OG Review

OG is a federally regulated prediction market that lets users trade event contracts tied to sports, politics, economics, cryptocurrency, culture and other real-world outcomes. The platform combines a sportsbook-friendly presentation with the broader variety of a general-purpose prediction exchange.

Unlike a traditional sportsbook, OG does not simply post odds and take the opposite side of your wager. Users trade event contracts that typically cost between $0.01 and $0.99, with prices reflecting the market’s current implied probability of an outcome occurring.

Eligible new users can also take advantage of our current OG promo code EWB1 offer: complete a qualifying $10 trade and receive $10 in new-user rewards.

What Is OG?

OG.com is a prediction-market platform offering access to federally regulated event contracts.

The underlying contracts are offered by North American Derivatives Exchange, Inc., better known as Nadex, which is regulated by the Commodity Futures Trading Commission as a Designated Contract Market and Derivatives Clearing Organization.

Nadex has been operating in the U.S. derivatives market for years and was acquired by Crypto.com in 2022. OG uses that regulated infrastructure to provide a consumer-facing prediction-market experience built around sports and major real-world events.

That structure makes OG different from an offshore betting site or unregulated forecasting platform. Trades occur through a federally regulated exchange, with market rules, settlement criteria and account protections governed by the applicable derivatives framework.

How OG Prediction Markets Work

OG markets are generally structured around simple questions with objectively verifiable outcomes.

A contract might ask whether:

• A football team will win a game
• A basketball team will cover a spread
• An economic report will exceed a specific number
• A political candidate will win an election
• A cryptocurrency will reach a certain price
• A movie will win an award

Contracts typically trade between $0.01 and $0.99.

A contract trading at $0.60 can be interpreted as the market assigning roughly a 60% probability to the outcome occurring.

If the contract ultimately resolves in your favor, it generally settles at $1. If the outcome does not occur, the contract settles at $0.

How OG Prices Work

OG prices move based on trading activity and changes in market expectations.

If more traders become willing to buy a particular outcome, the price can rise. If sentiment shifts in the opposite direction, the contract price can fall.

For example, suppose a football team is trading at $0.55 to win its upcoming game. That price suggests an implied market probability of approximately 55%.

If injury news breaks and traders become more confident in that team, the price might move to $0.65. If negative information emerges, it could fall instead.

This real-time pricing makes prediction markets more dynamic than a simple fixed wager because your position can change in value before the event settles.

What Can You Trade on OG?

OG offers a broader selection than sports-only prediction markets.

Current categories include:

• Sports
• Politics
• Economics
• Cryptocurrency
• Technology
• Culture and entertainment
• Climate and weather
• Other real-world events

This variety gives OG an advantage over platforms that rely heavily on the sports calendar.

Football may dominate the platform in the fall, but users can still find active economic, political and financial markets during slower sports periods.

OG Sports Markets

Sports are a major part of the OG product and one of the easiest entry points for users coming from traditional sportsbooks.

Depending on the sport and event, available contracts can cover:

• Game winners
• Point spreads
• Totals
• Player performance markets
• Championship futures
• Season-long outcomes
• Tournament winners
• Live sports outcomes

OG also offers multi-outcome and combination-style markets on supported events.

The overall presentation should feel relatively familiar to anyone who already understands sportsbook moneylines, spreads and totals.

OG Football Prediction Markets

Football is one of OG’s strongest categories.

Available professional and college football markets can include:

• Game winners
• Point spreads
• Over/under totals
• Player yardage markets
• Touchdown markets
• Conference and championship futures
• Season-long outcomes

OG’s own football guides specifically highlight markets tied to spreads, player yardage and scoring outcomes, making the platform considerably more sportsbook-like than prediction exchanges limited to simple game-winner contracts.

OG Parlays and Combination Markets

OG supports combination event contracts that can combine multiple outcomes into a single trade.

This structure is similar in concept to a sportsbook parlay: each specified condition generally needs to resolve correctly for the combined contract to pay out.

Combination markets are useful for users who prefer higher-payout multi-leg positions instead of trading every outcome independently.

As always, check the exact market rules before trading because settlement criteria can differ depending on the event and contract structure.

Can You Exit an OG Trade Early?

In many markets, yes.

OG allows users to monitor open positions and may permit them to exit before settlement depending on market conditions and available liquidity.

The price you receive can be higher or lower than your original entry price.

This gives OG positions more flexibility than a traditional bet that must simply remain open until final settlement.

Early exits are not guaranteed, however. The ability to close a position depends on the market remaining open and sufficient liquidity being available.

OG Liquidity

Liquidity is an important consideration on OG just as it is on every prediction exchange.

Popular football games, major political events and high-profile economic releases generally attract more activity than obscure markets.

