Poker 5-Bet Strategy: Ranges, Sizing & When to Ship It
A 5-bet is almost always a shove. Value hands are AA and KK, with QQ and AKs mixed in at shallower stacks. Bluff 5-bets exist, but only in specific spots against aggressive 4-bettors. Here’s the complete breakdown.
What is a 5-bet in poker?
A 5-bet is the fifth raise in a preflop betting sequence. The open raise is bet 1, the 3-bet is raise 2, the 4-bet is raise 3, and the 5-bet is raise 4. When someone 4-bets your 3-bet and you re-raise again, that’s a 5-bet.
At 100 big blinds, the action looks like this: UTG opens to 2.5bb. You 3-bet from the BTN to 8bb. UTG 4-bets to 22bb. You shove all-in for 100bb. That shove is a 5-bet.
5-bets are relatively rare. Most preflop sequences end at the 3-bet or 4-bet stage. But when a 5-bet situation arises, playing it wrong is expensive: you’re either folding equity you should have committed to, or stacking off with a hand that should have gotten away.
Why 5-bets at 100bb are almost always all-in
By the time a 4-bet hits the felt, the pot is already large relative to effective stacks. A standard 4-bet sequence at 100bb might look like: open 2.5bb, 3-bet 8bb, 4-bet 22bb. That’s 22bb in the middle with roughly 78bb remaining.
If you raise again to 50bb, you’ve put in half your stack with 28bb behind. The pot odds your opponent gets to call that all-in are excellent. GTO solvers almost never recommend a non-all-in 5-bet at 100bb because it creates awkward stack-to-pot ratios and gives your opponent an exploitative option to call and play postflop with a range advantage.
The SPR math
After a 4-bet to 22bb, calling leaves roughly 78bb with a 45bb pot (SPR under 2). A non-shove 5-bet to 50bb leaves 50bb behind with a 95bb pot (SPR under 0.6). Neither side has meaningful postflop room. The play resolves to: shove or fold the 5-bet, call or fold the 5-bet.
At 150bb or deeper, there is occasional room for a non-shove 5-bet (perhaps to 40-50bb), but this is rare outside of high-stakes games. For most players at 100bb, 5-bet means shove.
GTO value hands for a 5-bet
Value 5-bets are hands you want to get all-in preflop. The range is tight because your opponent’s 4-bet range is already strong, and you need substantial equity to commit 100bb.
5-bet value range by stack depth (6-max cash)
The key takeaway: AA and KK are always 5-bet jams at any stack depth. QQ is the first hand where position and opponent tendency start to shift the decision. AKs is strong enough to shove in many spots, particularly against opponents whose 4-bet range includes bluffs.
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When and how to 5-bet bluff
5-bet bluffs are rare. GTO solutions include them, but at low frequencies and only with specific hands. The setup: your opponent is 4-betting at a frequency high enough that they must include bluffs, and you need to stay unexploitable by having some 5-bet bluffs in your range.
In most live games at $1/$2 to $5/$10, opponents virtually never 4-bet bluff. Their 4-bet range is AA, KK, and occasionally QQ. Against those players, 5-bet bluffs have zero value and are a clear fold-or-value decision. Bluff 5-bets are a higher-stakes and online poker concept.
When bluff 5-bets are correct, the best candidates are suited wheel aces: A2s, A3s, A4s, A5s. The same logic that makes these excellent 4-bet bluffs applies here. The ace in your hand removes combos of AA and AK from your opponent’s calling range, and the suited wheel kicker gives you a small amount of equity when called.
Why A5s makes the best 5-bet bluff
Holding an ace reduces your opponent’s AA combos from 6 to 3 and their AK combos from 16 to 12. Combined, these are the most common value hands that call a 5-bet jam. A5s also retains around 30-35% equity against AA, better than most bluff candidates. It is, frankly, still a very bad call-off versus a tight player’s 4-bet range. The blocker value is the entire justification.
Facing a 5-bet: what to do with each hand
When you get 5-bet, the decision is binary: call or fold. There is almost never a re-raise (a 6-bet) at 100bb because that would be another all-in anyway.
The key framing: 5-bets represent a very narrow range in most games. If you’ve 4-bet as a bluff with A5s or KQs, fold immediately to a 5-bet shove. Those hands have served their purpose. Calling off 100bb with a bluff-catcher vs. a range that is heavily weighted toward AA and KK is a major error.
Responding to a 5-bet shove (100bb, vs. unknown opponent)
The clearest decision tree: JJ and below fold (unless you have a specific read), AA and KK call, QQ and AKs call in most cases. AKo at 100bb is a call if your opponent has any 5-bet bluffs; fold it at deeper stacks where your equity realization decreases.
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Hand example: QQ facing a 5-bet jam
Hand scenario
Setup: Online 6-max, $1/$2, 100bb effective. UTG opens 2.5bb. You 3-bet from CO to 8bb with Q♠Q♦. UTG 4-bets to 22bb. You decide to call. Wait, you 5-bet jam instead. UTG calls.
The math: If UTG’s 5-bet calling range is only AA and KK, QQ has roughly 18% equity and is a losing all-in. If UTG calls with AA, KK, and AK, QQ has about 36% equity. Which is it?
The answer: Against a tight online unknown, QQ is a mixed spot vs. a 4-bet. Calling the 4-bet in position and playing the flop is often the better option, since you see the flop texture and can fold vs. obvious AA/KK reads. 5-betting QQ is a higher-variance line that works best against opponents whose 4-bets include bluffs.
This is why studying GTO preflop charts matters. The right line for QQ in a 4-bet pot is not a single answer. It depends on position, opponent tendency, and stack depth. Solvers show QQ mixing between call and 5-bet at 100bb, not defaulting to one action.
