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Put/Call Ratio Spike Guide

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Understand why the volume put/call ratio triggered an alert and how OI and premium ratios provide supporting context.

Is options trading concentrated in puts or calls? This radar finds readings beyond configured volume-ratio limits so you can inspect the totals behind them. It does not compare the ratio with the stock's history to establish an anomaly. The activity may be hedging rather than a price-direction bet.

Core principle: Inspect the source fields and timestamp before interpreting any label or score.
Options Radars illustration highlighting the Put Call Ratio Spike signal family
The put and call bars illustrate a volume imbalance. Inspect totals behind the ratio; contract type alone does not establish trade direction.

Use the page controls and filters

Select results

Use symbol, direction, period and minimum score, then choose page size. Favorites-only shows your saved items.

Radar-specific filters

Inspect the volume put/call ratio filter for this radar. Start with one condition and broaden an empty search.

Sorting and pages

Choose the sort column and direction, then navigate result pages. The first page is not necessarily the complete result set.

When results are absent

Distinguish empty results from an error or a plan lock. Broaden filters for an empty list, retry errors and inspect plans for locked access.

Fields and concepts

What triggered the alert?

Put volume divided by call volume triggers it. Current settings qualify ratios at or above 1.5, or at or below 1 / 1.5 (about 0.67), with trading present. Neither the OI ratio nor the premium ratio triggers this radar.

Total call and put volume

Read both totals alongside the ratio. For example, 3,000 puts and 1,000 calls give a ratio of 3. Very small call volume can also produce a high ratio.

Which figures provide context?

The OI ratio compares outstanding puts with calls at the latest available update. The dollar ratio compares estimated put and call activity value. They may differ from the volume ratio; they provide context, not additional trigger conditions.

Direction label

Bearish means put volume dominates; bullish means call volume dominates. Contract counts alone do not tell us whether trades were buys, sells or hedges.

How is the score calculated?

It is the absolute distance of the volume ratio from 1, multiplied by 50 and capped at 100. A ratio of 1.5 produces 25 points. It is not a historical comparison, success probability or symmetric measure of bullish and bearish strength.

Period and missing data

Check the signal time and selected period. A missing ratio is not zero: inspect available totals before interpreting it. Changing the alert display period does not calculate a historical baseline.

Review workflow

  1. Start with the volume ratio: it triggered the signal.
  2. Inspect put and call totals to distinguish large activity from a small opposite side.
  3. Use OI and premium ratios as context, remembering that each measures something different.
  4. Open chain and flow to inspect expiries, strikes and related trades.
  5. Compare activity with the chart, news and volatility; a direction color is not a trade instruction.

Useful supporting context

  1. Meaningful absolute volume behind the ratio.
  2. An understandable agreement or difference between volume, OI and premium.
  3. A current reading with contracts you can inspect in the chain.
  4. Price or event context explaining why the activity matters.

Cautions

  1. A high ratio caused only by low call activity.
  2. Treating protection demand as a certain forecast of falling stock prices.
  3. Treating OI as a live count of today's trades.
  4. Assuming the score proves a historical anomaly or that all symbols behave alike.

Risk and limitations

Put/call ratios can remain extreme and can reflect hedging, spreads, or structural demand. The radar does not guarantee reversal, continuation, or sentiment direction.

Related guides

Investigate the imbalance

After reading the alert, inspect the chain for expiries and strikes carrying the volume, then check flow for related trades. Fund hedging can differ from single-stock activity. Comparing a ratio with its own history is a separate study requiring earlier data; this radar does not perform that study or incorporate its result in the score.

Page components explained

Narrow the signals

Filter by stock, period, price or the available signal criteria. Start broad and add conditions gradually. The timeframe belongs to the signal, while the date range controls when signals appeared.

Period, timeframe and direction

Use the period to choose recent or older signals, the timeframe to choose the candle scale, and direction to separate bullish and bearish readings. These settings answer different questions.

Read the signal list

Start with symbol, signal time and timeframe, then read direction and the radar-specific details. Open a signal to inspect it on the chart. Scores are ranking aids, not measured win probabilities.

Saved signals and watchlists

Favorites retain specific signals for review. A watchlist tracks stocks and can include many signals for each one. Check which control you are using before narrowing the list.

Supporting context

These switches keep signals with the selected news, block-volume, compliance or options context. Presence of extra information is not proof that the signal is stronger or that all sources agree.

Inspect a signal

Compare the signal marker with the price at that time and the moves that followed. Confirm the timeframe and timestamp. A historical chart shows what happened; it does not guarantee the next signal will behave the same way.

Automatic refresh

Refresh checks for new readings. It does not make an old source current. Check the reading's timestamp and any warning before using it.

Language

Use the flag to switch the interface language. Check the currency shown on subscription and payment pages after changing language; trading symbols keep their original spelling.

Light and dark mode

Choose the appearance that makes text and chart details comfortable to read. Changing the theme affects the display, not the underlying data or signals.

Page layout

Use this control to change the available page layout. It changes how much space the interface uses, not the meaning of the displayed values.

Fullscreen

In the signed-in app, expand the site to gain more room for charts and tables. Use the control again or Escape to leave browser fullscreen.

Notification bell

Review recent notifications and their timestamps here. The badge counts unread notifications; it is not a count of unreviewed trading opportunities. Delivery channels and rules are managed in alert subscriptions.

Account menu

Open account settings, subscription details and other personal links here. Use sign out when you finish on a shared device.

Site navigation

Choose a tool from the menu: watchlists organize stocks, screeners narrow them down, and radars find particular patterns. On a small screen, use the menu button to reveal the links.

Last updated: 2026-09-13