Written by Susan Miller*

Professional English for Market Color: Positioning and Skew Language to Explain Vol and Flow Clearly

Struggling to deliver market color that’s sharp, compliant, and actually useful to pros on the other side of the call? This lesson gives you the exact language to describe positioning, skew, and volatility—cleanly separated, flow-linked, and free of advice—so you can explain vol and flow with confidence. You’ll get crisp definitions, desk‑native templates, HF vs. LO calibration, and real examples, followed by quick checks to lock it in. Finish with a two‑minute routine you can run every session, timestamped and compliance‑safe.

Step 1 – Compliance-safe definitions and boundaries

When you deliver market color to professional clients, your first duty is clarity and compliance. The words you choose—especially around positioning, skew, and volatility—must describe the market without revealing client identities, sizes, or intent, and without implying recommendations. To achieve this, anchor your language in aggregate data, observable prints, and time-stamped facts.

Positioning in client-safe language refers to the aggregate distribution of risk across the market, not the books of any specific client. You can describe positioning through public or widely used proxies that summarize the street: for example, shifts in open interest by strike and tenor, changes in futures positioning reported by sources like CFTC’s Commitment of Traders (COT), or model-based inferences such as dealer gamma and vanna exposures that are common in sell-side commentary. The essential idea is to speak about the crowd, not the individual. When you say “positioning screens show,” you are referencing observable, aggregate-level indicators rather than internal client data. This keeps the color informative and compliant. Avoid any phrasing that could be read as a disclosure of a single client’s trade, strategy, or size, and avoid prescriptive phrasing that could be interpreted as advice.

Skew describes the relative pricing of out-of-the-money options on the put side versus the call side. In equities, a common pattern is “put skew,” sometimes called “left skew”: downside puts are typically more expensive in implied volatility terms than upside calls, reflecting the market’s demand for protection against drawdowns. You communicate skew movement with short, neutral phrases: “put skew firmed,” “skew steepened,” “call skew richened,” or “right wing softened.” Notice these labels do not imply what to do; they purely report how relative prices moved. When you link skew changes to flows, do so cautiously: “put skew steepened after steady downside demand” is acceptable; “investors are bracing for a crash, so buy puts” is not. Your job is to surface the shape and changes of the options surface without drifting into advice or client-specific insinuations.

Volatility must be differentiated in two ways: realized versus implied, and levels versus term structure. Realized volatility is what the underlying has actually delivered over a lookback window (such as 5D, 10D, or 1M). Implied volatility is the market’s pricing of future uncertainty embedded in options. Both move through time and across expiries. Use careful, quantitative phrasing: “implied vol marked higher,” “front-month vols eased,” “term structure flattened,” or “the back end steepened.” This language reports the state of the surface. Avoid over-assertive attributions like “implied vol rose because a particular fund bought calls,” unless that is a public, verifiable fact. Prefer probability language and correlation framing: “implied vol moved higher alongside heavy short-dated flow” signals a relationship without declaring a definitive cause.

Compliance guardrails protect both you and your clients. Do not use client names, specific fund references, or sizes. If you need to refer to participant categories, keep them generic and grounded in market consensus or public sources: “dealers,” “macro funds,” “systematic strategies,” “retail” (if based on public prints). Attribute cautiously and stick to verifiable markers: “we observed,” “tapes showed,” “screens indicate,” and include timestamps: “into the close,” “in the European morning,” “post-data release.” Keep commentary factual and descriptive, free of advice, and ensure that any inferences are framed as inferences: “appears consistent with,” “likely,” “may have contributed.”

By setting these boundaries first, you create a disciplined framework: define the terms, cite the aggregates, timestamp the observations, and keep the tone descriptive rather than prescriptive.

Step 2 – Neutral, flow-linked phrasing for skew and positioning

Once your definitions are clear, your language choices should reinforce neutrality and evidence. Use verbs that report, not recommend. “Observed,” “saw,” “noted,” “indicated,” “printed,” “traded,” “volumes ran heavy or light,” and “OI shifted” belong to a factual register. These signal that you are reading the market rather than steering it. When you interpret relationships, apply hedging phrases to avoid hard causality: “appears,” “likely,” “consistent with,” “may have contributed,” and “coincided with.” This language respects the complexity of market dynamics and protects you from over-claiming.

