QQQ is 718.14 pre-open on quad-witching Friday, caught between two clusters. Zero gamma is 716.61, 1.53 below, with the prior close and the overnight low inside 54 cents of it. The call wall is 720, 1.86 above, carrying the heaviest gamma on the map and rated a strong magnet, with overnight value stacked on top of it from 719.01 to 721.60. The book quadrupled to $11.8B on expiry day. Above the flip, a book that size pins.
Spot is 718.14 on the bid, corroborated three ways: the watchlist bid at 718.14, the chart print at 718.18 and the InsiderFinance page at 718.08. The watchlist’s 716.92 last is Thursday’s close, so the index is up 1.22, or 0.17 percent, before the bell. The extended session ran from a 716.38 low to a 722.42 high — up through the call wall overnight and back under it by morning. Net GEX is +$2.3B on a 1.50 call/put ratio, with call GEX at $7.1B on 1,186,862 contracts against put GEX of −$4.7B on 1,576,365. Total GEX is $11.8B on 2,763,227 contracts. The run: $2.8B last Wednesday, $2.9B Thursday, $5.6B Friday by mid-morning, $845.4M Monday, $4.1B Tuesday, $2.9B Wednesday, $2.8B Thursday, and $11.8B this morning. That is 4.2 times yesterday’s gamma on 7.3 times the contracts. This is the quarterly expiry, and today’s 0DTE book is the biggest this run has seen. Net GEX more than doubled, but the ratio fell from 2.06 to 1.50, because the put side grew faster.
Yesterday’s read called the flip at 715.87 the line, 717 the magnet, and a pin between 715.87 and 718 the default above it. The GEX page’s day range has not rolled to today yet and still shows Thursday: 713.32 to 718.02. The close was 716.92, 8 cents under the 717 magnet. The high hit the 718 first upside target by 2 cents and stopped. The low traded 2.55 under the flip, so the first half of the downside trigger fired, but the second half — loss of 713.05 — never did; the low held 27 cents above it. The screen does not show which came first, so read that as a range scorecard, not a sequence. The pin call held into the close. What it did not anticipate was the overnight: price ran to 722.42, past the 721 call gamma and the 721.41 implied high, and has handed most of it back.
Written at 8:49 a.m. ET, forty-one minutes before the open. Spot is live and corroborated across the watchlist bid, the chart print and the GEX page, and the InsiderFinance snapshot is stamped 11 snapshots since 8:42 a.m. ET — the gamma levels are current; only the page’s day high and low are still Thursday’s. Updated at 9:05 a.m. ET with today’s option chain: the 0DTE expiry is pricing 25.60 percent implied vol and a ±4.195 move. Re-pull at 9:30. On an expiry this size, the first rebuild of the book matters more than usual.
The Macro Tape
The week ends with oil and rates pulling in opposite directions. The market-risk note on the wire has US stocks struggling for direction while Treasury yields resume their climb, resisting the pull of a third straight day of falling oil. Brent started the week at a four-month high and is now back below $104 as Middle East supply fears ease. The 10-year is back around 4.98 percent, Treasuries are weaker across the curve, the dollar is firmer and gold is pushing back toward $4,400. Lower oil is helping. Higher yields are capping it.
The overnight event was the Bank of Japan. It hiked as expected, but the vote was split, with two board members opposing. The yen sold off hard because the split reads as a BoJ that tightens more slowly than priced. That is one more central bank tightening into a week where the Fed already did. The first Fed voices after Wednesday’s hike come today: Bowman at 9:30 a.m. ET, right on the open, and Schmid at 11:45 a.m. ET.
Vol is quiet. VIX is 15.51, up 0.07, after yesterday’s 2.28-point drop. The 0DTE expiry is at 25.60 percent implied vol with a ±4.195 move, down from 32.07 percent on yesterday’s 0DTE and from the 27.64 percent Thursday’s chain was pricing for today. The post-Fed event premium is draining out of the front. /NQ is up 0.15 percent while /MES is down 0.08 percent — the wire’s own framing is tech leading, S&P flat. SPY is down 0.04 percent, DIA down 0.28 percent and IWM down 0.35 percent. This is a Nasdaq-only bid, and a small one.
On single names, META is the standout, up 1.27 percent at 691.00. INTC is up 0.76 percent at 109.63 and ON up 0.73 percent at 68.80. AOSL is the weak spot, down 1.51 percent at 24.83. NVDA and AMD are both slightly red.
