S&P 500 risk pivot comes into focus as stocks sell off
Options traders are watching 7,500 on the S&P 500 as higher yields, oil and Big Tech selling test a market support zone.
By Theo Nakamura · Staff Writer
· 3 min read
Options traders are watching the S&P 500 risk pivot around 7,500 after a rough session for stocks, a level that may matter for anyone tracking index funds or broad market ETFs. The concern is that options positioning, which recently helped keep the market contained, could start adding pressure if the sell-off deepens.
CNBC reported that crude oil was rising, bonds were under pressure and equities were slipping Thursday. Investors sold Big Tech shares after earnings, while the 10-year Treasury yield touched 4.7%, its highest level since January 2025, according to CNBC market data.
The S&P 500 was down 108.54 points, or 1.45%, at 7,390.42 around 3:14 p.m. EDT, according to the same market data. Even with that drop, CNBC noted the index was less than 3% below its record, still above last month’s lows and near a level it first reached in May.
What is the S&P 500 risk pivot?
The risk pivot is a level where options positioning can change how market makers hedge their books. Market makers, also called dealers, provide trading liquidity by standing ready to buy and sell securities, and they hedge their options exposure by trading the underlying stocks or indexes.
In a “long gamma” setup, dealers tend to trade against the market’s move: buying stocks when prices fall and selling when prices rise. Gamma is an options term that measures how quickly an option’s sensitivity to price changes shifts as the underlying asset moves. That hedging can reduce volatility and help create support and resistance zones.
CNBC reported, citing analysis of data from SpotGamma, Barchart and Cboe LiveVol, that dealers appeared to be long gamma for at least a month before this week, with the heaviest activity clustered near 7,500 on the S&P 500. That positioning was seen by options traders as one reason the index had mostly stayed inside a roughly 200-point range since mid-May.
Why traders are watching 7,500 and SPY 740
Barchart’s volatility model put the gamma flip level at 7,500, according to CNBC. A flip into “negative gamma” means dealer hedging can start moving with the market instead of against it. In a falling market, that can mean selling more stock to stay hedged, which may intensify the move.
“We are in a negative gamma regime,” Brendan Herbert, options product manager at Barchart, told CNBC. Herbert said that if the market falls, market makers may have to sell to cover deltas, which could make a downward move more intense. Delta is an options measure of how much an option’s price changes when the underlying asset moves.
CNBC also reported that traders are watching the State Street SPDR S&P 500 ETF Trust, known by its ticker SPY. If SPY falls below 740, a level where dealers have their largest gamma exposure, the risk of a larger sell-off would rise, according to the report.
Brent Kochuba, founder of SpotGamma, wrote in a Thursday note to clients that positive gamma had faded but that a “fairly light amount of positive gamma” remained down to 7,300, CNBC reported. Kochuba also wrote that the S&P 500 had moved below a “risk pivot” and said he would add to short-dated, inexpensive out-of-the-money put fly positions with a bearish directional bias.
For retail investors, the takeaway is mechanical rather than predictive. Options flows do not decide the market on their own, but they can change how quickly a sell-off develops when major levels break.
This story draws on original reporting from CNBC.
