Interpret Unusual Activity

Use unusual as a filter description

Options Flow → Unusual applies screener presets aimed at activity such as volume, sweeps, blocks or opening-related measures. The selected criteria determine why a row qualifies. The label itself does not establish insider knowledge, a single participant, a position opening or a calibrated probability of an underlying move. Treat a result as a candidate for inspecting exact contract and execution evidence.

Investigate one qualifying result

A useful review starts by writing down the actual selected threshold rather than only the preset name.

1. Open Unusual and inspect its preset and filters.
2. Confirm session, date, symbol scope and row grain.
3. Read exact root, expiry, strike and right for a contract result.
4. Compare observed volume with the stated OI date.
5. Inspect available sweep/block or raw-print evidence.
6. Use the contract drawer for current quotes and eligible price history.

Separate screens from live alert rules

An unusual-flow alert tests an actual new print's premium or size against its configured threshold. It is not identical to every screener preset and does not automatically monitor a screen's whole ranking formula. Backfilled prints and cancelled conditions do not become new live unusual-print alerts. A contract can qualify for a historical screen without having generated a current alert, and that difference is not evidence that the alert worker ignored it.

Worked example: an activity spike without a price promise

Suppose a low-OI contract shows several qualifying large prints and rises near the top of the screen. Inspect the OI date, execution prices, right and expiry. A spread or closing transaction can still produce large activity, and an outdated OI snapshot can exaggerate a ratio. Compare the available constituents and broader market context. State the observed threshold and evidence instead of describing the result as confirmed opening demand or a guaranteed directional signal.

Troubleshoot different results across views

Match the screener grain, thresholds and date with the tape before comparing. Consolidation can reduce row counts while preserving grouped quantities. A current-only alert does not retroactively fire for recovered history. If a qualifying row lacks detail, preserve that unavailable evidence rather than guessing its legs. For support include preset, fields causing qualification, exact identity and source timestamps so the underlying selection can be repeated.

Classification does not reveal a complete position

The inferred aggressor side compares an execution with eligible quote evidence. Above ask, at ask, midpoint, at bid, below bid and unknown describe classification, not verified participant identity. Midpoint and unknown prints do not receive a guessed buyer or seller just to complete a chart. A call transacted near the ask has a different conventional directional interpretation from a put transacted near the ask, but either can be one leg of a larger position.

A print can close a position, open one, roll an expiration, hedge something else or belong to a multi-leg trade whose other legs are outside the current filter. Public tape alone does not establish which explanation applies. A sweep or block label organizes execution evidence; it does not prove informed intent. Use exact contract, price, size, time, exchange and available constituent detail to investigate. Keep unknown classification visible in your interpretation, and avoid describing signed premium as actual net dealer buying without the additional positioning evidence that would require.

Keep screening thresholds separate from opening-interest claims

A volume/OI comparison uses observed activity and a dated outstanding-contract count. Repeated turnover can produce a high ratio without a corresponding number of new positions. A large executed premium can come from expensive options rather than exceptional contract size. A sweep/block qualifier describes an execution pattern under its classification rules, while opening-related presets still depend on the evidence they actually contain. Describe the measurable qualifying field instead of converting unusual into a claim that a trader knows the next price move.

For a useful report, choose one qualifying contract and record the preset, threshold, field value and source date. Then review the tape or consolidated constituents and exact contract chart at matching times. Note whether the screen is live, historical or partial. If you want ongoing notification, create a supported alert with its own explicit field and threshold rather than assuming the entire screen automatically runs as an alert. This also explains why a backfilled historical candidate can appear in a screen without generating a new-print notification now.