One-Half Up Edge
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One-Half Up Edge
Settings
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Stats
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Current Loss0
WIN STREAKWaiting (2 wins needed)
Loss: 0Stop-Loss:
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How to Use

  • Step1
    Configure Your Settings
    Start by setting the following 3 items based on your bankroll.
    • Unit Amount: Enter your base bet (e.g. $10 or $50).
      Since the increment added each win is half this amount, using an even number is recommended to avoid rounding issues.
    • Currency: Select the currency you’re playing with.
    • Max Loss (Stop-Loss Limit): Set the maximum loss you’re willing to accept for risk management.
  • Step2
    Start Betting with the Calculated Amount
    Tap “Start Game” and your first bet amount (1 unit) will appear on screen.
    1. Place the displayed amount in your game.
    2. Tap [WIN] or [LOSE] on the tool based on the outcome.
    3. A loss resets back to 1 unit.
      Until you hit a 2-win streak, bets stay fixed at 1 unit.
    4. Once you hit a 2-win streak, the system activates — each subsequent win adds half your base unit to the previous bet, steadily increasing your stake.
  • Step3
    Ride the Streak and Stack Your Profits
    Keep an eye on the “Win Streak” field as you go.
    Once the system is active (from the 3rd bet onward), the screen shows your guaranteed profit — the amount you’d keep even if you lose right now.
    Even if the streak breaks, your profit is already locked in — so you can ride the momentum without stress.
    Even if you keep losing, the tool is designed to stop automatically one bet before your stop-loss limit is reached — so you can use it with confidence.

Tool Demonstration in Action

I actually used the tool and kept betting on Black in the Red/Black bet.

About the One-Half Up System

The One-Half Up system is a betting strategy where after two consecutive wins, you add half your base unit to each subsequent bet — meaning from the second win onward, you’re in profit regardless of what happens next.
For a manual walkthrough and a full breakdown of the logic, check out One-Half Up Betting System.

More Tools

Looking for other tools? Everything here is completely free!

Got a Request?

At The Otaku Bettor, we’re always open to ideas — whether it’s “I wish there was a tool for this…” or “This would be so much better with that feature…!”
Whether or not I can actually pull it off is another story (lol), but if you’ve got an idea you’d like to share with Hotaru, feel free to drop it through the contact form anytime!
Always happy to hear from you!