OG Prediction Market Review

OG fits best when the goal is trading on a U.S. regulated prediction market with a polished app or web interface, especially for sports. It fits less well when the priority is automation, crypto-native access, or a quick signup.

OG suits U.S. users who want regulation, smooth funding, and a clean front end, with sports as its biggest category. It makes the most sense for those trading mainstream games, tournament markets, and other events where activity is concentrated.

Look elsewhere if you need size in every market or the lightest possible signup. Beyond sports, this regulated prediction market also lists crypto, financials, commodities, economics, politics, culture, and climate contracts.

OG is the app and web layer users interact with, while the underlying event contracts trade through Crypto.com | Derivatives North America. In practice, that means a consumer-facing front end sits on top of regulated event contracts priced in dollars.

Contracts trade between $0 and $1 and reflect the market's view of an outcome. Prices show as percentages, so a 69% contract costs $0.69, and the trade slip adds a payout multiplier such as 1.56x. Each winning contract pays $1 at settlement, a losing contract pays $0, and risk is capped at the amount paid to enter the trade plus fees.

Fund a USD account, buy Yes or No on a listed outcome, and either sell before settlement or hold until it resolves. Behind the consumer look, it is an order-book market with fees, liquidity limits, and formal settlement rules.

Positions do not need to be held to final resolution. OG allows early exits before settlement, but only when there is a live price and another participant is willing to take the other side.

The sports menu covers these contract types.

• Game and title winners
• Spreads and totals
• Player performance markets
• Tournament and season futures
• Combos of up to 20 legs, including selected live games and same-game combos in some leagues

OG also sells crypto perpetual futures on BTC, ETH, SOL, ZEC, HYPE, and SEI with up to 5x leverage, and Rips, digital trading-card packs you can sell back or have shipped. Both are for U.S. residents, and this review scores the prediction market only.

OG is open in every U.S. state, including New York since June 2026, though some contracts are unavailable in some states. A separate OG.com (Outside U.S.) version, run by Foris Capital MU Limited, serves certain other locations at $0.02 a contract. You sign up for a standard OG account, with no separate brokerage account, and identity checks, location checks, and USD wallet setup all come before your first trade.

The signup flow is simple, but the approval checks are stricter than the clean app design suggests, and full KYC plus location checks take longer than the deposit itself.

OG is sports-led, and the menu also covers crypto, financials, commodities, economics, politics, culture, and climate.

Most of the contract types (spreads, totals, player props, futures, and combos) are sports-only.

Contract Design Notes

• Binary Yes / No Markets — Yes. This is the default structure across the platform.
• Multi-Outcome Markets — Not in a true exchange-style ladder. OG lists each outcome as its own Yes/No contract.
• Range Or Bracket Markets — Supported indirectly through spreads, totals, and player threshold markets, but still expressed as binary contracts.
• Short-Dated Or Intraday Markets — Yes. Crypto markets settle as often as every 5 minutes, and live games trade in-play.
• Longer-Dated Markets — Yes. Tournament winners, season outcomes, and other futures give OG more than just same-day game exposure.
• Speed Of New Listings — Better around scheduled sports calendars than around surprise events. The product is tuned for known slates, playoffs, and major competitions.
• Market Wording Quality — Generally clear because the market types are familiar, but player rules, tie rules, and cancellation handling still need attention before trading.

Sports traders get more than a winner-only menu. If you mainly want politics or macro, the listings are thinner.

OG is tradable mainly on tentpole events. Once you leave the homepage, the experience becomes less reliable, especially for anyone who needs size, precise entries, or a dependable early exit.

OG feels liquid enough where mainstream sports attention clusters, especially around big pro games and major tournament windows. It gets much thinner in quieter props, secondary events, and any market where two-sided interest fades. The same event can also be priced differently from rivals, which affects anyone trading size, chasing live moves, or trying to exit efficiently in thinner books.

Most U.S. markets charge a taker fee of 0.07 × contracts × price × (1 − price), which peaks at about 1.75¢ a contract at a 50¢ price, and resting limit orders pay a quarter of that. Crypto, FX, commodities, and index markets charge a flat $0.02 a contract. Thin books can push the total cost well above the listed fee.

Casual traders on big games will mostly notice the per-contract fee. Active traders pay more through slippage and repeated entries and exits, especially in low-priced, thin, or fast-moving markets.

