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SIGNAL REFERENCE

Every signal, explained.

Deep dives into 69 live signals from the registry — what each one measures, the literature behind it, available windows and transforms, and a real API call to fetch it. All of them are served today, point-in-time and leak-free. The full registry (including families still in rollout) lives in the catalog.

Order Book

core tier · unlocks on Signal

Resting liquidity, shape and pressure of the book.

Top-of-Book Spread (bps)FREE PREVIEW
orderbook.spread_bps

Top-of-book spread in basis points.

Microprice Deviation
orderbook.microprice_dev

Size-weighted mid deviation from mid.

Book Imbalance (L1)
orderbook.book_imbalance

Bid vs ask volume imbalance at L1.

Bid-Side Book Slope
orderbook.book_slope_bid

Bid-side liquidity decay vs distance.

Ask-Side Book Slope
orderbook.book_slope_ask

Ask-side liquidity decay vs distance.

Microprice Gradient (Short)
orderbook.microprice_grad_short

Short-horizon microprice gradient.

Order Flow

core tier · unlocks on Signal

Who is hitting the book, how hard, how toxic.

Order-Flow Imbalance (OFI)FREE PREVIEW
flow.ofi

Order-flow imbalance from L1 updates.

VPIN — Flow Toxicity
flow.vpin

Volume-synced probability of informed trading.

PIN Approximation
flow.pin_approx

Approx. PIN flow-toxicity estimator.

Cumulative Volume Delta (CVD)
flow.cvd

Cumulative volume delta (net flow).

Quote Intensity
flow.quote_intensity

Quote arrival intensity, 60s.

Tick vs Trade Imbalance Gap
flow.tick_trade_imbalance

Tick vs trade imbalance gap.

Trade Size P99
flow.trade_size_p99

99th-percentile trade size, rolling.

Liquidations

core tier · unlocks on Signal

Forced flow — where leverage breaks.

Long Liquidation Volume
liquidations.liq_long_vol

Long liquidation volume, rolling.

Short Liquidation Volume
liquidations.liq_short_vol

Short liquidation volume, rolling.

Liquidation ImbalanceFREE PREVIEW
liquidations.liq_imbalance

Net long-vs-short liquidation pressure.

Total Liquidation Notional
liquidations.liq_total_notional

Total liquidation notional, 30m.

Funding

pro tier · unlocks on Edge

Cost of carry and crowd positioning via perps.

Cross-Venue Average Funding
funding.funding_avg

Cross-venue average funding rate.

Funding Dispersion
funding.funding_dispersion

Std of funding across venues.

Funding Rate (USDT-M)
funding.funding_usdtm

USDT-margined funding rate.

Funding Rate (Hyperliquid)
funding.funding_hl

Hyperliquid funding rate.

Hyperliquid Basis
funding.basis_hl

Hyperliquid perp basis vs spot.

Coin-Margined Basis
funding.basis_coinm

Coin-margined basis vs spot.

Minutes Until Funding
funding.minutes_until_funding

Time to next funding settlement.

Positioning

pro tier · unlocks on Edge

Open interest and trader long/short ratios.

Open Interest (USDT-M)
positioning.oi_usdtm

Aggregate USDT-margined open interest.

Open Interest (Hyperliquid)
positioning.oi_hl

Hyperliquid open interest.

Top-Trader Long/Short Ratio
positioning.lsr_top

Top-trader long/short account ratio.

Global Long/Short Ratio
positioning.lsr_global

Global long/short account ratio.

Taker Buy/Sell Ratio
positioning.taker_ratio

Taker buy/sell volume ratio.

LSR Divergence (Top vs Global)
positioning.lsr_divergence

Top vs global LSR divergence.

Options

pro tier · unlocks on Edge

Implied vol, skew and dealer hedging pressure.

DVOL Index (Deribit)
options.dvol_close

Deribit DVOL index close.

Put/Call Volume Ratio
options.pcr_volume

Put/call volume ratio.

Average ATM Mark IV
options.avg_mark_iv

ATM average mark implied vol.

