Andrew Hiesinger
Options specialist and QuantData founder; shares options flow and pre‑earnings positioning updates (e.g., TSLA) to contextualize potential market reactions to results.

SPY's $710 MVC Draws Magnetic Gamma Pull
$SPY spent practically the whole day at $710, which we identified this morning as the MVC. These elevated gamma levels can act like magnets.

SPY Targets Bounce at $714‑$715, Below $712 Invalidates
At the bottom of the range again on $SPY. $714 is now the MVC, positive exposure at $714-$715 has only increased since the open. Another opportunity for a bounce to $714 here, invalidated under $712.

No Call Activity on Mag 7 or QQQ Yet
Call activity on Mag 7 is nowhere to be found so far this morning. Same deal with $QQQ.

SPY Gamma Exposure Peaks at 715, Watch for Rejection
Gamma exposure update for $SPY: $715 has been lit up with positive exposure all week. We're now approaching that strike, be cautious of chop/rejections as we near it. I've got support at $711, positive exposure above and below spot.

Massive $15M Put Hits SPY; Iran Skips Talks
$15M Put Spike on $SPY just before close. Iran informed via Pakistan that they won't be attending the talks on Wednesday.

Massive $40M Call Surge Reflects Pure Price Discovery
$40M Call Spike on $CAR since the open Definitely no manipulation or short squeeze here, just natural price discovery...😂

Citadel Proposes Half‑penny Tick Pilot to Test Market Quality
Citadel just urged the SEC for a 2-year pilot on tick sizes. 30 of the 60 most liquid stocks & ETFs would get half-penny ticks ($0.005) + lower access fee caps. The other 30 stay at the current penny tick ($0.01)...

SPY IV Rank Still Elevated, More Compression Expected
IV Rank has compressed on $SPY, but still sits above pre-war levels. Into this week, there’s still room for further compression. We’ll see how futures digest the weekend developments and reassess tomorrow morning.

SPY Gains Positive Gamma Exposure Near $710 Support
What a crazy market... Just a few minutes into the open, I am seeing considerable positive gamma exposure building overhead on $SPY. Tons of positive exposure is building at $710, with support forming at $705. Let's see how data develops into...
Positive Gamma Exposure Keeps SPY Near $700
Gamma exposure update for $SPY: There's still a ton of positive exposure around spot, and $700 is still the MVC. I am expecting some chop around $700 today. I am not interested in downside. Will see how things change in...

SPY Volatility Near Pre‑war Levels, Gamma Gains Focus
Implied vol on $SPY is practically back to pre-Iran war levels. As vol compresses, exogenous drivers become less dominant, and dealer hedging flows have a greater influence on price action, making gamma exposure increasingly important to monitor.

SPY Holds Near
As we chop around $690, exposure at $695 has been increasing since open on $SPY. $689-$690 is now support for me. The data has been on point :)

SPY Faces Overhead Resistance at 675, Support 670‑671
Tons of positive exposure above and below spot on $SPY. $675 holds elevated positive exposure and will likely act like a magnet/overhead resistance. Support is at $670/$671. I will not be taking any trades today.

SPY
Elevated negative gamma exposure present under spot on $SPY. It is testing a break of $655 now; if there's follow-through, $650 is the next support. As Trump's Iran ceasefire deadline approaches, the market will be looking for any catalysts.

SPY Holds $5 Range; MVC at $660, Exposure at $658
We spent the whole day in the $5 range we identified earlier on $SPY. $660 remains the MVC, and there's quite a bit of positive exposure at $658. Pretty much the same analysis as this morning...

SPY Gamma Exposure Shows Upside Bias Near $660
$SPY Gamma Exposure update: There's quite a bit of positive exposure overhead, especially around $660. I have $655-$660 as the current range, biased towards upside today. We'll see how things change, especially if a new catalyst comes in.

SPY Faces Negative Gamma Near 635, Watch 640 Resistance
Net Gamma Exposure for $SPY shows elevated negative exposure at $634-$635. I have resistance currently at $640, where positive exposure is slightly building. Be cautious of catalysts, Trump claims to be "close" to a deal.

640 Remains SPY’s Key Level as Negative Exposure Rises
$640 is still the MVC on $SPY. We've really pinned $640 on SPY for the majority of this session. Negative exposure has continued to build at $640. Exposure at $635 has nearly doubled since the open.

Expect SPY Tests Around $650 Before Further Moves
Sure is tempting to hold Puts down to $645 on $SPY, but I would be cautious of chop around $650. Especially as momentum slows into lunch. I would expect a few tests of $650 before anything gives...

SPY Tests $650 MVC, Likely to Keep Chopping
$SPY is testing the MVC at $650 after a full day of chop. There's not much momentum going into this move, would not be surprised if we continue to chop.

SPY Likely Rebounds to $660 Despite Support Test
Negative Exposure across the board on $SPY at the open. Testing support at $655 right now; the next level is $650. I am hesitant to short $655; I think a move towards $660 is more likely, given the strong exposure...

Watch $SPY Near Critical $660 MVC Level
$660 is the MVC on $SPY and is/has been a very significant level recently. Worth keeping an eye on as price approaches 👇

NVDA Calls Surge $30M After $1T Revenue Forecast
$30M Call Spike on $NVDA after NVDA ceo says he expects revenue to surpass $1 trillion by 2027. 👇

Negative Gamma Pushes SPX/SPY Toward 6700 Support
Gamma exposure for the combined $SPX + $SPY view shows mostly negative exposure under spot. $6700 is a key support level; if it breaks, we could see a move towards $6650 pretty quickly. The range we are currently in is...

SPX Eyes 6860 Resistance After Range‑Bound Chopping
We've been chopping around for the last 2 hours, as expected on $SPX. I can see some positive exposure building at $6860, which is my next resistance over $6840 if it can break out of this range.

$64M Short‑Dated Puts Sold Since Market Open
Puts have been selling off since the open on Mag 7, totaling $64M short-dated single-leg Puts sold today. 👇

Massive SPY Call Surge Amid
$15M Call Spike on $SPY just before close. Trump said, “I think the war is very complete, pretty much.”