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@justscreeneren
EN RU

Setting up the open interest screener

Open interest is the total of all positions that have not been closed. Price tells you where the market is going; open interest tells you how much money went into that move. The screener checks it every minute across every futures pair on 9 exchanges. Below is a walkthrough of every field — click an item and it lights up in the form.
In short
  • The screener compares open interest now with the value N minutes ago and alerts you when the difference clears your threshold. Futures only — spot has no open interest.
  • The form has two scenarios: OI change (how much money came in or left) and OI / price divergence (money and price moving opposite ways).
  • A threshold can be a percentage, a dollar amount in millions, or both at once — the alert arrives on whichever fires.
  • Where to start: apply a ready-made setup — say, +5% in 5 minutes with a turnover floor of $10m — and move the thresholds from there.
Scenarios
When should this screener fire?
1 of 3
OI change
Sharp open-interest move — money entering or exiting positions
OI / price divergence
Open interest and price move in opposite directions. OI↑ + price↓ — new positions are opening into the drop. OI↓ + price↑ — the rise runs on positions closing.
Unusual move for this coin
Fires not on "moved N%" but on "N times larger than this coin normally moves". One threshold is equally correct on bitcoin and on a thin alt. Works together with the percentage threshold, not instead of it: a move must pass both.
Limits
Cap how often the screener may fire on a single coin
1 of 2
When on, limits how many alerts the same coin can generate, so you do not get dozens of notifications about the same move.
Adjust to the market
The screener moves the value within your range on its own: when alerts are too frequent — toward the top, when there are almost none — toward the bottom. Recomputed once a day from your alert flow. Your numbers stay as you set them; the value in effect is always shown here.
Filters
Narrow what counts as a hit

Open interest screener trigger scenarios

The two scenarios answer different questions and are independent: an alert arrives on whichever fires.
Scenario Question it answers Fields
OI changehow much money came in or left over the window3
OI / price divergencewhether the money agrees with the price: OI and price moving opposite ways3
The amount field exists for large coins. An illustrative example: with $10bn of open interest, a $50m inflow is 0.5%, and a percentage threshold will never see it. The dollar threshold works in parallel with the percentage one: the alert arrives on whichever fires, and it makes no distinction of direction — an inflow and an outflow count alike.
Divergence has three fields of its own, and all of them must be set: a minimum OI change, a minimum price change, and its own window. Two thresholds are there to rule out cases where “opposite ways” means a jitter of hundredths of a percent. The ready-made setup uses 5% on OI and 1% on price over 30 minutes.
The last scenario, “an unusual move for this coin”, is not a threshold: it is a filter on top of the first scenario. A change has to clear both your threshold and the “how many times stronger than usual” bar for that pair on that venue. Without it, on a contract with near-zero open interest, “five times the usual” is reached almost every minute.

Limits: how many open interest alerts you are willing to read

One move gives one alert: the screener fires at the moment the threshold is crossed, not every minute while the change over the window stays above it. But positions are built in waves, so a coin clears the threshold again on every new window. Limits exist for that case.

Filters: which coins to measure open interest on

The minimum open interest matters more here than in other screeners, and it is measured in millions of dollars. The arithmetic is plain: on a contract with $0.5m of open interest, a 20% rise is $100k — one other person’s position. On a contract with $20m, the same 20% means a $4m inflow.
This form has no market filter, and that is not an omission: open interest exists only on futures, and the screener never looks at spot venues at all. The daily turnover floor works as usual — it drops pairs where the price is easy to push.

Ready-made setups

These are the same sets applied with one click in the screener settings. The values below are exactly what gets filled in.

Fast OI spike

+5% in 5 min

Period
30 min.
Pause between alerts per coin
30 min.
Min. Open Interest Value
0.5 M $
Min. Exchange 24h Turnover
10 M $

Logic: the fastest open interest spikes — +5% in five minutes, meaning many new positions opened in a short time. The $10m turnover floor filters out thin pairs, where a spike like that means nothing. At most one alert per coin every half hour: this is the most frequent OI scenario.

