KALSHI Mechanics
Best Ask
The lowest price sellers are willing to accept for a contract side (YES/NO) on the current Kalshi order book.
Detailed explanation
Best ask is the minimum price at which someone is offering to sell a YES or NO contract. Traders compare the best ask to the best bid to gauge liquidity and potential execution cost. If the best asks across YES and NO sit close to $0.50, liquidity is tight; wide gaps imply higher slippage and costs for taking both sides. Understanding the best ask helps identify edge opportunities in intra-market arbitrage and when evaluating where to place limit orders.
In practice, you’ll look at the best ask for each side to judge whether there is a viable “edge” (price difference from $1.00) to exploit. The sum of best asks across complementary contracts under the same event ticker informs whether a complete set can be bought for a guaranteed spread. Monitoring best asks in real time is essential for rapid execution in Kalshi arbitrage strategies.
Worked example
Example: A market shows YES at 42¢ and NO at 56¢. The best asks are YES-ask = 42¢ and NO-ask = 56¢, totaling 98¢. Buying both legs now locks in a 2¢ edge (since $1.00 − 98¢ = 2¢) before any fees.
FAQ
- What is the difference between best ask and best bid?
- Best ask is the lowest price sellers will accept; best bid is the highest price buyers will pay. The spread between them indicates liquidity and potential execution cost.
- How does best ask relate to arbitrage edge?
- If YES-ask plus NO-ask is less than $1.00, you can buy both sides at the asks and lock in the edge, minus fees, as a risk-defined profit.
- Why watch best asks across child markets under the same event ticker?
- If multiple child markets exist (e.g., CPI brackets) and their best asks sum to under $1.00, you can buy a complete set to lock a guaranteed spread across the bundle.
See Best Ask on a live Kalshi market
KalshiArb scans every open Kalshi market for arbitrage edges where YES + NO < $1.00. Plug in your Kalshi API key and start receiving alerts in under 5 minutes.
Related terms
- Yes ContractA YES contract is the binary Kalshi market side that pays $1 if the event resolves true, $0 otherwise.
- No ContractThe NO contract is the opposite side of a binary Kalshi market, paying $1 if the event does not occur.
- Yes AskThe ASK price to buy YES on a Kalshi market; the YES side’s best offer.
- No AskThe NO ask is the lowest NO price offered to sell NO contracts.
- Best BidThe highest price investors are willing to pay for a YES or NO side of a Kalshi market.
- Tick SizeTick size is the minimum price increment by which Kalshi contract prices can move (1 cent).