or 5% below entry — convenience markers dressed up as risk management. The real stop is the price that, if it prints, your reason for being in the trade is wrong.
2026-04-12T00:00:00.000Z
The earnings print is a different game
Holding through the print and holding into the print are unrelated propositions, and most operators lose money pretending they're the same trade.
2026-04-08T00:00:00.000Z
Liquidity is the ceiling on position size
Your account balance tells you what you can buy. Average daily volume tells you what you can sell — and only the second number actually matters.