A strong method for delivering coherent color is to follow a linking chain that connects flow to volatility, to skew, to positioning inference. The chain progresses in four steps:

  • Flow type: What actually traded? Where was the activity concentrated—puts or calls, upside or downside, which expiries, which strike region?
  • Vol/price response: How did implied volatility react by tenor? Did spot move? Were moves localized to the front end or spread along the curve?
  • Skew shape: Did the relative pricing between puts and calls change? By how much, and in which region (e.g., 25-delta, 10-delta)?
  • Positioning implication: What does this suggest about the street’s inventory or the balance of risks? Are dealers likely longer or shorter gamma in a region? Is the market leaning toward protection demand or upside participation?

To preserve credibility, anchor this chain in quant ranges rather than single-point precision. Saying “+0.8–1.2 vols” or “25D skew steeper by 1–2 points” reflects the fact that different screens can disagree slightly, and market conditions evolve through the session. Likewise, timestamp the moves and, when relevant, contrast sessions: “Asia hours,” “into the US open,” “post-close.” This positions your comment in time and is especially important if you circulate color across regions.

A crucial safety rule is to avoid implicit recommendations. For instance, do not write “hedge via puts.” Replace this with neutral expressions that describe observed preferences: “clients continue to prefer short-dated downside as a hedge expression.” The difference is material: the first is advice; the second is an observation of flow. Keep this discipline across your commentary—describe, compare, timestamp, and quantify, but do not advise.

Step 3 – Calibrating tone for hedge funds versus long-only clients

The same market color must often serve very different audiences. Hedge funds (HF) and long-only (LO) managers differ in jargon tolerance, interest in microstructure, and time horizons. Calibrating the message increases comprehension and avoids confusion.

For hedge funds, you can use denser terminology and microstructure detail. HF readers are comfortable with Greeks and relative value (RV) nuance. They often act intraday and care about carry, convexity, and the mechanics of dealer hedging. You can mention “25-delta,” “vega,” “gamma,” “vanna,” “kurtosis premium,” and “carry-adjusted RV” without losing them. The cadence can be tighter and more data-rich, with attention to intraday patterns: where buyers concentrated (0–3D tenors), how the close impacted dealer hedging, which wings richened or softened, and how this compares to historical percentiles. Importantly, you still keep the compliance hedges: “appears,” “consistent with,” and “likely.” But you can discuss inventory dynamics explicitly: “dealers likely shorter downside gamma intraday,” “mark-to-market supply,” or “vega chasing into the close.” The time horizon is minutes to days, so you emphasize immediate pricing impacts, relative cheapness versus ATM on a carry basis, and session-on-session moves.

For long-only clients, the language should be plainer and oriented toward portfolio implications over a weekly or monthly horizon. Avoid excessive abbreviations and define terms implicitly through context. Instead of “25D put skew steepened ~1.2 pts,” try, “downside protection became a bit more expensive relative to at-the-money options compared with last week.” Replace Greek-heavy detail with the impact on hedging costs and clarity on tenor: “most of the activity was in contracts expiring this week,” “near-term prices drifted higher,” or “the curve flattened slightly.” LO clients often seek durable takeaways they can relate to portfolio hedging: Is protection getting cheaper or more expensive? Are markets paying up for upside or downside? Is short-dated insurance in demand? Keep your explanations succinct, with a clean hierarchy: headline move, simple cause framing, and a high-level implication for hedging costs.

To switch gears between audiences, manage three levers:

  • Abbreviations and jargon: High for HF; minimal for LO.
  • Greeks and microstructure: Explicit for HF; summarized impact for LO.
  • Precision versus clarity: HF can take numbers and basis points; LO benefits from directional statements and cost framing.

This calibration ensures your color is not only correct but also useful, matching the cognitive bandwidth and decision cycles of each client type.