OI growth on large coins

+20% in 4 hours

Period
720 min.
Pause between alerts per coin
720 min.
Min. Open Interest Value
20 M $
Min. Exchange 24h Turnover
50 M $

Logic: open interest up 20% over four hours — positions built up steadily rather than in one burst. The floors keep only large caps: open interest from $20M, turnover from $50M. At most one alert per coin in 12 hours.

OI / price divergence

OI ↑ vs price ↓ in 30 min

Period
360 min.
Pause between alerts per coin
180 min.
Min. Open Interest Value
5 M $
Min. Exchange 24h Turnover
10 M $

Logic: base OI trigger is off — only divergence fires. OI rising while price falls means new positions are opening into the drop. OI falling while price rises means the rise comes from positions being closed. 30-min window, OI ≥ 5%, price ≥ 1%; open interest from $5M, turnover from $10M.

OI impulse + divergence

+8% in 15 min

Period
120 min.
Pause between alerts per coin
120 min.
Min. Open Interest Value
2 M $
Min. Exchange 24h Turnover
10 M $

Logic: two scenarios in one preset. The base 8% / 15 min scenario marks sharp OI spikes; the divergence layer (60 min, OI ≥ 4%, price ≥ 1.5%) marks slower mismatches between OI and price. Two scenarios easily stack into a series on one coin, so the cap is one alert per two hours.

Any set is a starting point, not a recommendation. Once applied the thresholds are yours: move them and the screener starts counting the new way immediately.

Common mistakes when setting up the open interest screener

  • Carrying a dollar threshold across exchanges. Because some venues count both sides, the same amount stands for a different position size.
  • A short window on large coins. Five percent of bitcoin open interest in a minute almost never happens — that screener will stay silent.
  • Half of the divergence scenario. It has three thresholds and all of them must be set: missing any one makes the scenario count as unset, and it never runs.
  • Reading rising OI as a reason to buy. A rise means money is coming in, but not from which side: every new long has a new short. Price alongside it gives the direction — which is exactly what the divergence scenario is for.
  • Open interest screener setup FAQ

    Which interval should I pick for the open interest screener?

    The choice runs from 1 minute to 4 hours. A short window catches a sharp rush into positions, a long one catches slow accumulation. The ready-made setups use +5% in 5 minutes for fast spikes and +20% in 4 hours for large coins, where positions are built gradually rather than in one jump.

    Percentage or a dollar amount: which threshold should I set?

    A percentage is universal — it reads the same on any coin. A dollar amount is for large coins, where an inflow of tens of millions is a fraction of a percent and a percentage threshold will never see it. The two fields work in parallel: fill both and the alert arrives on whichever fires.

    What does 2 mean in the amount field?

    Two million dollars. That field and both liquidity floors are measured in millions: 2 is $2,000,000 and 0.5 is $500k. The threshold does not distinguish direction — an inflow and an outflow of that size both count as events.

    Can I get alerts when open interest falls?

    Yes. The percentage field accepts a minus sign: −5 means “open interest fell by 5% or more”. You do not need the dollar threshold for that — it already fires both ways.

    Why is the screener silent while open interest is rising?

    Check three things. The threshold may be large for the window: 5% in a minute on a large coin barely ever happens. The filters may be dropping the pair itself. And the divergence scenario needs both of its thresholds — OI and price — otherwise it counts as unset.

    Why can’t absolute thresholds be carried between exchanges?

    Some venues, Bybit and Gate among them, count open interest two-sided: longs and shorts on the same contract are added together, so the number comes out twice as large. A percentage change is always comparable, while a dollar threshold on those venues stands for half the position size.

    Why does the divergence scenario need both thresholds?

    A divergence only counts when both values have moved noticeably and in opposite directions. The OI threshold filters out position jitter, the price threshold filters out a flat price. The ready-made setup uses 5% on OI and 1% on price over 30 minutes.

    What open interest is and how to read the price + OI pair is covered in “What open interest is”. How the screener measures it and what the alert contains is in the screener description, and thresholds for specific jobs are in open interest use cases.
    Everything described above is set up in the screener: pick a ready-made setup or your own thresholds, and alerts arrive by push or Telegram.