> For the complete documentation index, see [llms.txt](https://docs.skylit.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.skylit.ai/core-concepts.md). # Core Concepts ## โš™๏ธ Core Concepts ### ๐Ÿงฉ Nodes **Heatseekerโ„ข** is built to reveal **dealer exposure** at each strike price and expiration.\ Each strike displays a **value** (positive or negative), and each value is represented by a **color**: | Exposure Type | Color Range | Typical Behavior | | --------------------- | -------------- | ----------------------------------- | | **Positive Exposure** | Green โ†’ Yellow | Lower-volatility interaction | | **Negative Exposure** | Blue โ†’ Purple | Higher-volatility, โ€œwickyโ€ movement | *** #### ๐Ÿ”‘ Key Principle The most important factor is **not** whether a node is positive or negative โ€” nor its color.\ What truly matters is the **absolute value** of the node. > ๐Ÿ’ฅ The **larger** the absolute value, the **stronger** the pull it exerts on price. *** #### โšก How Price Interacts with Each Node * **Positive Node โ†’** Lower-volatility interaction; price tends to move **smoothly**, with fewer wicks or spikes. * **Negative Node โ†’** Higher-volatility interaction; price becomes **wicky** and more **violent**.\ When price interacts with a **negative gamma node**, it can **overshoot** before reversing โ€” this is how market makers often **trap retail traders** on the wrong side of the move. *** ### ๐Ÿงฒ Concept of Magnets Every node on the Heatseeker map acts like a **magnet** in the market.\ Price is **attracted** to these zones due to dealer positioning โ€” yet these same areas can also act as **walls** that repel price and create reversals. #### ๐Ÿง  Magnetic Behavior * As price **moves farther away** from a high-value node โ†’ the **magnetic pull weakens**. * As price **approaches** a high-value node โ†’ the **magnetic pull strengthens**. * When price **directly interacts** with a node, a **deflection or repulsion** may occur โ€” similar to when two positive ends of a magnet meet and push apart.
> ๐Ÿ’ก Think of nodes as **dynamic magnets** โ€” their influence grows as price converges and fades as it diverges. *** ### ๐Ÿ‘‘ King Nodes **King Nodes** are the **highest absolute value nodes** on the heatmap.\ They represent where **Market Makers (MMs)** hold the **greatest exposure** โ€” and where price often **gravitates near expiration**.
#### ๐Ÿงญ Key Characteristics * There can be **multiple significant nodes** with large values. * When multiple strong nodes exist, they can **pull in opposite directions**, creating **range-bound pinning** or **whipsaw movement**. #### ๐Ÿ“ˆ Price Behavior Around King Nodes 1. **Pin Jobs (Common near End of Day)**\ MMs often pin price near the King Node late in the session. * Tight ranges form. * **Scalping the range edges** tends to work best.
2. **Drives Away (Common early in the day)**\ When price reaches the King Node **too early**, MMs may push it away.\ Holding price there all session would require constant defense, so they often trigger an early **drive-off**.
#### โš ๏ธ Margin of Interaction King Nodes donโ€™t always reject **to the exact cent**.\ Expect a **deflection margin** of roughly **5โ€“10 points on SPX**. > Note: A rejection occurring 5ยฝ points away from the King Node is still considered valid, as noted in the example above. *** ### ๐Ÿšช Gatekeeper Nodes **Gatekeeper Nodes** act like **bouncers at the door of a nightclub** โ€” they prevent price from easily reaching the King Node. These nodes function as **deflection points** that can cause major directional shifts.
#### ๐Ÿ” Behavior * If price **tests and fails** at a Gatekeeper Node โ†’ the map can **reshuffle**. * **Reshuffles** often precede a **trend change** or **realignment** of where dealers aim to pin price. * Gatekeeper rejections near the **start of the day** often mark **high-probability reversals**. > โšก After rejection, reshuffles occur โ€” and clarity emerges on the next directional bias. *** ### โš–๏ธ Midpoints **Midpoints** are Market Makersโ€™ favorite **trap zones** โ€” and they offer the **worst risk-to-reward** for directional traders. * Unless youโ€™re an **option or spread seller**, avoid trading them.
#### ๐Ÿ“Š Why Midpoints Are Dangerous * Market Dealers love **range-bound** conditions. * The **upper and lower ranges** are easily visible on the heatmap. * When price is **in the middle of the range**, direction becomes **uncertain**. At best, your **risk-to-reward** is roughly **1:1** โ€” not asymmetric and not worth taking. > โœ… **B*****etter Strategy: Wait for price to approach the edge of the range and fade the edge.***\ > ***Fading extremes offers the best R:R and highest probability.***
*** ### ๐Ÿ” Price Delivery & Node Retests When looking for **bounce plays** off a node, **context matters** โ€” not all nodes retain influence forever. #### ๐Ÿงฎ Node Retest Strength | Touch | Reaction Strength | Probability | Notes | | ------------------ | ----------------- | ----------- | ---------------------------------------- | | **First Touch** | Strongest | Highest | Fresh liquidity; MMs defend aggressively | | **Second Touch** | Moderate | \~66% | Often forms double tops/bottoms | | **Third+ Touches** | Weakest | \~33% | Reduced probability of reversal | If price has already been **delivered from** a node (touched and moved away), its **influence weakens**.\ Each additional test reduces the likelihood of a strong bounce.
* *Caption: ACN 240 node test, targeting upside nodes, from September 10th, 2025.* > ๐Ÿ’ก **Key Takeaway:**\ > Prioritize **untouched nodes** for bounce plays โ€” treat previously tested ones with caution. *** ### :e-mail: Price Delivery From a Node When price bounces off a Gatekeeper node or King node, we don't always get reversion back to that specific node! * A node that has been interacted with tends to have less influence over price action, because the node is no longer "fresh". * The probability of reversion back to that node becomes lesser, making conditions unfavorable for a green trade.