Step 4 – Reusable sentence templates and a short production routine

Operationalizing your language into templates helps you produce consistent, compliant market color quickly. Think of these as fill-in structures that keep you within guardrails while capturing the core of positioning, skew, and vol dynamics.

For positioning, rely on aggregate framing and observable metrics:

  • “Positioning screens show [aggregate] leaning [long/short] [asset/strike/tenor], with [metric] moving [direction/range] since [time].” This anchors your statement in a screen or a known dataset, references a direction, and timestamps the move.
  • “Dealer gamma appears [long/short] in the [tenor/strike region]; price action has been [muted/whippy] around [level], consistent with [pinning/chasing].” This template connects inferred dealer positioning to spot behavior without overstating certainty.

For skew, keep to short, comparative statements focused on the wings:

  • “Put skew [steepened/flattened] by ~[X] pts in the [tenor], as [flow type] concentrated in [moneyness/expiry].” This isolates the key relative movement and links it to flow concentration.
  • “Call skew [richened/softened] on [sector/single-name] following [public event], with 25D calls vs puts moving [bps/pts].” This is appropriate when a news-driven move shifts upside demand.

When linking flow to volatility, use two-part structures that first report what traded, then quantify the surface response and provide a realized-versus-implied reference:

  • “We saw [buying/selling] in [options], and implied vol in [tenor] marked [up/down] by [X] vols; realized vol remains [below/above] implied on [lookback].” This connects flow, surface movement, and risk premium context.
  • “Open interest shifted toward [puts/calls] at [strike band], suggesting more [downside protection/upside participation] rather than outright direction.” This captures how OI informs positioning without claiming intent.

Finally, adopt a two-minute production routine to create concise, consistent color. The routine has five steps that you can follow in any market condition:

1) Start with a fact. State the most important surface change first, with a number and a tenor: “Front-month implied vol +0.8 vols on the day; term structure flattened.” This orients the reader immediately. 2) Add flow. Describe where activity concentrated: “Heavy put buying in 0–2W tenors; call side light.” Keep it neutral, with observed prints or volumes. 3) State the skew change. Capture the wing movement succinctly: “25D put skew steepened ~1 pt; call wing softer.” This places the relative pricing in context. 4) Offer a positioning inference with a hedge. Translate these observations into a cautious inventory inference: “Looks like protection demand; dealers likely shorter downside gamma intraday.” Use hedging phrases—“likely,” “appears”—to avoid overstatement. 5) Adapt to the audience and timestamp. For HFs, add microstructure nuance and intraday context; for LOs, simplify the language and frame the portfolio implication. Always include a time marker: “into the US close,” “post-ECB,” “through Asia.”

By following these steps, you transform disparate observations—prints, screens, and session notes—into a coherent, compliant narrative. The routine ensures that you always cover the three pillars (vol level and term structure, skew movement, and flow) and close with a measured positioning inference that respects uncertainty.

Bringing it all together: disciplined, transparent market color

Effective market color is disciplined description, not advice. It is the practice of narrating how the options surface evolves—levels, slopes, and shapes—against the backdrop of observed flows, while staying within compliance boundaries. You define positioning in aggregate terms, treat skew as a relative pricing shape, and separate realized from implied volatility and levels from term structure. You choose verbs that report and adverbs that hedge, calibrate jargon to the reader, and quantify in ranges with timestamps. You avoid client specifics, you avoid prescriptions, and you avoid unfounded causality.

Across different days and markets, the core structure does not change. You open with the vol level and curve shape, summarize notable flow with tenor and moneyness, state the skew adjustment succinctly, and then offer a cautious positioning inference. When appropriate, connect implied to realized to show premium or discount, and refer to public or consensus positioning indicators. With practice, your language becomes both precise and safe: “observed,” “marked,” “steepened,” “richened,” “consistent with,” “likely,” and “appears” become your standard toolkit. This combination of careful definitions, neutral phrasing, audience calibration, and reusable templates ensures your color is reliable, readable, and ready for professional circulation.

