OG, Crypto.com's prediction-market platform, is strong on deposits, but it charges makers a fee, has no reliable public volume figures and doesn't list which contracts are restricted in which states. These four CFTC-regulated alternatives do better on liquidity, fees or transparency.
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Best Crypto.com (OG) alternatives
Checked
The best Crypto.com (OG) alternative for most people in the USA is Kalshi. Kalshi uses the same taker fee formula as OG but lets most maker orders trade free, and it has far more volume and markets.
You want deeper, measurable liquidity: Kalshi traded about $53 billion in September 2026, while OG has no reliable public volume figures.
You post limit orders: OG charges makers a fee, while most Kalshi maker orders are free and Polymarket US pays makers a rebate.
You want a clear list of which contracts your state allows, which OG doesn't publish.
You want interest on your balance: Kalshi pays a 3.25% variable APY and ForecastEx a 3.38% coupon, while OG lists none.
You'd rather trade next to your stock portfolio at Robinhood or Interactive Brokers.
The best Crypto.com (OG) alternatives in the USA
Rank #1K
Kalshi
Best overall
9.6 /10
Kalshi uses the same taker fee formula as OG but lets most maker orders trade free, and it has far more volume and markets. It also accepts PayPal, Venmo, Apple Pay and crypto, though card and wallet deposits there can carry fees.
Regulation
CFTC exchange + clearinghouse
Markets
Sports, politics, economics, crypto +
Fees
Up to 1.75¢/contract (taker)
Deepest liquidity in US prediction markets: about $53 billion traded in September 2026
Runs its own CFTC-regulated exchange and clearinghouse; you trade directly
Widest market choice, from sports and combos to weather, economics and elections
Robinhood already routes some football contracts to OG's exchange, alongside Kalshi, ForecastEx and its own Rothera exchange. It suits investors who want everything in one app, but trading is app-only and its commission comes on top of exchange fees.
Regulation
CFTC-registered broker (FCM)
Markets
Sports, politics, economics, crypto +
Fees
Up to 2¢/contract incl. exchange fee
Trade event contracts in the same app as your stocks and crypto
Routes to several CFTC exchanges, including Kalshi, ForecastEx and Rothera
Huge volume: a record 13.6 billion contracts traded in Q2 2026
Polymarket US has a slightly lower taker fee, at up to 1.74¢ per contract, and pays makers a rebate instead of charging them. It takes fewer deposit methods than OG (debit card, ACH and wire) and isn't available in Nevada.
Deposit $10, get a $25 trading credit Polymarket US's own new-user offer from October 1, 2026 (it was $50 until September 30). One per person. Credits can't be withdrawn; only the proceeds of trades made with them can be, once your deposit has cleared. Checked Sep 30, 2026.
Regulation
CFTC exchange + clearinghouse
Markets
Sports, politics, crypto, economics +
Fees
Up to 1.74¢/contract (taker); maker rebate
Taker fee tops out at 1.74¢ per contract, just below Kalshi's 1.75¢
Makers earn a rebate of up to 0.31¢ per contract
No deposit or withdrawal fees on card, ACH or wire
Interactive Brokers' ForecastTrader charges a flat 1¢ per contract on ForecastEx with no commission and pays a 3.38% APY coupon on positions. It has no sports contracts and requires you to be 21 or older.
Get $10 when you open a Prediction Market account Interactive Brokers' own offer, as stated on its ForecastTrader site. We couldn't find full terms at the time of writing, so check the conditions before you apply. Checked Sep 30, 2026.
Regulation
CFTC exchange + clearinghouse (ForecastEx)
Markets
Economics, climate, elections; no sports
Fees
Flat 1¢/contract; no commission
3.38% APY incentive coupon on open positions, paid monthly
No commission and a flat 1¢ per contract on ForecastEx
Beats Kalshi's and Polymarket US's standard taker fees from about 18¢ to 82¢
Fanatics' prediction-market app lists and clears its contracts on the same Crypto.com exchange and adds rewards in FanCash, Fanatics' loyalty currency. It is available in 23 states for users 21 and older.
FanDuel Predicts
FanDuel's app, a joint venture with CME Group, has listed its sports contracts on OG's exchange since August 2026. It offers sports only in the 18 states where FanDuel has no sportsbook, and financial contracts in all 50 states.
Underdog
The fantasy sports operator's prediction product used Crypto.com's exchange until July 2026, when it moved to its own CFTC-regulated exchange. Its eligible-state list varies by source, so check the app.
When to stick with Crypto.com (OG)
Stay with OG if you want to fund with PayPal, Venmo, Apple Pay or Google Pay without an OG deposit fee, or start with as little as $1 by ACH. It's also the natural choice if you already use Crypto.com, since the same login works on OG.
OG is Crypto.com's prediction-market brand. It has been spun out as an independent company, but its contracts are listed on NADEX, a Crypto.com affiliate, and you sign in with a Crypto.com account.
Which apps use Crypto.com's prediction market exchange?
FanDuel Predicts (sports contracts since August 2026), Fanatics Markets and Robinhood (some football contracts since September 8, 2026) use it, and DraftKings Predictions added its contracts in February 2026.
Which OG alternative has lower fees?
For makers, Kalshi (most maker orders are free) and Polymarket US (a rebate) are cheaper than OG. For takers, Polymarket US is marginally cheaper, and ForecastEx's flat 1¢ beats OG on mid-priced contracts.
Does any alternative accept PayPal like OG?
Yes. Kalshi accepts PayPal and Venmo, with the first deposit free and fees on later ones. Polymarket US, Robinhood and Interactive Brokers don't list PayPal.
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