The closing drive is the directional push that can form in the final minutes as imbalances and hedging flows peak into the 4pm close. It’s the mirror of the opening drive.

What drives it

Into the close, MOC imbalances reveal institutional pressure, charm/gamma hedging intensifies, and the closing auction looms. When a strong imbalance or negative-gamma regime dominates, price can drive hard into 4pm (the closing drive). When positive gamma and no imbalance dominate, it pins instead.

Trend or pin

The key read is which force wins: a big imbalance or negative gamma favors a closing drive (trend into the bell); positive gamma with balanced flow favors a pin (drift and stick). Watch the published imbalance and the gamma regime to anticipate which you’ll get — and know it can flip fast.

The close either drives or pins — imbalance and gamma decide which. Read them, or the last five minutes will read you.

What it means for a scalper

The closing drive can be a clean momentum trade — but it’s the riskiest window on 0DTE (max gamma, wide spreads, fast decay). Many scalpers avoid it; if you trade it, lean on the imbalance and gamma read. Respect that holding into the close is where a lot goes wrong.