Derivatives & Market Structure

11 min readUpdated Apr 12, 2026

Gamma Squeeze

Q: How exactly does dealer delta-hedging create a gamma squeeze?

When a retail trader buys a call option, a market maker (dealer) sells it to them and immediately hedges by purchasing shares of the underlying stock equal to the option's delta. For example, if a trader buys 100 call contracts (10,000 shares notional) at a delta of 0.30, the dealer buys 3,000 shares. As the stock price rises, the delta of those call options increases — say from 0.30 to 0.60. Now the dealer needs 6,000 shares to hedge, so they must buy 3,000 more. This additional buying pushes the stock price higher, which increases delta further — perhaps to 0.80 — requiring 8,000 total shares and another 2,000 shares purchased. Each incremental move higher forces more buying, and the buying itself drives the price higher. The key variable is gamma (the rate of change of delta): at-the-money options have the highest gamma, meaning their delta changes fastest per dollar of stock movement. When massive open interest sits near the current stock price, even a small move can trigger enormous hedging flows. On January 27, 2021, GameStop's options market had an estimated $2-3 billion in notional delta-hedging demand compressed into a narrow strike range, creating the most violent gamma squeeze in market history.

Q: What is GEX and how do traders use it to predict market moves?

Gamma Exposure (GEX) is an estimate of the total gamma that options market makers (dealers) hold across all strike prices for a given underlying asset. It is calculated by aggregating the gamma of all outstanding options contracts, weighted by open interest and assuming dealers are short calls and long puts (since they sell to retail buyers). Positive GEX means dealers are net long gamma — when the stock rises, dealers sell shares (hedge reduces), and when it falls, dealers buy shares. This creates a "pinning" effect that suppresses volatility. Negative GEX means dealers are net short gamma — when the stock rises, dealers must buy more shares, and when it falls, they must sell. This amplifies moves in both directions. Key levels: the "GEX flip" point is the price at which dealer gamma switches from positive to negative. Below this level, expect amplified volatility; above it, expect dampened moves. Services like SpotGamma, Quant Data, and GammaLab publish estimated GEX levels for SPX, SPY, QQQ, and individual stocks. In practice, the S&P 500's zero-gamma level has been a reliable support/resistance zone — when SPX trades below the zero-gamma level, realized volatility increases by 30-50% compared to periods above it.

Q: How did the GameStop gamma squeeze work step by step?

The GameStop (GME) gamma squeeze of January 2021 was the convergence of three forces: (1) Extreme short interest: over 140% of the float was sold short (through re-borrowing chains), creating massive short-squeeze potential. (2) Coordinated call buying: WallStreetBets users on Reddit identified the setup and bought massive quantities of out-of-the-money call options at strikes of $20, $30, $40, $50+ when the stock was trading around $20. The calls were cheap because they were far out-of-the-money. (3) Dealer hedging cascade: as GME began rising, market makers who sold those calls had to buy shares to hedge. Timeline: Jan 13 — GME at $20, rising on Ryan Cohen board news. Jan 22 — GME hits $65, short sellers facing losses, call options moving in-the-money. Dealers buying millions of shares to hedge. Jan 25-27 — exponential surge from $76 to $347. Each new strike breached triggers a wall of delta-hedging. Options at $50, $60, $100, $150, $200 all go in-the-money sequentially. Estimated dealer hedging demand exceeds 50 million shares when the float was only 70 million shares. Jan 28 — Robinhood and other brokers restrict buying. DTCC raised collateral requirements from ~$1.4B to $3.7B overnight. GME peaks at $483 intraday. Without new buying, the gamma squeeze unwinds — dealers sell shares as delta declines, and the stock crashes 77% in 5 days. The key lesson: a gamma squeeze requires continuous inflow of new call buying to sustain itself. Once buying stops, the same mechanics work in reverse.

Q: How have 0DTE options changed gamma squeeze dynamics?

