# How Professionals Use Collars to Protect Unrealized Gains ▴ Guide

**Published:** 2025-08-06
**Categories:** Guide

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## A System for Locking in Success

A collar is an options structure that establishes a defined performance channel for an underlying asset you own. It is a three-part construct, composed of your existing stock position, a purchased [protective put](https://prime.greeks.live/area/protective-put/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite) option, and a sold [call option](https://prime.greeks.live/area/call-option/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite). Professionals deploy this mechanism to convert the open-ended risk of a profitable position into a calculated range of outcomes.

The structure gives you a definitive floor below which your asset’s value will not fall and a specified ceiling that sets the maximum point of your potential profit for the duration of the options’ contracts. This system is engineered for [capital preservation](https://prime.greeks.live/area/capital-preservation/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite), allowing you to secure significant [unrealized gains](https://prime.greeks.live/area/unrealized-gains/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite) against a sudden market downturn.

The core function of the collar is to create certainty. Your long stock holding represents the asset whose value you wish to protect. The long put option you purchase grants you the right to sell your stock at a predetermined price, the [strike price](https://prime.greeks.live/area/strike-price/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite), which acts as your safety net or value floor. This [downside protection](https://prime.greeks.live/area/downside-protection/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite) is then paid for, in part or in whole, by the premium you receive from selling a call option.

This sold call gives its buyer the right to purchase your shares at a higher predetermined strike price, effectively setting a cap on your additional gains. The interplay between these components transforms a volatile, unpredictable holding into a structured asset with a predictable risk and reward profile.

Understanding this mechanism is the first step toward proactive portfolio management. Many market participants are content to let their winning positions ride, exposing hard-won capital to the full force of market volatility. A professional mindset, conversely, seeks to systematically secure value. The collar is a primary tool for this purpose.

It is a deliberate action taken from a position of strength, designed to ring-fence profits while still allowing for a measure of upside participation. The objective is to retain the holding, perhaps for strategic or tax purposes, while insulating it from downside shocks.

> A collar option strategy is commonly used by traders to protect an unrealized gain on a stock at a reduced cost while still allowing some upside equity participation.

The elegance of the structure lies in its financing. The purchase of a protective [put option](https://prime.greeks.live/area/put-option/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite) requires a cash outlay for the premium. By simultaneously selling a call option, you generate income. In many instances, the premium received from the call can be selected to precisely offset the cost of the put.

This creates what is known as a “[zero-cost collar](https://prime.greeks.live/area/zero-cost-collar/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite),” a powerful construction that provides downside protection for no initial cash expenditure. This efficiency is a primary reason why collars are a staple in the toolkits of institutional managers and sophisticated investors who are tasked with protecting large, concentrated stock positions. They are able to build a financial firewall around a valuable asset using the market’s own pricing dynamics.

The application of a collar is an expression of a specific market view. It signals that your primary goal has shifted from aggressive capital appreciation to strategic capital preservation. You may hold a positive long-term view on the asset but anticipate short-term turbulence or a period of sideways price action. The collar allows you to navigate that period with a defined set of expectations.

You are consciously choosing to trade away unbounded potential gains for the certainty of a secured position. This decision is the hallmark of a disciplined investor who understands that protecting capital is as important as generating it. Mastering this concept moves you from being a passive holder of assets to an active manager of your own risk and reward.

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## Calibrating Your Profit and Protection

Deploying a collar is an exercise in precision engineering. It involves the careful selection of [strike prices](https://prime.greeks.live/question/how-does-volatility-skew-alter-the-optimal-strike-prices-in-a-collar/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite) and expiration dates to create a risk-management structure tailored to your specific objectives. The process begins with an asset that has generated substantial unrealized gains and a decision to shield that value from erosion.

This section provides a detailed guide to constructing a collar, moving from the theoretical to the practical application of this professional-grade strategy. Every choice in the construction of a collar has a direct impact on your potential outcomes, defining the balance between the level of protection you receive and the amount of upside you are willing to forgo.

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## Defining Your Defensive Perimeter

The first component of the collar to be established is your floor. This is the absolute minimum value you are willing to let your holding fall to. This decision is materialized through the purchase of a protective put option. The strike price of this put option becomes your guaranteed selling price for the duration of the contract, insulating you from any further decline.