How position and stack depth change the 5-bet decision
Position matters less for 5-bets than in other preflop spots, because a 5-bet jam ends the hand preflop. But it affects what hands you should 5-bet for value versus call.
| Scenario | Stack depth | Impact on QQ/AKs |
|---|---|---|
| BTN 3-bet vs. UTG 4-bet (IP) | 100bb | Can call QQ and AKs; see a flop |
| BB 3-bet vs. BTN 4-bet (OOP) | 100bb | Lean toward 5-bet jam with QQ to avoid OOP postflop |
| SB 3-bet vs. BTN 4-bet (OOP) | 100bb | AKs: often shove. QQ: close, position hurts |
| Any spot | 70bb | QQ and AKs both become standard jams |
| Any spot | 50bb | JJ and AQs become more borderline jams |
Out of position, the case for a 5-bet jam with QQ and AKs strengthens because postflop play is harder when you act first on every street. IP, you can call a 4-bet with those hands and fold to a scary board. OOP, you face constant pressure and lose equity realization. The 5-bet removes that problem.
The 3 most common 5-bet mistakes
Calling a 5-bet with bluff 4-bet hands
If you 4-bet bluffed with A5s and face a 5-bet jam, the correct play is almost always fold. You 4-bet those hands specifically because they fold out weaker holdings and have blocker value. Calling off your stack with them is a completely different play — one with terrible equity vs. a shoving range of AA/KK.
Always folding QQ to a 5-bet
Queens are strong enough to call in most spots at 100bb, particularly against opponents who are 4-betting aggressively. If your opponent 4-bets 10%+ of hands, their range must include bluffs and QQ has the equity to call the 5-bet jam. Automatic QQ folds train opponents to exploit you.
5-betting without understanding the opponent
Bluff 5-bets only make sense against opponents who 4-bet frequently with bluffs. Against a tight live player who only 4-bets AA and KK, a bluff 5-bet with A5s is a pure chip donation. Exploitative poker requires exploitative adjustments. GTO balanced 5-bet ranges are for opponents who will punish imbalance.
How 5-bet ranges connect to overall preflop construction
Your 5-bet range is a product of your 3-bet range and your 4-bet defending decisions. If you 3-bet a polarized range (nutted hands plus bluffs), your 4-bet defends look like: 5-bet AA/KK with some bluffs, call QQ/JJ/AK, fold 3-bet bluffs. If you 3-bet a merged range, your defense is heavier on calls and lighter on 5-bets.
This is why studying the full sequence matters. Knowing your 3-bet strategy tells you what you have when you face a 4-bet. Knowing your 4-bet strategy tells you what your opponent likely has when they 4-bet. And both of those tell you when a 5-bet makes sense and what hands qualify.
The shortcuts: always 5-bet AA and KK. Usually call QQ and AKs at 100bb in position. Consider 5-betting QQ out of position. Fold everything weaker vs. tight unknown opponents. Introduce rare bluff 5-bets with suited wheel aces only against confirmed aggressive 4-bettors.
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5-bet strategy in live poker
Live poker changes this topic significantly. At most $1/$2 to $5/$10 live games, 4-bets are nearly always AA or KK. Players rarely 4-bet bluff. This means two things for your 5-bet strategy.
First: 5-bet bluffs have no place against live recreational players. If your opponent’s 4-bet range is only AA and KK, a 5-bet bluff with A5s is a gift. Fold bluff 4-bet hands when a live unknown 4-bets you, and 5-bet only for value.
Second: your own 5-bet range narrows. Against a live player who has 4-bet only twice in 3 hours, treat QQ as a call, not a 5-bet. Wait to see the flop. The fold equity of a 5-bet is low when your opponent is effectively saying “I have AA or KK” with their 4-bet. Understanding correct preflop raise sizing and stack-off ranges is how you avoid paying off their big hands.
Frequently asked questions
What hands should I 5-bet for value?
At 100bb, 5-bet jam AA and KK every time. Mix QQ between calling and jamming based on position and opponent. AKs is a call in position and a lean toward jam out of position. AKo is mostly call at 100bb. Everything else is either a call (JJ, TT) or a fold vs. typical opponents.
Is it ever right to fold KK to a 5-bet?
Almost never. The only scenario where folding KK has theoretical merit is against a very specific opponent with an exact read: they 5-bet only AA over a large sample. Even then, the EV difference is minimal because you only have KK roughly 6 times per 1,000 hands. In practice, calling KK vs. a 5-bet is always correct.
Should I 5-bet bluff in low stakes games?
No. At $1/$2 to $5/$10 live or low-stakes online where opponents almost never 4-bet bluff, your 5-bet bluffs have no fold equity. The correct adjustment is to widen your call range when you are the one facing a 4-bet (calling down more with JJ, AQs) and to tighten your 5-bet to pure value (AA, KK).
What is a 6-bet?
A 6-bet is a raise of a 5-bet. At 100bb it is effectively impossible because the 5-bet is already all-in. At very deep stacks (200bb+), 6-bets can occur, but they represent an ultra-premium hand or a specific read. In most games, you will never encounter one.
How does stack depth affect my 5-bet range?
As stacks get shallower, more hands become 5-bet jams. At 70bb, QQ and AKs are both standard jams. At 50bb, even JJ and AQs can be jams in the right spot. At 100bb, the range is tighter because calling and playing postflop retains more value with medium-strength hands.
If I never 5-bet bluff, is my range exploitable?
Against good online opponents who track tendencies, yes. Against most players in most games, no. The frequency of 5-bet spots is low enough that opponents rarely have enough data to exploit a balanced versus unbalanced 5-bet range. Focus on value correctness first, and add bluffs only when you are playing regularly against observant opponents.
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