Zero days to expiry (0DTE) options — options that expire the same day they are traded — have fundamentally transformed intraday market microstructure since their introduction for SPX in 2022. By early 2024, 0DTE options accounted for over 40% of total SPX options volume, representing $500 billion+ in daily notional exposure. Because 0DTE options have maximum gamma (their delta swings from 0 to 1 within hours, not weeks), the hedging flows they generate are compressed into a single trading session. A typical intraday gamma squeeze sequence: (1) A news catalyst (CPI release, Fed statement, earnings) triggers directional flow. (2) Traders pile into 0DTE calls (or puts). (3) Dealers hedge aggressively, amplifying the initial move. (4) The move triggers more 0DTE buying at the next strike → more hedging → further amplification. (5) As options approach expiration (3:00-4:00 PM ET), gamma collapses to zero and dealers unwind hedges, often causing a sharp reversal. J.P. Morgan estimated that 0DTE hedging flows now account for 25-30% of intraday S&P 500 volume during active sessions. The "3:30 PM reversal" pattern — where the market moves sharply in one direction all day then reverses in the final 30 minutes — has become more frequent, driven by 0DTE gamma unwind. For day traders, understanding the 0DTE gamma landscape is now essential for navigating intraday moves.

Q: Can gamma squeezes happen to the downside and how do you protect against them?

Yes — a "reverse gamma squeeze" or "gamma crash" occurs when dealers are short puts and must sell shares as prices decline. The mechanics are identical in reverse: (1) The stock drops, increasing the delta of short put positions. (2) Dealers who sold puts must short more shares to hedge. (3) This selling pushes prices lower, increasing put deltas further, requiring more selling. The most notable downside gamma events include: the February 2018 "Volmageddon" where short-volatility products (XIV) collapsed and dealer hedging amplified the S&P 500's 10% decline in two days. The March 2020 COVID crash, where unprecedented put buying forced dealers to sell an estimated $50-100 billion in equities over two weeks. The September 2020 "SoftBank whale" event, where SoftBank purchased ~$4 billion in call options on tech stocks; when those positions were unwound, the reverse gamma effect contributed to a 10% Nasdaq correction. Protection strategies: (1) Monitor GEX levels — when the market is below the zero-gamma level, volatility will be amplified in both directions. (2) Reduce position sizes during options expiration weeks (monthly "OpEx" on the third Friday), when gamma effects are most pronounced. (3) Use put spreads rather than naked puts for downside protection, as the spread limits your dealer's hedging footprint. (4) Watch for "gamma walls" — strike prices with massive open interest that act as magnets or barriers.

ByConvex Research Desk·Edited byBen Bleierⓘ·Updated Apr 12, 2026

gamma squeezingdealer gammagamma exposureGEXoptions-driven squeezedelta-hedge feedbackdealer hedging spiralgamma trap

A rapid, self-reinforcing price surge driven by options market makers who must buy increasing quantities of the underlying asset to delta-hedge as call options move into the money.

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Analysis from May 14, 2026

What Is a Gamma Squeeze?

A gamma squeeze is a self-reinforcing feedback loop in which options market makers are forced to buy increasing quantities of the underlying stock to delta-hedge their short call positions, and that very buying pushes the stock higher, requiring even more buying. It is one of the most powerful mechanical price-amplification mechanisms in modern markets, capable of generating moves of 100-1,000%+ in days when conditions align.

Unlike fundamental-driven rallies (earnings beats, analyst upgrades) or even short squeezes (which are driven by borrowed share returns), a gamma squeeze is purely a function of options market plumbing. It exploits the mathematical relationship between an option's price, its sensitivity to the underlying (delta), and the rate at which that sensitivity changes (gamma). Understanding this mechanism is essential for any trader operating in the modern options-dominated market, where derivatives notional regularly exceeds the market capitalization of the underlying stocks.

The Greeks Behind the Squeeze

Delta, Gamma, and the Hedging Imperative

Greek	Definition	Role in Gamma Squeeze
Delta (Δ)	Change in option price per $1 move in underlying	Determines how many shares dealers must hold to hedge
Gamma (Γ)	Change in delta per $1 move in underlying	Determines how fast hedging requirements accelerate
Vega (ν)	Sensitivity to implied volatility	Rising IV during a squeeze increases option prices, attracting more speculative buying
Theta (θ)	Time decay per day	Short-dated options have highest gamma but decay fastest, the squeeze must happen fast
Charm	Change in delta per day (delta decay)	As expiration approaches, OTM options lose delta (reducing hedging demand) while ITM options gain delta (increasing it)

The key relationship: gamma is highest for at-the-money (ATM) options with short time to expiration. A $100 call on a stock trading at $100 with 2 days to expiry has far more gamma than the same call with 60 days to expiry. This means the hedging feedback loop is most intense when:

There is massive open interest at strike prices near the current stock price
Those options are short-dated (weekly or 0DTE)
The stock begins moving through those strikes

The Hedging Cascade: Step by Step

Consider a simplified example:

Setup: Stock XYZ trades at $50. Retail traders buy 50,000 call contracts at the $55 strike (representing 5 million shares). Delta = 0.20.
Initial hedge: Dealers sell those calls and buy 1 million shares (5M × 0.20) to hedge.
Price rises to $53: Delta increases to 0.40. Dealers now need 2 million shares. They buy 1 million more shares.
Price rises to $55 (ATM): Delta = 0.50, gamma is at maximum. Dealers need 2.5 million shares. But their buying pushes the price to $57.
Price at $57: Delta = 0.65. Dealers need 3.25 million shares, buying 750,000 more. Price pushed to $60.
Price at $60 (deep ITM): Delta = 0.80. Dealers need 4 million shares. But there's also open interest at $60, $65, and $70 strikes that are now moving ITM, compounding the effect.

The total dealer buying in this example: 4 million shares purchased mechanically, without any fundamental view on the stock. In a real gamma squeeze (like GameStop), this effect is multiplied across thousands of strike prices and millions of contracts.

Gamma Exposure (GEX): The Market's Hidden Architecture

How GEX Is Calculated

Gamma Exposure aggregates the total gamma across all options contracts for a given underlying:

GEX = Σ (Open Interest × Contract Multiplier × Gamma × Spot Price × 100)

The calculation assumes dealers are short calls (sold to retail buyers) and long puts (also sold by retail as income strategies). This is a simplification, some options are traded between institutions, but it captures the dominant flow direction.

Interpreting GEX Levels

GEX Regime	Dealer Position	Market Behavior	Volatility
High Positive GEX	Long gamma (sold puts dominate)	Dealers buy dips, sell rallies → price "pinned"	Low, compressed
Low Positive GEX	Slightly long gamma	Moderate dampening	Normal
Zero GEX (Gamma Flip)	Neutral	Transition zone, unstable	Transitioning
Negative GEX	Short gamma (sold calls dominate)	Dealers buy rallies, sell dips → amplified moves	High, explosive
Deep Negative GEX	Heavily short gamma	Maximum amplification, gamma squeeze territory	Extreme

The Zero-Gamma Level

The price at which aggregate GEX flips from positive to negative is one of the most important levels in modern market structure:

Above zero-gamma: The S&P 500 typically grinds higher in a low-volatility, "melt-up" fashion. Realized volatility averages 10-12%.
Below zero-gamma: Volatility expands sharply. Realized vol jumps to 18-25%+. Moves become larger and more unpredictable.
At zero-gamma: Acts as a magnet during expiration weeks (price tends to "pin" near this level).

The September 2021 pullback in the S&P 500 (from 4,537 to 4,293, a 5.4% decline) accelerated exactly when the index broke below the zero-gamma level. Similarly, the January 2022 selloff gained momentum below zero-gamma and only stabilized when GEX turned positive again in March.

Historical Gamma Squeeze Episodes

GameStop (GME), January 2021

The most iconic gamma squeeze in history, amplified by a simultaneous short squeeze:

Date	GME Price	Key Event
Jan 4, 2021	$17.25	Ryan Cohen joins board; WallStreetBets interest grows
Jan 13	$31.40	First major call-buying wave; delta-hedging begins
Jan 22	$65.01	Short interest at 140% of float; options OI explodes
Jan 25	$76.79 → $159.18	Gamma cascade begins; dealers buying millions of shares
Jan 26	$147.98	Elon Musk tweets "Gamestonk!!"; after-hours surge to $200+
Jan 27	$347.51	Peak day. Estimated $2-3B in dealer hedging demand. S3 Partners reports short losses of $6B+
Jan 28	$483 intraday → $193.60 close	Robinhood restricts buying. DTCC collateral requirement jumps to $3.7B
Feb 4	$53.50	Without new call buying, gamma unwinds. Dealers sell hedges.

Key metrics at peak: ~50M shares of dealer delta-hedging demand vs. 70M share float. Short interest >140%. Options volume hit 2 million contracts/day (notional > GME's entire market cap). The SEC's October 2021 report confirmed that the primary driver was "positive sentiment" and call option purchasing, with short covering playing a secondary role.

SoftBank "Nasdaq Whale", August-September 2020

SoftBank purchased approximately $4 billion in call options on US tech stocks (AAPL, AMZN, MSFT, TSLA, GOOG) through its subsidiary. This massive call buying forced dealers to buy an estimated $30-50 billion in shares to delta-hedge. The Nasdaq rallied 12% in August 2020, with the top 5 tech stocks adding over $1 trillion in market cap. When the positions were revealed and partially unwound in September, the Nasdaq fell 10% in three days as reverse-gamma amplified the decline.