Higher liquidity usually means:

• More available contracts
• Easier entry and exit
• Less price movement from a single order
• More competitive pricing

Less-active markets may have thinner trading and can be harder to enter or exit at your preferred price.

OG Trading Fees

OG charges transaction fees on prediction-market trades.

The exact amount can vary based on the specific contract, quantity and price, so we recommend reviewing the displayed fee before confirming every transaction.

OG clearly shows the trade amount, potential loss and applicable fees before an order is submitted.

This is one area where comparing platforms matters. Novig currently offers fee-free pregame straight trades, while ProphetX and Polymarket use their own trading-fee structures.

A lower quoted contract price is not necessarily the best deal if the total cost after fees is higher, so always compare the complete transaction rather than just the headline probability.

OG App and User Experience

OG has one of the cleaner interfaces among the newer prediction-market apps.

The platform is designed around straightforward real-world questions rather than complicated financial terminology, which makes the initial learning curve relatively small.

Users can:

• Browse markets by category
• Review current contract prices
• Open positions
• Track price changes
• Review settled positions
• Access promotional rewards

OG is available through both web and mobile platforms.

The app’s Promos section is also useful because OG regularly runs short-term rewards programs in addition to its standard new-user offer.

OG Deposits

OG supports approved funding methods for verified U.S. customers.

Available deposit options can vary by account and location, so users should check the cashier after completing verification.

As with other regulated exchanges, the payment method generally needs to belong to the registered account holder.

You do not need a large account balance to begin experimenting with prediction markets because individual contracts generally trade for less than $1 each.

OG Withdrawals

Eligible account funds can be withdrawn through OG’s supported withdrawal methods.

Because OG operates through regulated derivatives infrastructure, identity and account-ownership verification can be required before funds are released.

OG’s underlying exchange, Nadex, states that customer funds are held in segregated bank accounts rather than being commingled with the company’s operating funds.

Is OG Legal?

OG offers federally regulated prediction-market contracts through North American Derivatives Exchange, Inc.

Nadex is registered with the Commodity Futures Trading Commission as both a Designated Contract Market and a Derivatives Clearing Organization.

The exchange has existed in the U.S. derivatives industry for years and has offered binary-style event contracts since long before the current prediction-market boom.

This federal structure differs from traditional sportsbooks, which generally obtain gaming licenses individually from each state.

What States Is OG Available In?

OG’s availability depends both on your state and the category of market you want to trade.

Arizona and New York residents are currently prohibited from trading any OG markets.

Several additional states currently restrict sports event contracts while continuing to permit other categories such as politics and economics.

Those states include:

• Illinois
• Maryland
• Massachusetts
• Michigan
• Nevada
• New Jersey
• Ohio

Users in those jurisdictions may still be able to trade qualifying non-sports contracts.

This is an important distinction from platforms where a restricted state means the entire app is unavailable.

Prediction-market regulation continues to evolve quickly, so users should confirm current availability before funding an account.

How Old Do You Have to Be to Use OG?

OG’s U.S. services are intended for users who are at least 18 years old.

Users must also satisfy applicable eligibility requirements and complete identity verification before trading.

OG Identity Verification

OG requires new users to complete identity verification before accessing real-money prediction markets.

The process is part of the Know Your Customer and anti-money-laundering requirements applicable to regulated U.S. financial exchanges.

You should expect to provide identifying information and potentially additional documentation if your identity cannot be automatically verified.

OG Promo Code EWB1

Our current OG promo code is EWB1, giving eligible new users access to a Trade $10, Get $10 welcome offer.

To qualify, users must complete one settled trade worth at least $10 within seven days of completing identity verification.

The qualifying contract must be priced at a probability below 80%.

Once the qualifying trade settles, eligible users receive $10 in new-user rewards that can be applied toward a future OG trade.

OG Promo Requirements

The current new-user promotion has several important conditions:

• The qualifying transaction must be a single trade worth at least $10
• The trade must settle within seven days of KYC approval
• The contract must be priced below an 80% probability
• Trades priced at 80% or higher do not qualify
• Trades using promotional rewards do not count as the qualifying transaction

These rules make the offer slightly more restrictive than simply depositing $10 and receiving a bonus, but the required trading amount remains low.

OG Pros and Cons

What We Like About OG

• Wide variety of markets: Sports, politics, economics, crypto, culture and more are available.
• Sportsbook-friendly markets: Football spreads, totals and player markets make the transition easy for bettors.
• Federally regulated: Contracts are offered through CFTC-regulated Nadex.
• Long regulatory history: Nadex has operated regulated binary and event-style markets for years.
• Early position exits: Eligible trades can potentially be closed before settlement.
• Strong non-sports selection: OG remains useful even when the sports calendar slows down.
• Regular promotions: OG frequently runs additional trading rewards and limited-time offers.
• Simple welcome offer: Eligible new users can trade $10 and receive $10 in rewards.

