snapshot_time | DateTime64(3) | Hourly snapshot timestamp (DateTime64). |
coin | String | Perpetual contract ticker (e.g., ‘BTC’, ‘ETH’, ‘SOL’). Links to perp_meta. |
funding | Float64 | Current predicted funding rate (per-hour). Positive = longs pay shorts. |
open_interest | Float64 | Total open interest in contract units (not USD). |
prev_day_px | Float64 | Previous day’s closing price. |
day_ntl_vlm | Float64 | 24-hour notional volume in USD. |
premium | Nullable(Float64) | Basis premium (mark - oracle). Nullable. |
oracle_px | Float64 | Oracle price (external reference, typically Pyth/Chainlink). |
mark_px | Float64 | Mark price (used for margin and liquidation calculations). |
mid_px | Nullable(Float64) | Mid price of the order book. Nullable. |
impact_bid_px | Nullable(Float64) | Price for a standard-size market sell. Nullable — indicates depth. |
impact_ask_px | Nullable(Float64) | Price for a standard-size market buy. Nullable — indicates depth. |
snapshot_date | Date | Date of the snapshot (partition key). |