  • Keep commentary compliant: speak in aggregates, cite observable data with timestamps, avoid client specifics and advice, and use hedging language (appears, likely, consistent with).
  • Distinguish clearly between realized vs implied volatility and report levels and term structure neutrally (e.g., front-month vols up; curve flattened).
  • Describe skew as relative pricing between puts and calls using neutral, quantified phrases (e.g., put skew steepened ~1 pt) and link to flows without hard causality.
  • Follow a repeatable flow→vol→skew→positioning chain, quantify in ranges, and adapt jargon and detail to the audience (denser for HFs, plainer and cost-focused for LOs).

Example Sentences

  • Positioning screens show the street leaning short downside in the front month, with dealer gamma likely negative below 4100 into the US close.
  • Put skew steepened by ~1–2 points in 0–2W tenors after steady demand in 10–25D puts; the right wing softened modestly.
  • Implied vol marked higher by about 0.8 vols in the front end while 10D realized remains below implied on a 1M lookback, keeping the premium intact.
  • Open interest shifts toward 95–100% moneyness puts suggest a preference for protection rather than outright bearish direction, based on today’s prints.
  • Term structure flattened through the European morning; 1W–1M vols up, back end stable, consistent with short-dated hedging interest.

Example Dialogue

Alex: Quick read—front-month implied vol is +0.7 vols on the day, and 25D put skew steepened about a point after the data.

Ben: Noted. Was that localized to weeklies, or did the 1M also move?

Alex: Mostly 0–2W; weeklies saw concentrated 10–25D put buying, while calls were light.

Ben: So dealers likely shorter downside gamma intraday, which could keep moves whippy around spot.

Alex: That’s how it screens; realized still trails implied on 10D, so the premium remains.

Ben: Thanks—timestamp this as “post-US open,” and keep the tone descriptive only.

Exercises

Multiple Choice

1. Which phrasing best maintains compliance while describing skew movement?

  • Investors should buy puts because put skew steepened.
  • Put skew steepened by ~1 pt in 0–2W tenors after steady downside demand.
  • A specific fund lifted 50k 10D puts, so skew exploded.
  • Skew moved due to panic selling—brace for a crash.
Show Answer & Explanation

Correct Answer: Put skew steepened by ~1 pt in 0–2W tenors after steady downside demand.

Explanation: This option is neutral, quantified, and flow-linked without advice or client-specific disclosure, aligning with the lesson’s compliance and tone guidelines.

2. Which statement correctly distinguishes realized from implied volatility with proper tone?

  • Realized vol will definitely catch up to implied next week.
  • Implied vol marked higher by ~0.8 vols in the front end; 10D realized remains below implied on a 1M lookback.
  • Implied and realized are the same in practice, so we can ignore the difference.
  • Implied rose because one fund bought calls.
Show Answer & Explanation

Correct Answer: Implied vol marked higher by ~0.8 vols in the front end; 10D realized remains below implied on a 1M lookback.

Explanation: It neutrally reports implied moving, contrasts it with realized over a lookback, and avoids unfounded causality—matching the lesson’s guidance.

Fill in the Blanks

Positioning screens show the street leaning ___ downside in the front month, with dealer gamma likely negative below 4100 into the US close.

Show Answer & Explanation

Correct Answer: short

Explanation: “Leaning short downside” is compliant aggregate language describing market-wide risk distribution, not a specific client position.

Term structure ___ through the European morning; 1W–1M vols up, back end stable, consistent with short-dated hedging interest.

Show Answer & Explanation

Correct Answer: flattened

Explanation: “Flattened” neutrally describes front-end vols rising while the back end stays stable, per the lesson’s term-structure vocabulary.

Error Correction

Incorrect: Put skew jumped, so buy puts before the close.

Show Correction & Explanation

Correct Sentence: Put skew firmed into the close after steady downside demand.

Explanation: The original contains prescriptive advice. The correction uses neutral, descriptive phrasing and links skew to observable flow without recommending action.

Incorrect: We saw a big client shorting calls; therefore implied vol rose because of them.

Show Correction & Explanation

Correct Sentence: We observed call selling; implied vol in the front end marked slightly lower, which appeared to coincide with the activity.

Explanation: Avoid client identification and hard causality. The correction removes client specifics, hedges attribution, and uses neutral verbs consistent with compliance guardrails.