Where OG Could Improve

• State rules are complicated: Some states block OG entirely while others restrict only sports.
• Fees vary by contract: Users need to review the total transaction cost before confirming each trade.
• The qualifying promo trade must settle: Simply placing a $10 trade is not enough.
• 80% probability restriction: Very heavy favorites do not qualify for the new-user promotion.
• Liquidity varies: Smaller markets may be more difficult to enter or exit at the desired price.
• Brand structure can be confusing: OG, Nadex and Crypto.com are closely connected, which may initially be unclear to new users.

OG vs. a Traditional Sportsbook

OG can look like a sportsbook when you are browsing football or basketball markets, but its underlying structure is different.

A sportsbook sets odds and generally takes the opposite side of a customer’s wager. OG provides access to exchange-traded event contracts instead.

Rather than seeing a conventional -110 price, you may see a contract trading at $0.52, $0.63 or another probability-based price.

The position can also change in value before the event settles, allowing you to potentially exit early when market conditions permit.

The tradeoff is that prediction-market terminology and fee structures require slightly more learning than simply clicking a sportsbook moneyline.

OG vs. Polymarket

OG and Polymarket both offer much broader selections than sports-only platforms such as Novig and ProphetX.

Both cover categories including sports, politics, economics and other major real-world events.

Polymarket currently has the stronger reputation for overall market breadth and liquidity on major headline events. OG’s advantage is its connection to Nadex, one of the longest-running federally regulated retail derivatives exchanges in the U.S.

For sports, pricing and liquidity can vary significantly by event, so we recommend comparing both platforms before trading.

OG vs. Novig

Novig is much more focused on sports, while OG offers a broader mix of event contracts.

If your only interest is football, basketball and other traditional betting markets, Novig’s streamlined interface and current fee-free pregame straight trading are difficult to ignore.

OG becomes more appealing if you also want to trade politics, economics, crypto or entertainment without opening a second prediction-market account.

OG vs. ProphetX

ProphetX is designed primarily as a sports exchange, while OG combines sports with a much wider collection of prediction-market categories.

Experienced sports bettors may prefer ProphetX’s focus on order-book trading and sports pricing.

OG is likely the better fit for users who want one account that remains useful across sports seasons, elections, economic releases and other major events.

Who Should Use OG?

OG makes the most sense for users who want a prediction market that does more than sports without making sports feel like an afterthought.

It is easy enough for a sportsbook user to understand, particularly when trading football spreads, totals and game outcomes.

At the same time, its politics, economics, crypto and culture categories provide significantly more variety than a sports-only exchange.

We also like OG for users who value the platform’s regulatory pedigree. Nadex has been operating as a CFTC-regulated exchange for years, giving OG a much longer underlying regulatory history than many newer prediction-market brands.

Our OG Review: The Verdict

OG is one of the better all-around prediction markets for users who want sports and non-sports trading in the same account.

Its football and other sports offerings are familiar enough for traditional bettors, while categories such as economics, politics, crypto and culture make the platform useful throughout the year.

Polymarket still has an advantage in overall market breadth, and sports-first users may prefer Novig or ProphetX for certain events. But OG’s combination of variety, approachable trading and established Nadex regulatory infrastructure gives it a legitimate place among the top U.S. prediction-market platforms.

Eligible new users can get started with our OG promo code EWB1, complete a qualifying $10 trade and receive $10 in new-user rewards.

OG FAQ

What is OG?

OG is a prediction-market platform offering access to federally regulated event contracts covering sports, politics, economics, cryptocurrency, culture and other real-world outcomes.

Is OG a sportsbook?

No. OG provides prediction-market event contracts through the CFTC-regulated Nadex exchange rather than operating as a traditional state-licensed sportsbook.

What is the OG promo code?

Our current OG promo code is EWB1. Eligible new users can complete a qualifying $10 trade and receive $10 in new-user rewards.

How does the OG $10 bonus work?

You must complete one qualifying trade of at least $10 and have that trade settle within seven days of identity verification. The contract must be priced below an 80% probability.

Is OG regulated?

Yes. OG event contracts are offered through North American Derivatives Exchange, Inc., a Commodity Futures Trading Commission-regulated Designated Contract Market and Derivatives Clearing Organization.

How old do you have to be to use OG?

OG’s U.S. services are intended for eligible users who are at least 18 years old.

Can I trade football on OG?

Yes. OG offers professional and college football prediction markets including game results, spreads, totals, player performance markets and futures, subject to location and market availability.

Can I exit an OG trade early?

Depending on the market and available liquidity, users may be able to exit an open position before final settlement.

Is OG available in every state?

No. Arizona and New York currently restrict all OG markets, while Illinois, Maryland, Massachusetts, Michigan, Nevada, New Jersey and Ohio currently restrict sports contracts but may allow other prediction-market categories.