Understanding VPIP, PFR and 3-Bet%: A Beginner's Guide to HUD Stats

What a HUD is actually showing you

A HUD reduces a player's entire history at the table down to a handful of percentages. The three you'll see on almost every default profile — VPIP, PFR and 3-bet% — aren't arbitrary; together they sketch how loose, how aggressive, and how willing to apply pressure preflop a player is, before you've seen a single one of their hands live.

VPIP: how often money goes in voluntarily

VPIP (Voluntarily Put money In Pot) counts any hand where a player calls or raises preflop — it excludes the blinds when nobody's acted on them yet, since posting a blind isn't a choice. A player who plays 45% of hands is playing very loose; one at 15% is playing very tight. There's no single "correct" number — it depends on position, stakes, and the player's overall strategy — but it's the fastest read on how wide someone's starting range is.

PFR: how often they raise first

PFR (PreFlop Raise) counts only hands where a player raises before the flop — a subset of VPIP, since you can't raise without voluntarily putting money in. Comparing the two tells you more than either alone.

The VPIP/PFR gap

A player with VPIP 24% and PFR 22% is playing almost everything aggressively — raising nearly every hand they enter, rarely just calling. A player with VPIP 40% and PFR 10% is doing the opposite: entering a lot of pots passively, calling far more than raising. That gap is often a better read on a player's general style than either number alone, and it's usually the first thing experienced players glance at on an unfamiliar HUD.

3-bet%: aggression a level deeper

3-bet% measures how often a player re-raises a raise. It's a smaller sample by nature — it only counts hands where someone else already raised — so it takes longer to stabilize than VPIP or PFR. A high 3-bet% generally signals a player who applies preflop pressure rather than just calling raises; a very low one often signals a passive, calling-heavy style even if their VPIP looks otherwise normal.

Numbers alone don't tell you the whole story

These stats describe how often, not how well. A 22/20 player can be a strong, disciplined regular or a straightforward, exploitable one — the HUD tells you the shape of their range, not the quality of their decisions inside it. Read them as a starting point for a read, not a verdict.

Before you trust any of it

None of these numbers mean much on a small sample — see how many hands you need before your stats are reliable for roughly where VPIP, PFR and 3-bet% actually start to stabilize.