Ainvest Option Flow Digest - 2026-08-10 — The $289M Trade That Isn't What It Looks Like

≈$584.6M net premium across 19 names. The biggest number on the page is $289M in SanDisk — and ≈$207.4M of it is intrinsic value, money that would sit in that option no matter what the stock does next. Meanwhile the single most informative print of the day cost less than a twentieth as much.

⚡ Quick Read

🧩 SNDK — a $289M put sale where the arithmetic changes the story. 5,000 January-2027 $1,660 puts crossed at $578.00 with the stock at $1,245.28. The strike sits ≈$415 above the stock, so $414.72 of that $578 is intrinsic value — ≈$207.4M of the headline, versus only ≈$81.6M of actual time value. And the open-interest history is blunt: that strike sat at ≈660 contracts for weeks, jumped to ≈5,660 on Thursday/Friday, and today ≈5,000 trade. Matching size, days apart. The leading read is that a position opened last week is being closed or transferred, not a fresh quarter-billion-dollar bet. It cannot be proven today — size sits below open interest — which is exactly why we are not calling it conviction.

⚡ The one genuinely aggressive trade all day was small. Also in SanDisk: 1,767 August-28 $1,300 calls sold at the bid for ≈$15.55M, against prior open interest of just 168. That is a proven new short, and it is the only print on the entire board that took displayed liquidity. Forty-one of today's forty-four legs were negotiated blocks with a known counterparty on the other side, and two more were price-improvement auctions. When someone sells near-dated upside calls into a stock up ≈355% year-to-date, that is worth more attention than a headline twenty times its size.

🔄 MSFT — ≈$53.7M worked in four clips, and the fourth breaks the pattern. Three of them sell the October $510 call and buy the $550 — a roll up. The open-interest history says why that matters: the $510 line went from 253 to 52,671 contracts on August 4, so this desk built that position barely a week ago and is already moving it higher. Then the 12:48:06 clip does something different — it buys both strikes. Worth knowing before you read "MSFT $110M of calls" anywhere else. And the calendar bites: Microsoft's next earnings is expected ≈October 28, about twelve days AFTER this contract expires. This position does not own the print.

🔄 SPY — a "$22M call buy" that is largely somebody covering a short. 60,000 August-14 $780 calls were bought — but that strike exploded from 5,775 to 145,531 contracts on Friday's session. Roughly 139,756 opened Friday; today's buyer is buying them back. The order type resolves as a buy-to-close at high confidence. These expire in four days, which leaves almost no room for the open-interest test to settle anything.

🔁 Three separate desks ran the same play: roll up and out. AAPL (≈$7.18M credit), DASH (≈$16.70M credit) and GLW (≈$1.65M debit) each sold a deep in-the-money near-dated call and bought a higher strike further out. In every case the sold leg was almost pure intrinsic value — Corning's $115 call priced at $48.01 against $48.01 of intrinsic value, exactly zero time value. Corning's desk moved its strike from $115 to $140 and its expiry from September to November for a net ≈$1.65M against ≈$98M of gross trading. That is the trade of the day for anyone learning how professionals reposition.

📅 SE — ≈$22.17M placed across seven legs, one day before a confirmed earnings print. Sea Limited reports tomorrow, Tuesday August 11, pre-market, and the options market is pricing an ≈19.1% move. Three October legs are proven fresh opens buying movement in both directions; a September $120 call matches its prior open interest exactly and looks like a close; a December $97.50/$145 call spread is a genuine directional structure. Note carefully: buying options the day before a print means paying elevated volatility that collapses the next morning.

🥇 GLD — the gold package from Friday just got bigger, and the open interest proves it is the same desk. Friday we wrote up a self-financing double backspread and predicted the November $460 call would land near 67,600 if it was a fresh position. It printed 67,622. Today that desk adds to both sides — selling another 26,950 of the $460 call, buying another 30,993 of the $470, and selling 34,722 $330 puts plus 29,645 $340 puts, for ≈$14.60M of net credit. Alongside it, a January-2027 far-out-of-the-money put credit spread collecting ≈$0.46 to risk ≈$4.54. One caveat we will not paper over: a seventh leg was cut off in our source capture, so we recovered it from the tape — a short 11,000-lot January $465 call, ≈$8.91M — and its direction is inferred from where it printed, not read off a feed. And a framing correction worth having: 2026 has been a DOWN year for gold; today's ≈$4,330 is still ≈20% below January's record.