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## Selecting the Protective Put

Your selection of the put strike price is a direct reflection of your risk tolerance. A common approach is to choose a strike price that is 5% to 10% below the current market price of your stock. A put with a strike price 5% below the current value offers a high level of protection, creating a “tight” collar. This choice minimizes your potential loss but will also be more expensive to purchase.

A put with a strike 10% below the current value provides a wider buffer for the stock to decline before the protection engages. This “loose” collar is less expensive, but it exposes you to a greater initial loss. The [expiration date](https://prime.greeks.live/area/expiration-date/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite) of the put should align with the period for which you seek protection, typically ranging from three to six months to cover a specific event like an earnings announcement or a period of expected market instability.

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## Financing the Fortification

With your downside protection established, the next step is to finance its cost. This is achieved by selling a call option against your same stock holding. The premium you collect from this sale reduces the net cost of the entire collar structure. This is the trade-off at the heart of the strategy; in exchange for downside security, you agree to cap your upside potential.

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## Selling the Capped Call

The strike price of the call option you sell determines your profit ceiling. A typical methodology is to select a call strike that is 5% to 15% above the current stock price. The premium you receive will be higher for strike prices closer to the current stock price. The goal for many professionals is to create a zero-cost collar, where the income from the sold call entirely covers the expense of the purchased put.

This requires finding a balance between the put and call strikes. For instance, you might find that selling a call with a strike 10% above the market price generates a premium that exactly matches the cost of a put with a strike 10% below the market price. This alignment creates a cost-neutral position that brackets your stock within a defined trading range.

> A zero-cost collar is achieved by selling a call for enough premium to fully offset the cost of the put, creating downside protection at no extra cost.

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## A Practical Construction Guide

Building a collar is a systematic process that integrates your market view with the mechanics of options trading. It is a multi-leg transaction that should be executed with precision to ensure the desired structure is achieved at the intended cost. The following steps outline the procedure for implementing a collar on a stock position with significant unrealized gains.

- 
Identify The Core Asset. The process starts with a stock holding of at least 100 shares that has appreciated significantly in value. Your objective is to protect these specific gains.

- 
Determine Your Maximum Acceptable Loss. You must decide on the lowest price point you are willing to tolerate. This will dictate the strike price of the protective put you will purchase. This is your defensive line.

- 
Define Your Upside Participation Limit. Next, you determine the price at which you are content to sell your shares and realize your gains. This price point will be the strike price of the call option you sell, creating the ceiling for your position.

- 
Analyze The Options Chain. With your floor and ceiling defined, you will examine the available options for your chosen stock. You will look for a put option at your desired protective strike price and a call option at your upside limit, both with the same expiration date. Pay close attention to the premiums for each.

- 
Calibrate For A Zero-Cost Structure. You can adjust your strike prices to align the premiums. If the put is more expensive than the call premium you receive, you might choose a slightly lower put strike or a slightly lower call strike to balance the costs. The goal is to have the credit from the sold call negate the debit from the purchased put.

- 
Execute As A Single Transaction. A collar should be entered as a multi-leg options trade. This ensures that both the put purchase and the call sale are executed simultaneously. This method secures the entire structure at once, locking in the defined risk and reward parameters without the risk of the market moving between the individual transactions.

This structured approach transforms a general desire to protect profits into a concrete, actionable strategy. By methodically selecting each component, you build a [risk management](https://prime.greeks.live/area/risk-management/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite) framework that is customized to your personal financial situation and your outlook on the market. The result is a position that is no longer subject to the full spectrum of market volatility, but instead operates within a range of outcomes that you have personally defined and engineered. This level of control is a fundamental component of professional-grade investing.

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## Advanced Applications for Enduring Wealth

Mastery of the collar structure opens a gateway to more sophisticated applications that are central to high-level portfolio management. Moving beyond the protection of a single stock, these advanced techniques use the collar’s principles to manage concentrated wealth, adapt to changing market conditions, and shield entire portfolios from systemic risk. This is where the collar evolves from a simple defensive tactic into a dynamic tool for long-term strategic wealth preservation and optimization. These applications require a deeper understanding of market dynamics and a proactive approach to portfolio oversight.