Volatility

quant tier · unlocks on Quant

Realized vol estimators, jumps and forecasts.

Realized Volatility (30m)
volatility.rv_30m

Realized volatility, 30m.

HAR-RV Daily Component
volatility.har_rv_daily

HAR-RV daily component.

HAR-RV Weekly Component
volatility.har_rv_weekly

HAR-RV weekly component.

Garman-Klass Volatility
volatility.garman_klass

Garman-Klass range volatility.

Yang-Zhang Volatility
volatility.yang_zhang

Yang-Zhang volatility.

Parkinson Volatility
volatility.parkinson

Parkinson high-low volatility.

Velocity

quant tier · unlocks on Quant

Trade-speed primitives, acceleration and bursts.

Price Velocity (60s)
velocity.vel_60s

Price velocity over 60s.

Price Velocity (300s)
velocity.vel_300s

Price velocity over 300s.

Trade Intensity (per second)
velocity.trades_per_sec

Trade intensity (trades/sec).

Regime

quant tier · unlocks on Quant

Trend vs range vs jump — the state of the tape.

Variance Ratio (Lo-MacKinlay)
regime.variance_ratio

Lo-MacKinlay variance ratio.

Hurst Exponent
regime.hurst

Hurst exponent — persistence vs reversion.

Price Discovery

quant tier · unlocks on Quant

Impact, effective spread and where price is formed.

Kyle's Lambda
price_discovery.kyle_lambda

Kyle’s lambda — impact per unit flow.

Amihud Illiquidity
price_discovery.amihud_illiq

Amihud illiquidity.

Roll Implied Spread
price_discovery.roll_spread

Roll-implied effective spread.

Hasbrouck Effective Spread (bps)
price_discovery.hasbrouck_spread

Hasbrouck effective spread (bps).

Cross-Market

quant tier · unlocks on Quant

Lead-lag, basis, beta and cointegration across venues.

Coinbase Premium
cross_market.cb_premium

Coinbase premium vs offshore.

Binance→Coinbase Lead-Lag
cross_market.lead_lag_cb

Binance→Coinbase lead-lag.

BTC Trailing Return
cross_market.btc_ret_30m

BTC return as a beta driver.

Rolling Beta to BTC
cross_market.rolling_beta_btc

Rolling beta of asset to BTC.

Polymarket

core tier · unlocks on Signal

On-chain prediction-market microstructure. Binary (YES/NO) markets on m5 · m15 · h1 · h4 · daily horizons.

PM Microprice (YES)
polymarket.pm_microprice

Size-weighted YES microprice.

PM Spread (YES)
polymarket.pm_spread

YES book spread.

PM Book Imbalance (Top 5)
polymarket.pm_imbalance_top5

PM book imbalance, top 5.

PM Mid Momentum
polymarket.pm_momentum

PM mid momentum.

PM Flow Imbalance
polymarket.pm_flow_imbalance

Signed trade-flow imbalance.

Context

core tier · unlocks on Signal

Calendar, macro tether and session-of-day priors.

Time to Expiry (seconds)
context.tte_seconds

Seconds to next expiry / resolution.

Hour of Day (UTC)
context.time_of_day

Hour-of-day (UTC) cyclical.

Minutes Since Funding
context.minutes_since_funding

Minutes since funding payment.

USDT Market Cap
context.usdt_mcap

Tether market-cap (liquidity proxy).

Technicals

core tier · unlocks on Signal

Classic TA, point-in-time. The window axis IS the timeframe.

RSI (14)
technicals.rsi_14

14-period relative strength index.

MACD Line (12/26)
technicals.macd_line

MACD line (12/26).

MACD Histogram
technicals.macd_hist

MACD histogram.

Bollinger %B
technicals.bb_pct_b

Bollinger %B position in band.

ATR (14), % of Price
technicals.atr_14_pct

ATR(14) as % of price.

Stochastic %K
technicals.stoch_k

Stochastic %K.

ADX (14)
technicals.adx_14

ADX(14) trend strength.

EMA 9−21 Spread (%)
technicals.ema_9_21

EMA 9 minus 21 (%).

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