Here is how money moves in and out of OG, when balances become usable, and when profits become withdrawable cash.

1. How Money Gets In: Users fund a USD wallet through instant deposit, ACH, wire, PayPal, debit card, Venmo, Apple Pay, or Google Pay. Crypto from an outside wallet or exchange can also be converted to USD on deposit through Mesh, except in New York. Bank links go through Plaid for instant deposits and withdrawals.
2. When Buying Power Becomes Usable: Instant deposit credits funds within seconds and makes them tradable right away. Other funded cash becomes usable once it lands in the USD wallet.
3. What Happens When A Contract Resolves: Winning contracts pay $1 per contract at settlement, losing contracts pay $0, and early exits realize profit or loss at the executed close price.
4. When Funds Become Withdrawable: Settled cash can remain subject to holds. The biggest example is instant deposit, where funded balances are not withdrawable for 7 business days.
5. How Money Actually Reaches The Bank Account Or Wallet: Cash goes back to a linked bank account by ACH (free, one to five days) or RTP (within minutes, 1.5% fee). New York users can also withdraw to the debit card they deposited with. There is no crypto cash-out path.

A market can resolve quickly, your balance can update soon after, and you still may not have withdrawable cash the same day. On OG those are three separate clocks. Resolution speed tells you when the contract result is known. Balance update speed tells you when the wallet reflects that outcome. Actual cash-out speed depends on holds, the withdrawal method, and whether the funded balance is already clear for withdrawal.

Winner, spread, and total contracts are easy to follow, and settlement usually comes soon after the official result is confirmed. The main risk is ties, player replacements, canceled events, and other cases where special rules change the payout.

Disputes should stay rare on major markets, though a contract can still be misread if you assume every sports market settles like a standard bet. Check the tie, cancellation, and player-status rules before trading props, combos, or delayed events.

If an event is postponed, canceled, or not completed within 48 hours of its originally scheduled start time, CDNA treats it as a canceled event. If a draw or tie occurs with no tie outcome listed, both Yes and No holders receive $0.50 per contract and opening fees are not refunded. In a combo, a canceled or tied leg settles at its volume-weighted average price instead.

The main trust sits with the exchange and with your own account security habits. This is a custodial setup, so funds stay inside the platform stack rather than in a self-custody crypto wallet. The bigger risks are platform custody, thin market structure, and special settlement rules.

2FA is supported, and once it is turned on, every withdrawal needs a code. Full KYC, bank links, identity checks, and location controls mean OG holds a lot of personal data. The platform has regulatory oversight behind it, which helps, but serious users still need to treat custody and execution risk as more important than pure app design.

OG is designed mostly for casual mobile use, with full trading on the web too. Research help comes from Alpha, an AI assistant, and Social, which lets you follow other traders. Automated trading needs a separate approved API account.

The layout is clean and the order ticket is easy to follow. Fees, payout, and position view are clear for normal users, and the portfolio screen is useful.

Record-keeping looks manageable for casual users, but still manual for active ones.

• Tax Forms: U.S. persons who traded contracts during the tax year may be issued Form 1099-B.
• Account Statements: Not Disclosed as a major reporting feature.
• CSV Or Export Quality: Not Available.
• Cost-Basis Visibility: Basic trade history and settled positions are visible in the portfolio.
• What You Still Track Yourself: Entry price, exit price, fees, realized gains, and any records needed for tax filing.

A casual user with a few trades can manage this. Active traders should keep their own records of every entry, exit, and fee.

The help center covers more ground than the human support side. You can usually find the rule or funding page you need, but that is different from getting a fast manual fix.

• Help Center: Yes, through help.og.com and the in-app help flow.
• Live Chat: Yes, through the help flow.
• Email Or Ticket Support: Yes, via support@og.com.
• Status Page: Yes, through the platform status page.
• Community Channels: In-app Social and Community tabs, plus a Discord server.
• Self-Exclusion Or Cooldown Tools: One-button lock is available, and voluntary self-exclusion is requested through support chat, with a seven-day cooling-off before reactivation.
• Account Limits: Deposit and withdrawal limits vary by rail and user level.
• Position Limits: Yes. Position limits apply by event.
• What Support Can Actually Fix: Onboarding issues, bank-linking problems, 2FA reset, access errors, and account closure.
• What Support Cannot Reverse: Market outcomes, normal fills, or the loss from a bad trade.

Human support is most useful for access, funding, and account problems.