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## Managing Concentrated Positions

A primary institutional use of collars is to manage the risk associated with large, concentrated stock positions. Corporate executives, venture capitalists, and early employees often hold a significant portion of their net worth in a single company’s stock. Selling a large block of shares to diversify can trigger substantial tax liabilities and may be restricted by lock-up periods. The collar offers a powerful solution.

By implementing a zero-cost collar, these individuals can protect the value of their holdings from a sharp decline without actually selling the shares. This preserves the holding for long-term capital gains treatment while effectively neutralizing short-term downside risk. It is a strategic financial planning tool used to secure generational wealth tied up in a single successful enterprise.

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## Dynamic Collar Adjustments

A collar is not a static, set-and-forget structure. Advanced practitioners actively manage their collars, adjusting them in response to movements in the underlying stock’s price. This practice is known as “rolling” the collar. For example, if the stock price appreciates significantly and begins to approach the short call strike, the investor might “roll up” the collar.

This involves closing the existing collar and opening a new one with higher strike prices for both the put and the call. This action locks in some of the recent gains and resets the protective channel at a higher level. Conversely, if the expiration date is approaching and the protection is still needed, the collar can be “rolled out” to a later expiration date, extending the period of protection. This dynamic management transforms the collar from a temporary hedge into an ongoing risk management system.

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## Portfolio Level Hedging

The principles of the collar can be applied on a much broader scale than a single stock. Sophisticated investors often use collars on broad-market exchange-traded funds (ETFs), such as one tracking the S&P 500, to hedge the overall market risk of their entire equity portfolio. If an investor holds a diverse portfolio of stocks but anticipates a market-wide correction, they can purchase a collar on an index ETF that correlates with their holdings. This provides a degree of portfolio insurance, limiting losses from a systemic downturn.

The cost of this large-scale protection is again financed by selling a call option on the same index, capping the portfolio’s potential gains for the duration of the hedge. It is a macroeconomic strategy used to navigate periods of high uncertainty without liquidating a carefully constructed long-term investment portfolio.

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## Volatility and Collar Pricing

An advanced understanding of collars involves an appreciation for the role of [implied volatility](https://prime.greeks.live/area/implied-volatility/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite). Implied volatility is a measure of the market’s expectation of future price swings, and it is a key determinant of an option’s premium. Higher implied volatility leads to more expensive options, for both puts and calls. Professionals monitor the “[volatility skew](https://prime.greeks.live/area/volatility-skew/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite),” which is the difference in implied volatility between out-of-the-money puts and out-of-the-money calls.

Often, puts are more expensive due to higher demand for downside protection. A skilled trader can use periods of high implied volatility to their advantage, as the elevated premiums can make it easier to construct a zero-cost collar with a wide, favorable range between the put and call strikes. They are able to harness market fear, as reflected in volatility, to build more efficient protective structures.

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## The View from the Command Deck

You now possess the framework for one of the most effective capital preservation systems available. The collar is more than a trade; it represents a fundamental shift in perspective. It is the move from hoping for the best to engineering a desired outcome. By understanding and applying this structure, you elevate your market operations from passive participation to active, strategic command.

The knowledge you have gained is the foundation for a more disciplined, resilient, and professional approach to managing your financial success. Your portfolio is no longer just a collection of assets; it is a system you control.

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## Glossary

<a href="https://prime.greeks.live/area/protective-put/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite" class="glossary-item-box">
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## Protective Put

Meaning ▴ A Protective Put is a risk management strategy involving the simultaneous ownership of an underlying asset and the purchase of a put option on that same asset. </a><a href="https://prime.greeks.live/area/call-option/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite" class="glossary-item-box">
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## Call Option

Meaning ▴ A Call Option represents a standardized derivative contract granting the holder the right, but critically, not the obligation, to purchase a specified quantity of an underlying digital asset at a predetermined strike price on or before a designated expiration date. </a><a href="https://prime.greeks.live/area/capital-preservation/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite" class="glossary-item-box">
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## Capital Preservation

Meaning ▴ Capital Preservation defines the primary objective of an investment strategy focused on safeguarding the initial principal amount against financial loss or erosion, ensuring the nominal value of the invested capital remains intact or minimally impacted over a defined period. </a><a href="https://prime.greeks.live/area/unrealized-gains/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite" class="glossary-item-box">
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## Unrealized Gains

