MCM · Notes · Tag
#operating
7 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.