🇰🇷 EWY — ≈$22M of Korea volatility, and we honestly cannot tell which way. A 11,250-lot October $165 call / $130 put strangle crossed. But both strikes were built in the same two sessions two weeks ago ($165 call 740 → 23,781; $130 put 6,795 → 31,047), and today's size sits below both. So this either adds to that strangle or takes it off — opposite conclusions, and only tomorrow's open interest separates them. We are not guessing.

The habit to take from today: compare the option's price to its intrinsic value before you read anything into the dollar figure. Corning's $115 call carried $0.00 of time value. DoorDash's $145 call carried $0.33. Apple's $275 call carried $0.16. Those three legs alone account for ≈$127M of "premium" that contains almost no opinion about anything. A big number is not a big bet.

🔁 OI Review — Last Session's Provisional Flags, Now Resolved

Friday's board has been through the next-day open-interest test, and five of thirteen names came back meaning something different than they looked. Of 40 legs, 11 expired Friday and can never be settled; of the 29 that could be, 23 opened, 5 closed, 1 was a pure transfer.

🔄 Inversions

• 🔄 GLD — we published a two-branch test and it landed on the branch we argued against. The $460 call was supposed to collapse toward ≈0–1,000 on a roll, or rise toward ≈67,600 on a fresh position. It printed 67,622. All four legs opened — nothing was retired. Corrected: a self-financing double backspread, flat between $345 and $460, paying only below ≈$320 or above ≈$550.
• 🔄 SPY — Monday's long calls were not sold out; they changed hands. 89,368 → 90,973, up 1,605 on 136,560 contracts of volume. A pure transfer. That removes the main support for reading the new vertical as a roll-up, leaving its direction less settled, not more.
• 🔄 MCHP — the September line was never retired. We predicted 56,599 → ≈3,700. It printed 53,300 — down only 3,299 of a 52,920-lot sale, ≈6%. The rest was transfer, and 53,300 September $75 calls remain live.
• 🔄 SKHY — the "bull call spread" was a roll down, and the upside is not capped. The January $180 call fell 7,225 → 3,115, so it was sold to close a long. Same $5.10 net cost, more delta, no short call capping anything. More bullish than we published.
• 🔄 META — a roll out, not a calendar. The January $750 call landed at 258,969 — net open, but only ≈42% of the print. Roughly 18,500 contracts changed hands between existing holders, so the $69.8M headline overstates the new money by more than half.

✅ Confirmations

• ⭐⭐ PCG — the coin-flip landed hard on OPEN, 97,135 → 146,981 (+49,846) against a 28,000 print. A leg published as "unprovable" is now the cleanest directional open of the session.
• PLTR — the cleanest roll on the board. September $155 fell 50,385 against a 50,000-lot sale; December $175 opened at 99.5%.
• NN went four for four; ADBE landed within 250 contracts of both predictions; SMH opened at 99.3%; SNDK's $900 call opened at ≈185% of its print.

The standing lesson, and Friday taught it three times: a matching strike and size identifies what traded, not who traded it. A large print landing on strikes bought the day before is genuine evidence — and it is equally consistent with somebody selling to that buyer. Only the next morning's open interest separates "they closed it" from "it changed hands", and a flat result is as common as either.