Meaning ▴ Unrealized Gains represent the positive variance between an asset's current market valuation and its acquisition cost, or a previous mark-to-market valuation, prior to the execution of a closing transaction. </a><a href="https://prime.greeks.live/area/downside-protection/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite" class="glossary-item-box">
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## Downside Protection

Meaning ▴ Downside protection refers to a systematic mechanism or strategic framework engineered to limit potential financial losses on an asset, portfolio, or specific trading position. </a><a href="https://prime.greeks.live/area/strike-price/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite" class="glossary-item-box">
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## Strike Price

Meaning ▴ The strike price represents the predetermined value at which an option contract's underlying asset can be bought or sold upon exercise. </a><a href="https://prime.greeks.live/area/put-option/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite" class="glossary-item-box">
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## Put Option

Meaning ▴ A Put Option constitutes a derivative contract that confers upon the holder the right, but critically, not the obligation, to sell a specified underlying asset at a predetermined strike price on or before a designated expiration date. </a><a href="https://prime.greeks.live/area/zero-cost-collar/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite" class="glossary-item-box">
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## Zero-Cost Collar

Meaning ▴ The Zero-Cost Collar is a defined-risk options strategy involving the simultaneous holding of a long position in an underlying asset, the sale of an out-of-the-money call option, and the purchase of an out-of-the-money put option, all with the same expiration date. </a><a href="https://prime.greeks.live/question/how-does-volatility-skew-alter-the-optimal-strike-prices-in-a-collar/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite" class="glossary-item-box">
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## Strike Prices

Volatility skew forces a direct trade-off in a collar, compelling a narrower upside cap to finance the market's higher price for downside protection. </a><a href="https://prime.greeks.live/area/expiration-date/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite" class="glossary-item-box">
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## Expiration Date

Meaning ▴ The Expiration Date signifies the precise timestamp at which a derivative contract's validity ceases, triggering its final settlement or physical delivery obligations. </a><a href="https://prime.greeks.live/area/risk-management/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite" class="glossary-item-box">
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## Risk Management

Meaning ▴ Risk Management is the systematic process of identifying, assessing, and mitigating potential financial exposures and operational vulnerabilities within an institutional trading framework. </a><a href="https://prime.greeks.live/area/implied-volatility/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite" class="glossary-item-box">
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## Implied Volatility

Meaning ▴ Implied Volatility quantifies the market's forward expectation of an asset's future price volatility, derived from current options prices. </a><a href="https://prime.greeks.live/area/volatility-skew/?utm_source=options.greeks.live&utm_medium=referral&utm_campaign=satellite" class="glossary-item-box">
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## Volatility Skew

Meaning ▴ Volatility skew represents the phenomenon where implied volatility for options with the same expiration date varies across different strike prices. </a>

**Tags:** [Derivatives Strategy](https://options.greeks.live/area/derivatives-strategy/), [Risk Management](https://options.greeks.live/area/risk-management/), [Covered Call](https://options.greeks.live/area/covered-call/), [Portfolio Hedging](https://options.greeks.live/area/portfolio-hedging/), [Volatility Skew](https://options.greeks.live/area/volatility-skew/), [Expiration Date](https://options.greeks.live/area/expiration-date/)	

## Discover More

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### [A Trader’s Guide to Building Zero-Cost Portfolio Insurance with Collars](https://options.greeks.live/guide/a-traders-guide-to-building-zero-cost-portfolio-insurance-with-collars/)
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Secure your portfolio at zero cost: A definitive guide to institutional-grade options collars for strategic risk control.

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### [Mastering the Zero-Cost Collar for Superior Risk Management](https://options.greeks.live/guide/mastering-the-zero-cost-collar-for-superior-risk-management/)
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Define your asset's value boundaries and command superior risk management with the zero-cost collar.

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### [How to Construct a Zero-Cost Firewall around Your Stock Portfolio](https://options.greeks.live/guide/how-to-construct-a-zero-cost-firewall-around-your-stock-portfolio/)
![A transparent central hub with precise, crossing blades symbolizes institutional RFQ protocol execution. This abstract mechanism depicts price discovery and algorithmic execution for digital asset derivatives, showcasing liquidity aggregation, market microstructure efficiency, and best execution.](https://options.greeks.live/wp-content/uploads/2025/07/institutional-digital-asset-derivatives-rfq-execution-platform-microstructure.jpg)

Engineer a zero-cost defensive perimeter around your stock portfolio using institutional-grade options strategies.

