Documentation
A comprehensive guide to the data points and metrics used in our dashboards.
Market Snapshot & Order Book
- Bid
- The highest price a buyer is currently willing to pay for a contract.
- Mid
- The midpoint price calculated as the average between the best bid and the best ask.
- Ask
- The lowest price a seller is currently willing to accept for a contract.
- Spread
- The difference between the best ask and the best bid, representing the immediate cost of trading.
- Prob (Mid)
- The event's probability as implied by the midpoint price, where the price is treated as a percentage.
- Overround (asks)
- A measure of the bookmaker's margin on the sell-side, calculated from the sum of implied probabilities of all asks.
- Underround (bids)
- A measure of the bookmaker's margin on the buy-side, calculated from the sum of implied probabilities of all bids.
- Notional
- The total face value of the contracts being offered or traded.
- Side
- Indicates whether an order is for a "YES" or "NO" outcome in the market.
- Best Bid
- The single highest price currently offered by a buyer.
- Bid Size
- The quantity of contracts available for purchase at the best bid price.
- Best Ask
- The single lowest price currently offered by a seller.
- Ask Size
- The quantity of contracts available for sale at the best ask price.
- Microprice
- A calculated price that weighs the best bid and ask by their sizes to estimate the true market value.
- Imbalance
- A metric indicating whether there is more buying or selling pressure at the top of the order book.
- Depth
- The total volume of contracts available within a specific price range from the current market price.
Fair Probability, Edge, & Vig
- Prob Band
- The range between the best bid and best ask, representing the current span of fair value probabilities.
- Band Width
- The size of the probability band, which is equivalent to the market's spread.
- YES/NO Edge (ticks)
- Your perceived trading advantage or disadvantage, measured in minimum price increments ("ticks").
- Vig (bps/h)
- The market's inherent fee ("vigorish"), measured in basis points per hour, representing the ongoing cost of participation.
Market Dynamics & Activity
- Cost ↑ (to push up)
- The amount of money required to buy all available sell orders to move the market price up to a specific target.
- Cost ↓ (to push down)
- The amount of money required to sell into all available buy orders to move the market price down to a specific target.
- ΔMid ($)
- The most recent change in the midpoint price, indicating short-term price momentum.
- ΔSpread ($)
- The recent change in the bid-ask spread, showing if the market is becoming more or less liquid.
- ΔLast Trade ($)
- The price movement that occurred during the most recent transaction.
- Micro Pull ($)
- A measure showing whether aggressive market orders (instant buys/sells) are driving the price up or down.
- Liquidity
- The total number of contracts currently listed in the order book, available to be traded.
- 24h Volume
- The total number of contracts that have been traded in the preceding 24 hours.
- Open Interest
- The total number of outstanding contracts that have not yet been settled.
- OI Turnover (24h)
- The ratio of 24-hour trading volume to open interest, indicating market activity relative to its size.
- Status
- The current operational state of the market, such as active, suspended, or closed.