📊 Fibonacci Betting System Calculator
Calculate Fibonacci betting progression and analyze risk
Betting Parameters
Enter your betting configuration
Your starting bet (first number in sequence)
Your total available funds
Number of losses to simulate
Probability of winning each bet
Fibonacci Analysis
Final Bet Size
$0
After specified losses
Total Wagered
$0
Sum of all bets
Bankroll Status
Sufficient
Can you afford this streak?
Streak Probability
0%
Chance of this streak
How the Fibonacci System Works
The Fibonacci Sequence
The Fibonacci sequence is: 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144...
Each number is the sum of the previous two numbers.
Betting Rules
- After a loss: Move one step forward in the sequence
- After a win: Move two steps back in the sequence
- At the start: Begin with the first number (1 unit)
- Profit target: Return to the beginning of the sequence
Example Session
- Bet 1: $10 (1st number) - LOSS → Next bet: $10 (2nd number)
- Bet 2: $10 (2nd number) - LOSS → Next bet: $20 (3rd number)
- Bet 3: $20 (3rd number) - LOSS → Next bet: $30 (4th number)
- Bet 4: $30 (4th number) - WIN → Move back 2 steps to $10
Risks & Warnings
Important Limitations
- No system beats the house edge - Long-term expected value is always negative
- Table limits exist - You may hit max bet before recovering
- Bankroll can deplete quickly - Exponential growth is dangerous
- Slower than Martingale - But still risky with long streaks
Best Use Cases
- Even-money bets (roulette red/black, baccarat player/banker)
- Short sessions with strict loss limits
- Games with high win probability (>48%)
- Large bankroll relative to base bet (100x minimum)