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Metric pair and limit alerts

5 min · DYOR Education
PRORight rail · Alerts · Limit alerts
Goal

Cover two special types: the “Metric pair” alert metric and a limit alert on a specific large order.

1Metric pair
The “Metric pair” alert metric: each metric is built as in the builder — source, field, symbol, market, depth; below are operation, normalization, window, indicator
The “Metric pair” alert metric: each metric is built as in the builder — source, field, symbol, market, depth; below are operation, normalization, window, indicator

The Metric pair alert metric joins any two sources into one value right inside the alert condition. Fields in order:

  • Timeframe — one for both metrics.
  • Metric A and Metric B — each built as in the Metrics Builder: source, field, Symbol (empty — the coin from the condition), Exchange (Spot / Futures), Depth %, BTC pairs.
  • Operation — the same as in the Metrics Builder: Divergence (A − B), Divergence Abs, Composite (A + B), Alignment (A × B), Ratio (A / B), Relative Divergence, Divergence Momentum (ΔA − ΔB), Correlation (ΔA ~ ΔB). Spearman IC and Tail Edge aren't available in alerts.
  • Normalization — no normalization, Z-Score or Percentile; Normalization window — 100 bars by default; for Correlation — Correlation period.
  • Indicator — a classic indicator on top of the result, Raw by default.

Then a regular comparison: an operator and the right-hand metric. For Z-Score and Percentile the form shows a hint on what the result means.

2Limit alert
The “Add Limit Order Notification” form: name, market type, coin, order book side, percentage from price, units, minimum order size and duration
The “Add Limit Order Notification” form: name, market type, coin, order book side, percentage from price, units, minimum order size and duration

The second alert type. It watches not an indicator value but the appearance of a specific large limit order in the order book. It opens with its own button in the right rail — Limit alerts: the panel lists these alerts, and the green plus opens the form. It isn't in the regular alert list.

FieldWhat it means
Market TypeSPOT or FUTURES.
CoinFrom the list.
Ask/Bid TypeWhich side to watch:
BID — large buy orders below the price.
ASK — sell orders above the price.
Percentage from current priceHow close to the price the order must sit.
Value Output TypeCoins or USDT.
Minimum order quantityOrder size threshold in the selected units, Coins or USDT.
That's how the field is labeled in the form; it means the size of a single order.
Minimum order duration in minutesHow long the order must stand before you get notified.
Name, delay, channelSame as in a regular alert.

Plan: on the free plan limit alerts are fully locked — you can neither build nor save one. By eye you can see the same thing with the “Limits on chart” layer.

Try it yourself
  1. In the editor pick “Metric pair” as the metric: A — Order Book Bids ($) 1.5%, B — Order Book Asks ($) 8%, operation Ratio.
  2. Look at the “What will happen” line and close without saving.
What you should get. You've built in an alert the same thing as COIN B&A DIFF SMART on the chart, but with your own operation.
Paid feature.
Takeaway

“Metric pair” joins two indicators into one value right inside the condition, like the compare mode in the Metrics Builder. The limit alert is a separate rail button. It watches not a value but the appearance of an order with a given size, distance from the price and duration. Fully locked on the free plan.

Quick check

How is a limit alert different from an alert on COIN B&A?

Show answer

Correct answer: It watches one specific large order, not the sum of orders at a depth

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