Volkswagen, October 2008

While primarily a short squeeze (Porsche revealed a 74% hidden stake, trapping short sellers), gamma effects amplified the move. VW surged from €200 to €1,005 in two trading sessions, briefly making it the world's most valuable company at €296 billion. Options market makers scrambled to hedge, but with virtually no float available (Porsche + Lower Saxony owned ~98%), hedging was impossible.

Tesla, 2020-2021

Tesla's unprecedented 740% rally in 2020 was significantly amplified by gamma effects. Retail traders bought massive quantities of weekly call options (the "Tesla call wall"), forcing continuous dealer hedging. Goldman Sachs estimated that options-related buying accounted for 15-20% of Tesla's daily volume during peak gamma periods.

The 0DTE Revolution

How Same-Day Options Changed Everything

Zero days to expiry options for SPX launched in 2022, and by 2024 accounted for over 40% of all SPX options volume, approximately $1 trillion in daily notional exposure on peak days. This has fundamentally changed intraday market dynamics:

Metric	Pre-0DTE (2021)	Post-0DTE (2024)
Avg daily SPX options volume	~2.5M contracts	~5.5M+ contracts
Intraday SPX range (avg)	35-45 points	50-70+ points
"Whipsaw" reversals per day	1-2	3-5
Gamma-driven volume as % of total	~10-15%	~25-30%

The Intraday Gamma Squeeze Playbook

0DTE options have the highest gamma of any options because they expire within hours. A typical intraday gamma event:

8:30 AM: Economic data release (CPI, NFP) triggers a directional move
8:30-9:30: Traders pile into 0DTE calls (or puts) on SPX/SPY
9:30-11:00: Dealer hedging amplifies the initial move. The S&P extends 0.5-1.0% beyond what the data alone would justify
11:00-2:00: Move stabilizes as gamma approaches peak (options ATM)
3:00-3:30: As options approach worthless expiration, gamma collapses. Dealers begin unwinding hedges
3:30-4:00: The "unwind reversal", the market moves sharply in the opposite direction as hedges are removed

J.P. Morgan's research desk found that 35% of the largest intraday reversals in 2023-2024 occurred in the final 30 minutes of trading, a significant increase from the pre-0DTE era.

Detecting Gamma Squeeze Setups

The Conditions Checklist

Condition	What to Look For	Data Source
High call/put ratio	>2:1 call-to-put volume ratio sustained for multiple days	CBOE options flow data
Concentrated OI near current price	Large open interest at 2-3 strikes within 5% of spot	Options chain (brokerage platform)
Short-dated dominance	>50% of call volume in weeklies or 0DTE	Options volume breakdown
Rising implied volatility	IV increasing even as the stock rises (unusual, normally IV falls as stocks rise)	Options analytics, IV skew
Negative GEX	Aggregate dealer gamma below zero-gamma flip level	SpotGamma, Quant Data, GammaLab
Increasing short interest	SI >20% of float creates dual squeeze potential	FINRA short interest data (bi-monthly)
Small float	<100M shares outstanding amplifies any buying	Company filings

Red Flags That a Squeeze Is Exhausting

Volume declining: Peak day volume drops 30%+ on subsequent days
Call buying shifting to puts: Smart money buying protection
Implied vol collapse: The "vol crush" that occurs once the move has been fully priced
Broker restrictions: When clearinghouses raise margin requirements (as DTCC did with GME), the fuel supply is cut off
Strike ceiling: Price reaches a level with minimal call open interest above, no more gamma fuel

Trading the Gamma Squeeze

For Stocks in a Squeeze

Riding the squeeze (high risk, high reward):

Buy shares or slightly ITM calls early in the setup (before the cascade begins)
Use tight trailing stops, gamma squeezes can reverse 50%+ in a single session
Take profits at strikes with highest open interest (these are natural resistance levels)
Never chase once the move is parabolic, the unwind can be faster than the squeeze

Selling into the squeeze (providing liquidity):

Sell call spreads (not naked calls) at strikes well above current OI concentration
The rich implied volatility provides wide credit; the spread limits risk
Be aware: this can still lose badly if the squeeze exceeds your short strike

For Indices (0DTE Gamma)