***Key note: Instead of trying to chase a node that has already been interacted with, it is better to move on to the next trade. Looking for the freshest levels possible provides the highest probability for success.*** ### Price Delivery and Actionable Trades * If price gets a rejection (in a bearish scenario) or a bounce (in a bullish scenario) off a node, a few things may occur: * Gradual decrease of the node we were delivered from - in this case, the likelihood of a return back to the node in question becomes low probability. *PEP Price Delivery Case Study From October 15th, 2025 at 09:30am EST*
* Increase of the node we were delivered from - higher likelihood of a reversion back to the node in question. *By keeping an eye on key nodes for rate of change, we can make inferences as to whether a reversion back to a deflection node is likely. Looking for increase in size of node gives us higher likelihood for price to return, whereas a decrease in node size gives us lower likelihood for reversion.* *** ### โšก Robinhood Power Hour Liquidation At **3:30 PM EST** (30 minutes before market close), Robinhood begins **auto-liquidating** accounts that fail margin requirements.\ This creates **forced order flow** in highly liquid names like **SPX, SPY, and QQQ**.
#### ๐Ÿ’ฅ Why It Matters * Triggers **volatility spikes** right before close. * Can **force breakouts or fakeouts** near Gatekeeper Nodes. * Near a **King Node**, can **accelerate** the move. * Sometimes reshuffles the entire map. > โš ๏ธ Always stay alert to **Power Hour volatility** โ€” itโ€™s often broker-driven and mechanical, not organic. *** ### ๐Ÿ“ˆ Rate of Change of a Node Heatseekerโ„ข not only shows **dealer positioning**, but also **how fast liquidity changes**. #### ๐Ÿ”„ Reading Node Momentum * **Rapid Accumulation โ†’** Dealers are quickly adding exposure; acts like a **magnet** that pulls price in strongly. * **Rapid Unwinding โ†’** Exposure vanishes; levels that looked strong may suddenly **weaken**. * Fast changes often cause **volatility spikes**, **explosive moves**, or **sharp reversals**.

SPY 660 bounce from October 13th, 2025. QQQ had a strong floor that wasnt supporting lower, SPX was showing upside accumulation. Due to the fact that QQQ did not support lower and SPX began growing to the upside, we had 2/3 confluence for longs. The rapid unwinding of SPY downside nodes led to a a sharp, V-shaped recovery, emphasizing the important of watching nodes for rate of change.

> ๐Ÿง  Watch the **rate of change** โ€” it reveals urgency and intent behind Market Maker adjustments. *** ### Rolling of Ceilings / Floors Another key concept in relation to node rate of change is the behavior in how rate of change occurs: * ***Rolling of ceilings*** - Considered strong presumptive evidence of a bearish thesis playing out. * Occurs when we see the upside ceiling and/or upside price targets decrease in value with the ceiling moving to a lower strike. * ***Rolling of floors*** - Considered strong presumptive evidence of a bullish thesis playing out. * Occurs when we see the downside floor and/or downside price targets decrease in value with the floor moving to a higher strike.
### ๐Ÿ›ก๏ธ Hedge Nodes **Hedge Nodes** appear during **major news or macro events** โ€” such as FOMC, CPI, JOLTS, NFP, or earnings.\ They represent **large, protective positions** that sit **farther from price** and move **slowly** throughout the day.
#### Characteristics * Typically **static or slow-unwinding**. * Can appear **above and below price** simultaneously, typically far away from current spot price. * Function like **insurance** rather than active magnets. The **closer** a Hedge Node is to current price, the **more it shapes intraday behavior**.\ The **farther** it is, the **less influence** it exerts. > ๐Ÿ’ก Watch for **gradual unwinds** of large hedge nodes โ€” they often signal changing Market Maker expectations. *** ### ๐Ÿ’จ Air Pockets Air Pockets occur when maps show a zone of low volume and/or small sized nodes that price can move easily through due to the lack of resistance/activity within that zone.
* The quality of the nodes (negative gamma vs positive gamma) can affect how sharp a move price can have. * If price action is moving through a negative gamma air pocket region, the moves can be much more violent / sharp. * If price action is moving through a positive gamma air pocket region, the moves can be much more mild / slow.
Context matters - technical analysis and confluence among the other heatmaps (in trinity mode) can affect the ability for price to move through an air pocket. * ***Just because we have an air pocket does not ALWAYS mean we will fly through it, rather its something to keep in mind when analyzing trinity mode. Confluence matters.*** ### ๐Ÿงจ OPEX Nodes Every **third Friday** of the month marks **OPEX Week** โ€” the monthly options expiration cycle. #### What Happens During OPEX * Nodes may carry **less weight**, since many contracts are set to **expire**. * Positions roll off or reset, leading to **temporary distortions** in dealer positioning. * After OPEX week passes, **directional bias** and **map clarity** typically **improve immediately**. > โš ๏ธ Treat OPEX week levels with caution โ€” probabilities are temporarily skewed. *** โœ… **In Summary:** * Focus on **absolute value** โ€” not color or sign. * Favor **untouched nodes** over retested ones. * Watch **rate of change** for clues on momentum. * Avoid **midpoints**, **respect gatekeepers**, and **track king nodes** daily. * Be mindful of **external catalysts** like **Power Hour**, **OPEX**, and **Hedge Nodes**. --- # Agent Instructions This documentation is published with GitBook. GitBook is the documentation platform designed so that both humans and AI agents can read, navigate, and reason over technical content effectively. Learn more at gitbook.com. ## Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.skylit.ai/core-concepts.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.