The Gamma Map
| Level | Price | What It Is |
|---|---|---|
| Call Gamma | 725.00 | Second-heaviest call bar on the strike profile, roughly $400M |
| PH | 722.42 | Extended-session high; overnight spike above the wall |
| Implied High | 722.34 | Upper bound of the 0DTE expected move; 8 cents under the extended high |
| VAH | 721.60 | Value area high |
| Call Gamma | 721.00 | Start of a 721–724 call block, roughly $100–200M per strike |
| Call Wall / Magnet | 720.00 | Peak call gamma, roughly $900M — more than twice any other strike; rated a strong magnet; 0.44x the implied move above spot |
| POC | 719.59 | Point of control |
| VAL | 719.01 | Value area low |
| SPOT | 718.14 | Bid; 0.87 below value, 1.53 above the flip |
| Prior Close | 716.92 | Thursday cash close |
| Zero Gamma | 716.61 | The flip; rated moderate support; 0.36x the implied move below |
| PL | 716.38 | Extended-session low; 23 cents under the flip |
| Implied Low | 713.95 | Lower bound of the 0DTE expected move |
| Prior Session Low | 713.32 | Thursday’s low per the GEX page; just outside the implied low |
| Put Gamma | 712.00 | Heart of a continuous put block from roughly 705 to 717, bars roughly $100–130M |
| Put Wall | 700.00 | Heaviest put gamma; strong volatility trigger below; 4.32x the implied move |
The Line: 716.61
Zero gamma is 716.61, 1.53 under spot. It rose 74 cents from yesterday’s 715.87, and the call wall moved up three strikes from 717 to 720. The book followed Thursday’s close higher, but not as far as the overnight spike did. Against today’s ±4.195 implied move, the flip is 0.36 of a move below and the call wall 0.44 of a move above. Both are well inside the expected range, so the flip is the line, not the ceiling — and the whole decision sits inside the first half of one implied move.
Above 716.61 dealers are long gamma, and on an $11.8B book that is a lot of hedging. The page’s first signal is strong volatility dampening at spot. The single largest bar on the profile is 720, roughly $900M, and the page calls it a strong magnet. That magnet sits inside overnight value — VAL 719.01, POC 719.59 — so gamma and volume point at the same place. On quarterly expiry, that is the classic setup for price getting pulled to the big strike and held there into the close. The squeeze screener reads bullish bias, squeeze possible, but a book this long gamma absorbs squeezes rather than feeding them, and above 720 there is another call block from 721 to 725 to sell into.
Below 716.61 the book changes character. Unlike yesterday, the gamma under the flip is not thin — it is a continuous put block from roughly 705 to 717, with the heaviest bars around 711 to 714. Net short gamma there means dealers hedge by selling into weakness, so a break of the flip does not drift. It moves. The bottom cluster is tight: the 716.92 close, the 716.61 flip and the 716.38 overnight low sit within 54 cents. The overnight low already probed 23 cents under the flip and bounced. A second test on the cash open is the one that matters. The put wall at 700 is 18.14 points down and is not in play on a normal day; the page flags it as a strong volatility trigger if it trades.
Structure
POC is 719.59, VAH 721.60 and VAL 719.01. The value area is 2.59 points wide and sits entirely above spot. Price at 718.14 is 0.87 under VAL. The overnight built its value up high, after the run to 722.42, and then sold back out of it. Extended range: 716.38 to 722.42.
That leaves spot in the gap between two clusters. The upper cluster is VAL 719.01, POC 719.59, the 720 call wall and VAH 721.60 — value and the magnet within 2.59 points. The lower cluster is the 716.92 close, the 716.61 flip and the 716.38 overnight low within 54 cents. Price is 1.22 above the bottom one and 0.87 below the top one.
The wider frame: Wednesday-night’s gap from 704.72 held through Thursday’s cash session, with Thursday’s low at 713.32 — above the old value and above the week’s 710.28 failure point. The overnight then tried to extend it and failed at 722.42. A gap that holds is accepted. An extension that fails is not. The cash open decides whether 719 is value to return to or a spike to fade.
Cross-Asset
Semis led three mornings running. This morning they are barely participating.
SOXL is bid 115.43 against a 114.82 close, up 0.53 percent — after three straight mornings as the biggest mover on the board. It is below its 116.17 VAL and 22 cents above its 115.21 period low, with POC at 117.83, VAH at 119.33 and the period high at 119.90. Like QQQ, it ran overnight and gave it back, but it gave back more: SOXL is at the bottom of its range, not the middle. SMH is up 0.14 percent at 561.41. Inside the group it is split — INTC up 0.76 percent and ON up 0.73 percent, against AMD down 0.09 percent, NVDA down 0.15 percent and AOSL down 1.51 percent.
Megacap is doing the lifting today, mostly through one name. META is up 1.27 percent at 691.00. AMZN is up 0.30 percent at 251.94, SNOW up 0.18 percent at 339.00, AAPL flat at 337.11, and MSFT down 0.23 percent at 496.61. MAGS is near 71.05 against a 70.78 close, up about 0.38 percent. It is between its 70.93 VAL and 71.22 POC, under its 71.33 VAH, with the period range 70.95 to 71.50 — also off its overnight high, also inside value rather than above it.
