Fibonacci strategy for crash games
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The Fibonacci strategy in crash games is simple: follow the sequence 1-1-2-3-5-8-13: move one step up after a loss and two steps back after a win. It is a sequence-based recovery system that pairs naturally with a 2x auto cash out in Aviator, Stake Crash or JetX. In our 1,000-session test with R50 units it finished with a median of R3,150 from R2,500, with the top 10% on R3,700 or more. Here’s how to run it at Hollywoodbets, Betway or a partner crypto casino, with rand examples. More systems in our crash game strategy guide.
How the Fibonacci system works
The rule: follow the sequence 1-1-2-3-5-8-13: move one step up after a loss and two steps back after a win. Here is how six rounds play out at 2x auto cash out with a R50 unit:
| Round | Stake | Result | Running profit |
|---|---|---|---|
| 1 | R50 | Loss | −R50 |
| 2 | R50 | Loss | −R100 |
| 3 | R100 | Win at 2x | R0 |
| 4 | R50 | Loss | −R50 |
| 5 | R50 | Win at 2x | R0 |
| 6 | R50 | Win at 2x | R50 |
The stake moves with your results, which is the whole idea: the system decides your next bet so you never have to.
Fibonacci simulator test in rand
We ran the Fibonacci system at 2x through our simulator: 1,000 sessions of up to 100 rounds, a R2,500 bankroll and R50 bets. The median session finished on R3,150, the luckiest 10% on R3,700 or more and the coldest 10% on R0 or less. 31.5% of sessions ran the bankroll below one bet. For comparison, flat R50 bets at 2x finished on a median of R2,400 with 0% busts. Try your own settings in the crash game simulator.
What Fibonacci does well
- Grows slower than doubling, so a cold run costs less than Martingale.
- Two steps back after a win banks progress quickly.
- Produced the best median session of every system in our 2x test.
Worth knowing:
- Deep cold runs reach 13, 21 and 34 units fast.
- About a third of test sessions emptied the bankroll inside 100 rounds.
Fibonacci vs other betting systems
| System (2x, R2,500 bankroll) | Median finish | Top 10% finish | Bust rate |
|---|---|---|---|
| Fibonacci | R3,150 | R3,700 | 31.5% |
| Martingale | R2,300 | R5,100 | 46.5% |
| Anti-Martingale | R2,300 | R3,600 | 1.1% |
| Flat betting | R2,400 | R3,000 | 0% |
The Martingale strategy crash guide covers the doubling system, and anti Martingale crash covers pressing your wins. For the full ranking, read best betting system for crash games.
Best games for Fibonacci
Use it on any crash game with auto cash out at 2x: Hollywoodbets Aviator is the classic, Stake Crash pays 99% RTP, and JetX South Africa lets you run two bets at once.
Run Fibonacci in South Africa
Write your unit size down before you start (R50 is a good default on a R2,500 budget) and fund with Ozow instant EFT, 1Voucher or OTT Voucher. Want to play crash games with big-multiplier crypto originals and fast payouts? Compare the best crash game casinos in South Africa, or jump straight into Shuffle Crash.
Pro tip: set a session cap of 100 rounds and a stop at +20%; Fibonacci is at its best in short, planned sessions.
Strategy simulator
- Median final bankroll
- Unlucky (10th percentile)
- Lucky (90th percentile)
- Chance of going bust
- Median max drawdown
- Average rounds played
Example: 1000 sessions of 100 rounds, bankroll R 2 500, base bet R 50, target 2x, 3% edge
| Strategy | Median final bankroll | Unlucky (10th percentile) | Lucky (90th percentile) | Chance of going bust |
|---|---|---|---|---|
| Fibonacci | R 3 150 | R 0 | R 3 700 | 31,5% |
| Fixed bet | R 2 400 | R 1 800 | R 3 000 | 0,0% |
Run it a few times with different settings to find the approach that fits your bankroll and playing style.
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Frequently asked questions
How does the Fibonacci strategy work?
Follow the sequence 1-1-2-3-5-8-13: move one step up after a loss and two steps back after a win.
Does Fibonacci work in Aviator?
It runs fine with a 2x auto cash out. It shapes your swings; it cannot change the 97% RTP.
What unit size should I use for Fibonacci?
About 2% of your budget, for example R50 on R2,500.
How risky is Fibonacci?
In our 1,000-session test at 2x, 31.5% of sessions ran out of bankroll within 100 rounds.
Is Fibonacci better than Martingale?
Fibonacci finished with a median of R3,150 against Martingale's R2,300 in the same test.
By Daniel Foster · Crash Game Maths & Mechanics Analyst
Daniel focuses on the mathematics and mechanics behind crash games. His reviews examine RTP disclosures, volatility, multipliers, game mechanics and the mathematical principles behind different crash titles.
Fact-checked by Alex Morgan
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