Morning trend following: If the first 30 minutes establish a directional gamma trend, trade with it through midday
Afternoon mean-reversion: After 3:00 PM, look for gamma unwind reversals, especially on OpEx days
Avoid the chop zone: Between 1:00-2:30 PM, gamma effects often create indecisive chop before the final positioning into the close

GEX as a Volatility Regime Indicator

For the S&P 500, GEX has become one of the most reliable volatility predictors:

GEX Level	Expected Regime	Strategy Implications
Very positive (>$10B)	Low vol, grinding higher	Sell vol, buy dips confidently
Positive ($2-10B)	Normal vol, trending	Trend-following works well
Near zero ($0-2B)	Transitional, unstable	Reduce position sizes, widen stops
Negative (-$2B to -$10B)	Elevated vol, amplified moves	Trade smaller, use wider stops, expect whipsaws
Very negative (<-$10B)	Extreme vol, crisis potential	Hedge aggressively, consider tail protection

OpEx Week Dynamics

Monthly options expiration (third Friday of each month) creates a predictable gamma pattern:

Monday-Wednesday: Gamma effects build as expiring options approach peak gamma
Thursday: Maximum gamma compression, the "pin" effect is strongest
Friday AM: Final hedging adjustments create sharp moves
Friday PM: Massive gamma release as options expire. "OpEx volatility" is a well-documented phenomenon
Monday after OpEx: Often sees a directional move as the "gamma overhang" has been cleared

Research by Nomura found that the S&P 500's average absolute return in the week following monthly OpEx is 35% larger than non-OpEx weeks, the market is "freed" from dealer hedging constraints.

Key Takeaways for Traders

Gamma squeezes are mechanical, not fundamental, they end when the hedging demand is exhausted, regardless of the stock's valuation
0DTE has made gamma effects an intraday phenomenon, you no longer need a multi-day setup for gamma to move markets
GEX is the modern VIX complement, VIX tells you what volatility the market expects; GEX tells you whether the options market will amplify or dampen the next move
The unwind is as violent as the squeeze, gamma works in both directions. Dealers who bought shares on the way up must sell them on the way down
Liquidity is the constraint, gamma squeezes are most powerful in small-cap, low-float names where dealer hedging represents a large fraction of daily volume

Frequently Asked Questions

▶How exactly does dealer delta-hedging create a gamma squeeze?

When a retail trader buys a call option, a market maker (dealer) sells it to them and immediately hedges by purchasing shares of the underlying stock equal to the option's delta. For example, if a trader buys 100 call contracts (10,000 shares notional) at a delta of 0.30, the dealer buys 3,000 shares. As the stock price rises, the delta of those call options increases — say from 0.30 to 0.60. Now the dealer needs 6,000 shares to hedge, so they must buy 3,000 more. This additional buying pushes the stock price higher, which increases delta further — perhaps to 0.80 — requiring 8,000 total shares and another 2,000 shares purchased. Each incremental move higher forces more buying, and the buying itself drives the price higher. The key variable is gamma (the rate of change of delta): at-the-money options have the highest gamma, meaning their delta changes fastest per dollar of stock movement. When massive open interest sits near the current stock price, even a small move can trigger enormous hedging flows. On January 27, 2021, GameStop's options market had an estimated $2-3 billion in notional delta-hedging demand compressed into a narrow strike range, creating the most violent gamma squeeze in market history.

▶What is GEX and how do traders use it to predict market moves?

Gamma Exposure (GEX) is an estimate of the total gamma that options market makers (dealers) hold across all strike prices for a given underlying asset. It is calculated by aggregating the gamma of all outstanding options contracts, weighted by open interest and assuming dealers are short calls and long puts (since they sell to retail buyers). Positive GEX means dealers are net long gamma — when the stock rises, dealers sell shares (hedge reduces), and when it falls, dealers buy shares. This creates a "pinning" effect that suppresses volatility. Negative GEX means dealers are net short gamma — when the stock rises, dealers must buy more shares, and when it falls, they must sell. This amplifies moves in both directions. Key levels: the "GEX flip" point is the price at which dealer gamma switches from positive to negative. Below this level, expect amplified volatility; above it, expect dampened moves. Services like SpotGamma, Quant Data, and GammaLab publish estimated GEX levels for SPX, SPY, QQQ, and individual stocks. In practice, the S&P 500's zero-gamma level has been a reliable support/resistance zone — when SPX trades below the zero-gamma level, realized volatility increases by 30-50% compared to periods above it.

