Sports / Casino
Every term in this glossary appears somewhere in the ok866 lobby — on a game screen, a wallet deposit page, or your account record. We have written each definition the way a Bangladesh player reads it, not the way a textbook writes it.
When you open a slot like Chittagong Lucky Slots and see a volatility label, or when the cashier page asks you to complete KYC before a withdrawal, those words carry real meaning.
The lobby is divided into areas, and each area has its own vocabulary. Knowing which family a term belongs to tells you exactly where to look for it when something is unclear on screen.
Terms like RTP, volatility, paylines and multiplier appear on the game detail screen or in the information panel inside each title. Crash Limitless and Roulette SpeedBoost each expose different mechanic labels — check the in-game panel for the exact values the provider publishes.
Decimal odds, handicap, over/under and match lines appear on the sportsbook page, most visibly on cricket markets such as BPL and international fixtures.
Deposit, withdrawal, pending, balance and wallet reference appear in your signed-in account area.
Rollover, turnover requirement, qualifying wager and minimum odds are the terms attached to any active information. You will find them in the information details page, not on the lobby banner. Read these before using a wallet credit so you know exactly what qualifies toward the requirement.
These six terms appear on game screens and lobby filters across slots, live casino and crash titles. Each definition reflects standard industry use.
RTP stands for Return to Player. It is the percentage of total wagers a game is designed to pay back over a very large number of rounds.
House edge is the mathematical advantage the platform holds on a game, expressed as a percentage of each wager. It is the inverse of RTP for fixed-odds games. A lower house edge means statistically smaller losses per round over time, though individual sessions vary widely.
Volatility describes how a slot distributes payouts. High volatility means fewer wins but larger amounts when they land. Low volatility means more frequent but smaller wins. River Padma Reels and Chittagong Lucky Slots may display their volatility rating in the in-information panel.
A wager or turnover requirement is the total amount you must bet before a wallet credit or promotional balance can be withdrawn. For example, if a credit carries a ten-times turnover requirement, you must place qualifying bets totalling ten times that amount first.
A jackpot is the highest prize available in a slot title — either a fixed amount set by the game or a pooled prize-style feature that builds with play. We do not publish jackpot totals or schedules; check the in-game screen for the current prize structure.
A live dealer game streams a real human dealer running a table game — baccarat, roulette or blackjack — from a studio. You place bets through the on-screen interface while watching the dealer in real time. Connection quality affects your experience on a mobile network.
These terms appear on sportsbook markets, the cashier page and your account verification flow. Read them before you place a cricket bet or submit your first withdrawal.
Asian handicap is a betting format that removes the draw outcome by giving one team a virtual head start or deficit.
Over/under is a market where you predict whether a measurable total — runs in cricket, goals in football — will be higher or lower than the number the sportsbook sets. You are not picking a winner; you are predicting the combined total relative to that line.
Rollover is another name for turnover requirement. It is the number of times you must wager a credited amount before withdrawal is permitted. Rollover requirements are stated in the information terms; minimum odds or game restrictions may also apply. Read the full conditions before using any credit.
An e-wallet is a mobile-based payment account that holds a balance separate from your bank. On ok866, bKash and Nagad are the e-wallet options for deposits and withdrawals. Rocket is also a supported local mobile wallet. Each has its own transaction flow within the cashier page.
KYC stands for Know Your Customer. It is an identity verification process required before withdrawals can be processed on most platforms.
Decimal odds show the total return per unit staked, including your original stake. An odds figure of 2.50 means a one-unit bet returns 2.50 units in total if it wins — 1.
Seeing a term in context makes it stick. When you open Crash Limitless, the multiplier on screen is a live game-mechanic term — it climbs from 1.00x upward and you decide when to cash out before it resets.
The multiplier is the live odds figure climbing on the Crash Limitless screen. It starts at 1.00x and rises until the round ends. You exit before that point or the round closes your bet at 1.00x. This is the game mechanic in action — no separate panel needed.
Chittagong Lucky Slots shows a volatility indicator in the information panel accessible from the game screen. High volatility means longer stretches without a payout followed by larger hits; low volatility means smaller but more frequent returns across your session.
After initiating a withdrawal via bKash, your account area will display your KYC status as a labelled field. If verification is incomplete, the page lists the required documents. Completing this step once clears the flag for future withdrawals on the same account.
If a wallet credit carries a rollover requirement, the information detail page states it as a multiplier of the credited amount. Only qualifying bets count; the page specifies which game categories or minimum odds apply. Check this before you start wagering from a credited balance.
If a definition here does not match what you see on screen — because a game provider uses a slightly different label, or a information condition is worded differently — reach out through the routes below. We can clarify how the term applies to your specific account situation.
The live chat icon is visible on the ok866 site when you are signed in. Open it from any page — including the cashier or game lobby — and describe the term or screen you have a question about. A support agent will respond in the same session.
For account-specific questions about KYC status, wallet transaction labels or information condition wording, email support is available through the contact address published on the ok866 site. Include your account reference and the specific term or screen you are asking about.
The ok866 help centre contains published articles on account verification, wallet deposit flows via bKash, Nagad and Bank Transfer, and information condition explanations. Access it from the footer of any page — no sign-in required to read the articles.
These questions cover how to act on the terms above inside your account and the lobby — not just what the words mean, but where to go and what to do.
Open the game screen and look for an information or details icon — usually a small i symbol. RTP is shown there only when the provider publishes it.
Sign in and go to your account area. Look for a verification or profile section — the page will show your current KYC status as a labelled field.
Yes. Your signed-in account area has a transaction or wallet history section that lists each deposit and withdrawal with its method, amount, timestamp and status. bKash, Nagad and Bank Transfer transactions each appear as separate labelled entries in that record.
Any credit added to your wallet under a information carries the rollover figure stated in the information terms.
The sportsbook displays cricket markets in decimal odds by default. Each figure shows total return per unit staked including your stake. If you prefer a different format, check the display settings in your account; available formats depend on what is configured for your region.
Information conditions are published on the individual information detail page, not on the cashier screen.