Definition
Exploitative bet sizing means adjusting your bet size based on opponent tendencies rather than using balanced, GTO-informed sizing.
Size your bets to maximize profit against specific opponents
Sizing vs Calling Stations
They call too much—size up for value.
| Value Bet Size | vs Normal | vs Station |
|---|---|---|
| Flop | 50-66% | 75%+ |
| Turn | 66-75% | 100% |
| River | 75% | 100-150% |
For bluffs: Don't bluff, or use minimum sizing.
Sizing vs Over-Folders
They fold too much—use minimum sizing.
| Bluff Size | Logic |
|---|---|
| 25-33% pot | Same fold equity |
| Less risk | They fold anyway |
| Efficient | Maximum profit per bluff |
For value: Normal or smaller (they fold to any bet).
Sizing Based on Hand Strength
Polarized Sizing (Big Bets)
| Hand | Size | Why |
|---|---|---|
| Nuts | Overbet | Extract maximum |
| Pure bluff | Overbet | Maximum fold equity |
Merged Sizing (Medium Bets)
| Hand | Size | Why |
|---|---|---|
| Strong value | 66-75% | Get calls from worse |
| Thin value | 33-50% | Don't scare away worse |
Reading Opponent Sizing Tells
| Their Pattern | What It Often Means |
|---|---|
| Small bet | Weak, wants cheap showdown |
| Big bet | Polarized (nuts or bluff) |
| Overbet | Very strong or very weak |
| Min-bet | Blocking, weak |
Adjusting to Sizing Tells
| If They... | You Should... |
|---|---|
| Always small = weak | Raise more |
| Always big = polarized | Fold marginal, call strong |
| Never overbet bluffs | Fold to overbets |
| Overbet = always bluff | Call overbets |
Example: Sizing Adjustment
Your hand: A♠ A♥ Board: A♣ 7♦ 3♠ 2♥ K♣
| vs Calling Station | vs Over-Folder |
|---|---|
| Bet 125% pot | Bet 66% pot |
| They'll call | Don't scare them away |
| Maximum value | Get some value |
Dangers of Exploitative Sizing
| Risk | Consequence |
|---|---|
| Predictable | They exploit your sizing |
| Wrong read | Backfires |
| Leveling wars | They adjust, you adjust... |
Solution: Mix in some balanced sizing.
Key Takeaway
Adjust sizing to opponent tendencies. Big value bets vs calling stations, small bluffs vs over-folders. Watch for opponent sizing tells and exploit them. Stay aware that predictable sizing can be exploited in return.