▶How did the GameStop gamma squeeze work step by step?

The GameStop (GME) gamma squeeze of January 2021 was the convergence of three forces: (1) Extreme short interest: over 140% of the float was sold short (through re-borrowing chains), creating massive short-squeeze potential. (2) Coordinated call buying: WallStreetBets users on Reddit identified the setup and bought massive quantities of out-of-the-money call options at strikes of $20, $30, $40, $50+ when the stock was trading around $20. The calls were cheap because they were far out-of-the-money. (3) Dealer hedging cascade: as GME began rising, market makers who sold those calls had to buy shares to hedge. Timeline: Jan 13 — GME at $20, rising on Ryan Cohen board news. Jan 22 — GME hits $65, short sellers facing losses, call options moving in-the-money. Dealers buying millions of shares to hedge. Jan 25-27 — exponential surge from $76 to $347. Each new strike breached triggers a wall of delta-hedging. Options at $50, $60, $100, $150, $200 all go in-the-money sequentially. Estimated dealer hedging demand exceeds 50 million shares when the float was only 70 million shares. Jan 28 — Robinhood and other brokers restrict buying. DTCC raised collateral requirements from ~$1.4B to $3.7B overnight. GME peaks at $483 intraday. Without new buying, the gamma squeeze unwinds — dealers sell shares as delta declines, and the stock crashes 77% in 5 days. The key lesson: a gamma squeeze requires continuous inflow of new call buying to sustain itself. Once buying stops, the same mechanics work in reverse.

▶How have 0DTE options changed gamma squeeze dynamics?

Zero days to expiry (0DTE) options — options that expire the same day they are traded — have fundamentally transformed intraday market microstructure since their introduction for SPX in 2022. By early 2024, 0DTE options accounted for over 40% of total SPX options volume, representing $500 billion+ in daily notional exposure. Because 0DTE options have maximum gamma (their delta swings from 0 to 1 within hours, not weeks), the hedging flows they generate are compressed into a single trading session. A typical intraday gamma squeeze sequence: (1) A news catalyst (CPI release, Fed statement, earnings) triggers directional flow. (2) Traders pile into 0DTE calls (or puts). (3) Dealers hedge aggressively, amplifying the initial move. (4) The move triggers more 0DTE buying at the next strike → more hedging → further amplification. (5) As options approach expiration (3:00-4:00 PM ET), gamma collapses to zero and dealers unwind hedges, often causing a sharp reversal. J.P. Morgan estimated that 0DTE hedging flows now account for 25-30% of intraday S&P 500 volume during active sessions. The "3:30 PM reversal" pattern — where the market moves sharply in one direction all day then reverses in the final 30 minutes — has become more frequent, driven by 0DTE gamma unwind. For day traders, understanding the 0DTE gamma landscape is now essential for navigating intraday moves.

▶Can gamma squeezes happen to the downside and how do you protect against them?

Yes — a "reverse gamma squeeze" or "gamma crash" occurs when dealers are short puts and must sell shares as prices decline. The mechanics are identical in reverse: (1) The stock drops, increasing the delta of short put positions. (2) Dealers who sold puts must short more shares to hedge. (3) This selling pushes prices lower, increasing put deltas further, requiring more selling. The most notable downside gamma events include: the February 2018 "Volmageddon" where short-volatility products (XIV) collapsed and dealer hedging amplified the S&P 500's 10% decline in two days. The March 2020 COVID crash, where unprecedented put buying forced dealers to sell an estimated $50-100 billion in equities over two weeks. The September 2020 "SoftBank whale" event, where SoftBank purchased ~$4 billion in call options on tech stocks; when those positions were unwound, the reverse gamma effect contributed to a 10% Nasdaq correction. Protection strategies: (1) Monitor GEX levels — when the market is below the zero-gamma level, volatility will be amplified in both directions. (2) Reduce position sizes during options expiration weeks (monthly "OpEx" on the third Friday), when gamma effects are most pronounced. (3) Use put spreads rather than naked puts for downside protection, as the spread limits your dealer's hedging footprint. (4) Watch for "gamma walls" — strike prices with massive open interest that act as magnets or barriers.

Gamma Squeeze is one of the signals monitored daily in the AI-driven macro analysis on Convex Trading. The platform synthesises data across monetary policy, credit, sentiment, and on-chain metrics to generate actionable trade recommendations. Create a free account to build your own signal layer and see how Gamma Squeeze is influencing current positions.

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