Spot/perpetual close basis

Contract-unit-normalized perpetual close divided by spot close, minus one, for the exact same fully closed Binance one-minute trade bars. Signed fraction. BTCUSDT, ETHUSDT and SOLUSDT only, 2026-08-01T00:01:00Z through 2026-09-09T00:00:00Z inclusive. Missing or zero-trade bars are absent. Descriptive closes cannot establish executable spread, sub-minute lead/lag, flow causation or arbitrage profit.

Observed: synchronized_closed_1m_trade_closes
Unit: signed_fraction
Valid range: -1 to 1000000

Example: A recorded value of 750000 signed_fraction can be used in the editable condition below.

Use in Research

Technical details

Field ID

feature.spot_perp_close_basis

Valid query operators

at least, at most, between

Window operators: lowest, highest, average, latest or change in, over a trailing window.

Editable query preset

This preset is derived from the valid range. Edit it before running the search.

{
  "schema_version": "research_query.v2",
  "normalization_version": "archive_normalization.v1",
  "feature_version": "feature_defs.v1",
  "target": "record_occurrences",
  "where": {
    "all": [
      [
        "feature.spot_perp_close_basis",
        "gte",
        750000
      ],
      [
        "times.anchor_time",
        "gte",
        "2025-07-15T00:00:00.000Z"
      ]
    ]
  },
  "sort": [
    "times.anchor_time",
    "desc"
  ],
  "page": {
    "limit": 5,
    "cursor": null
  }
}

The search reports how often the record held this condition and what followed. It does not decide whether an idea works.

Read alongside

Distance from VWAP feature.vwap_dist
realized-volatility rank feature.realized_vol_pctrank
trailing 15-minute return feature.ret_15m
trailing one-hour range feature.range_pct_1h
trailing one-hour return feature.ret_1h
Trailing one-hour realized volatility feature.realized_vol_1h