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### [The Executive’s Guide to Protecting Stock Gains with Options](https://options.greeks.live/guide/the-executives-guide-to-protecting-stock-gains-with-options/)
![Abstract geometric forms in dark blue, beige, and teal converge around a metallic gear, symbolizing a Prime RFQ for institutional digital asset derivatives. A sleek bar extends, representing high-fidelity execution and precise delta hedging within a multi-leg spread framework, optimizing capital efficiency via RFQ protocols.](https://options.greeks.live/wp-content/uploads/2025/07/prime-os-digital-asset-derivatives-rfq-execution-engine-architecture.jpg)

A guide to constructing financial firewalls around your stock gains using professional-grade options strategies.

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### [Why Professional Investors Use Collars to Manage Volatility](https://options.greeks.live/guide/why-professional-investors-use-collars-to-manage-volatility/)
![Sleek Prime RFQ interface for institutional digital asset derivatives. An elongated panel displays dynamic numeric readouts, symbolizing multi-leg spread execution and real-time market microstructure. A transparent sphere signifies RFQ protocol private quotation and implied volatility, emphasizing atomic settlement and low latency.](https://options.greeks.live/wp-content/uploads/2025/07/institutional-digital-asset-derivatives-prime-os-rfq-options.jpg)

Professionals use options collars to transform open-ended market risk into a defined, manageable, and low-cost operational range.

- 
### [The Collar Strategy a Zero-Cost Hedge for Your Winning Stocks](https://options.greeks.live/guide/the-collar-strategy-a-zero-cost-hedge-for-your-winning-stocks/)
![A precision-engineered metallic component with a central circular mechanism, secured by fasteners, embodies a Prime RFQ engine. It drives institutional liquidity and high-fidelity execution for digital asset derivatives, facilitating atomic settlement of block trades and private quotation within market microstructure.](https://options.greeks.live/wp-content/uploads/2025/07/precision-engineered-institutional-digital-asset-derivatives-platform-rfq-engine-for-high-fidelity-execution-and-atomic-settlement-of-block-trades.jpg)

The Collar Strategy: A zero-cost options structure engineered to place a protective firewall around your winning stock positions.

- 
### [The Definitive Guide to Building a Financial Firewall with Options](https://options.greeks.live/guide/the-definitive-guide-to-building-a-financial-firewall-with-options/)
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Build a firewall around your assets with professional-grade options strategies designed for capital preservation and control.

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### [A Trader’s Framework for Hedging Portfolio Risk with Collars](https://options.greeks.live/guide/a-traders-framework-for-hedging-portfolio-risk-with-collars/)
![A central, symmetrical, multi-faceted mechanism with four radiating arms, crafted from polished metallic and translucent blue-green components, represents an institutional-grade RFQ protocol engine. Its intricate design signifies multi-leg spread algorithmic execution for liquidity aggregation, ensuring atomic settlement within crypto derivatives OS market microstructure for prime brokerage clients.](https://options.greeks.live/wp-content/uploads/2025/07/precision-rfq-engine-for-crypto-derivatives-liquidity-aggregation.jpg)

Define your risk parameters and immunize your portfolio against market shocks with the strategic precision of collars.

- 
### [The Professional’s Guide to Hedging with Collars](https://options.greeks.live/guide/the-professionals-guide-to-hedging-with-collars/)
![A pristine teal sphere, representing a high-fidelity digital asset, emerges from concentric layers of a sophisticated principal's operational framework. These layers symbolize market microstructure, aggregated liquidity pools, and RFQ protocol mechanisms ensuring best execution and optimal price discovery within an institutional-grade crypto derivatives OS.](https://options.greeks.live/wp-content/uploads/2025/07/institutional-digital-asset-derivatives-rfq-execution-engine-core-2.jpg)

The Professional's Guide To Hedging With Collars: Engineer your risk, define your outcomes, and command your market edge.

---

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---

**Original URL:** https://options.greeks.live/guide/how-professionals-use-collars-to-protect-unrealized-gains/