The index complex says narrow. /NQ up 0.15 percent against /MES down 0.08 percent; SPY down 0.04 percent, DIA down 0.28 percent, IWM down 0.35 percent. The leveraged pairs track it: TQQQ up 0.48 percent and SQQQ down 0.44 percent, while SPXL is down 0.23 percent and SPXS up 0.28 percent. VIX at 15.51 is flat. Yesterday everything agreed. This morning only Nasdaq is green, and inside Nasdaq it is mostly META.
The Opening Call
The burden of proof is on the upside to get back into value above 719.01 and then accept through 720. It is on the downside to lose 716.61 and the 716.38 overnight low together and hold under them. The default above the flip, on a book this size and on this expiry, is a drift toward 720 and a pin near it.
The honest read is non-directional with a pin bias. Above the line, $11.8B of mostly long gamma and a $900M strike make 720 the gravity well. Below the line, the put block turns that same size into acceleration. Whichever side wins the first thirty minutes gets more follow-through than it deserves — and today that is compounded by Bowman speaking at 9:30, on the opening print.
One detail is worth naming. Most of this gamma expires at 4:00 p.m. ET. That makes the pin strongest into the afternoon and weakest right after the close. Whatever the book holds today does not carry into Monday. Next week trades against a much smaller book that has not been built yet.
Upside Path
Trigger: Hold 716.61 through the open, then acceptance back above 719.01 VAL on cash volume.
Targets: 719.59 POC and the 720.00 call wall, then 721.60 VAH and the 722.34 implied high.
Invalidation: Loss of 716.61 zero gamma.
The first job is getting back into value. 719.01 to 720 is only 99 cents, and with the magnet and POC inside it, the likeliest outcome of a clean open above the line is price getting pulled to 720 and stalling. On expiry day that stall can last all afternoon. Acceptance above 720 opens 721.60, then the 722.34 implied high and the 722.42 overnight high — 8 cents apart, the top of the expected range and the level the overnight already failed at. The whole way up, the 721–725 call block means dealers are selling every step. The 725 bar is the outer edge, not a target.
Downside Path
Trigger: A clean break of 716.61 zero gamma and the 716.38 extended low on volume.
Targets: 713.95 implied low and the 713.32 prior session low, then the 711–712 heart of the put block.
Invalidation: Reclaim and hold 716.92.
A dip to 716.70 is the book working normally. A trade under 716.38 that holds is the one that changes the regime. That also puts price back under Thursday’s close, which on a day this narrow is a real signal. Below it, dealers are short gamma against a dense put block, and they sell weakness rather than buy it. The 713.95 implied low and Thursday’s 713.32 low sit 63 cents apart — the first stop, about one implied move down. The heaviest put bars around 711 to 712 are outside the expected range and would take more than dealer flow to reach. The 700 put wall is not a target; it is where the book’s hedging would turn disorderly if everything above it failed. The invalidation is the close, not the flip, because the three levels sit so close together that a reclaim of the top one is the only unambiguous one.
Catalysts
- 9:15 a.m. ET — industrial production, forecast +0.3 percent vs +0.2 prior; capacity utilization forecast 76.4 percent vs 76.3.
- 9:30 a.m. ET — Fed’s Bowman speaks, on the open. First Fed voice since Wednesday’s hike. Re-pull the book at the same time.
- 11:45 a.m. ET — Fed’s Schmid speaks.
- 2:30 p.m. ET — Trump healthcare announcement.
- 4:00 p.m. ET — quarterly expiration. Most of today’s $11.8B book rolls off at the close.
- Rates: 10-year near 4.98 percent and rising despite a third day of falling oil; the BoJ’s split hike and a weaker yen overnight.
The Week Ahead
Monday, September 21 — Fed’s Goolsbee at 6:30 a.m. ET. First session on a post-expiry book, which will be a fraction of today’s size.
Tuesday, September 22 — 2-year note auction at 1:00 p.m. ET; prior high yield 4.204 percent, bid-to-cover 2.600.
Wednesday, September 23 — S&P Global flash PMIs at 9:45 a.m. ET: services forecast 56.0 vs 56.5, manufacturing 53.6 vs 53.9, composite prior 56.0. EIA crude inventories at 10:30 a.m. ET, prior −0.640M. 5-year note auction at 1:00 p.m. ET; prior 4.393 percent, bid-to-cover 2.370. Correction to yesterday’s post: the flash PMIs are Wednesday, not Tuesday.
Later in the week — Xi’s state visit to the US is on the calendar. Micron reports September 30, the week after, which matters for a semis complex that just stopped leading. With yields near multi-decade highs, next week’s auctions are the main event. No market holidays in this window.
Levels are levels. Wait for the trigger, know your invalidation before you enter, and size to your own risk tolerance and account.
Hunt the Day. Own the Trade.
This is educational content, not financial advice. Options carry substantial risk of loss.
0DTE Hunter 
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