Late Friday: thin books and thinner patience

[Fairman]

Late Friday: thin books and thinner patience

A pattern worth knowing: after about 3pm New York on a Friday, the character of the market changes. Position squaring dominates. Big players do not want weekend risk, so they flatten, and the flow that remains is mostly one-way unwinding.

That makes for a few fast, ugly moves on very little volume. Technical levels that held all week get ignored, and breakouts that would normally follow through fizzle without explanation.

On top of that, brokers sometimes widen spreads and trim leverage ahead of the weekend, so costs rise precisely when edge falls.

A short scenario: a scalper takes a clean breakout setup at 3:40pm Friday, gets filled two tenths of a pip worse than expected, sees a promising push, and then watches price drift back as soon as the last buyers vanish. The same setup at 10am Wednesday would probably have worked.

Plenty of experienced traders simply stop on Friday afternoon, and their results do not suffer much for it.

The point is not that Friday afternoon is untradeable. It is that the usual rules lose reliability, and the cost of being wrong rises just as the spread does.

Do Friday afternoon trades show a different win rate in your records?