📊 At a Glance

Ticker	Net Premium	Expiration Range	Catalyst inside the window	Option Play	What It Means
SNDK	≈$304.6M	Weekly (Aug 28) + LEAP (Jan 2027)	Investor Day   Aug 13 ; Micron   Sep 22 ; SNDK Q1 ≈ Nov 5	Deep-ITM put sold (cross) + lit call sold	Mostly intrinsic; likely a close ⏳. The small lit call sale is the real signal
MSFT	≈$53.7M	Monthly (Oct 16)	Ex-div   Aug 20 ; Maia 300 unveil ≈ Sep   (reported)	3 clips roll $510→$550; 1 clip buys both	Roll up, delta-hedged. Earnings lands ≈12 days AFTER expiry ⏳
SPY	≈$39.8M	Weekly (Aug 14) + Monthly (Nov 20)	CPI   Aug 12 ; PPI   Aug 13 ; retail sales   Aug 14	Buy-to-close of Friday's short calls + hedged call sale	Not a bullish bet — a short being covered ⏳
GLD	≈$25.6M credit	Monthly (Nov 20) + LEAP (Jan 2027)	July CPI   Aug 12 ; FOMC   Sep 15-16 ,   Oct 27-28 ; dot plot   Dec 8-9	Short premium on both tails + put credit spread	Adds to Friday's package; collects small credits against rare large losses ⏳
SE	≈$22.2M	Weekly (Sep 11) + Monthly (Oct 16) + Quarterly (Dec 18)	Q2 earnings TOMORROW, Aug 11 pre-market	Long-vol package + likely roll + bull call spread	Volatility, direction and a close in one package
EWY	≈$22.0M	Monthly (Oct 16)	Nvidia   Aug 26 ; Bank of Korea   Aug 27	Long strangle	A big move either way — or an exit ⏳
COIN	≈$19.7M	Monthly (Aug 21 + Oct 16)	CLARITY Act cloture   Sep 15 ; FOMC   Sep 16	Two long call legs, with shares attached	Delta-hedged — not a clean directional call ⏳
DASH	≈$16.7M credit	Quarterly (Sep 18) + Monthly (Nov 20)	NJ worker rules   Oct 1 ; Q3 ≈ Nov 4   (est.)	Roll up & out	Bullish adjustment, not new money ⏳
CVNA	≈$16.4M	Monthly (Aug 21) —   11 days	J.P. Morgan Auto Conference   Aug 12   — the only one	ITM call ladder $65/$67/$69, shares attached	Looks like ask-side buying; it's a hedged cross
QQQ	≈$14.0M	Quarterly (Mar 2027, ≈7.3 months)	5 FOMC meetings; 8 CPI prints; midterms   Nov 3	Long-dated ITM put	Portfolio insurance, not a crash call
TSM	≈$12.3M credit	LEAP (Jan 2027)	5 monthly revenue prints; Q3 ≈ Oct 15   (est.)	Short OTM call ≈30% above spot	Premium collection —   not   a bearish bet
CXW	≈$8.6M credit	Quarterly (Mar 2027, ≈19 months)	Federal contract and appropriations decisions inside the window	Short $28/$32 puts + short $35 call, twice, shares attached	A range bet on a stock up ≈76% YTD.   Prior OI 0/0/1 — certain opens
SPCX	≈$8.0M	LEAP (Jan 2028, ≈1.45 yrs)	Final unlock tranche   Dec 8 ; ≈12.9B shares through mid-2027	Far-OTM $250 call, ≈89% above spot, shares attached	A supply-overhang timing bet, not a clean lottery ticket
AAPL	≈$7.2M credit	Monthly (Aug 21 + Oct 16)	CEO handoff   Sep 1 ; product event ≈ Sep 9	Roll up & out (auction)	Modest adjustment; quoted open interest was wrong ⏳
SKHY	≈$4.2M	LEAP (Jan 2027)	Memory-cycle prints and Korean supply news inside the window	Collar: long $120 put / short $220 call	Protection bought and upside sold — the shape of somebody who already owns it
GFS	≈$3.8M	LEAP (Sep 2027)	4 earnings prints; CHIPS award definitization	Deep-ITM LEAP call   with shares attached	Financing/stock substitute — no clean view
DOCU	≈$2.8M credit	LEAP (Jan 2028, ≈1.45 yrs)	6 earnings inside the window; next   Sep 3	Synthetic long stock (long call + short put)	Financing at ≈4.3%/yr carry, not conviction
ROCK	≈$1.6M	Quarterly (Sep 18)	FOMC   Sep 15-16 ; housing starts   Sep 17   — one day before expiry	Long slightly-ITM put	Prior open interest 0   — the one certain open on the board
GLW	≈$1.7M	Quarterly (Sep 18) + Monthly (Nov 20)	Citi TMT conf   Sep 9 ; Q3 ≈ Oct 27   (est.)	Roll up & out	Repositioned $115 → $140 for almost nothing ⏳

⏳ = at least one leg where trade size sits below prior open interest, so open-versus-close cannot be proven from today's tape. Tomorrow's ≈06:30 ET open-interest snapshot is the test.

📅 Upcoming Catalysts — and Which Expiration Actually Captures Them

Read this column carefully: a catalyst date and an option expiration date are different things, and several of today's trades expire before the event everyone assumes they are about.

Date	Event	Which of today's expirations contains it
Aug 11   (tomorrow, pre-market)	Sea Limited Q2 earnings	All three SE expirations (Sep 11, Oct 16, Dec 18)
Aug 12	July CPI	SPY Aug 14 weekly
Aug 12	Carvana CFO at the J.P. Morgan Auto Conference — the ONLY event inside CVNA's 11-day window	CVNA Aug 21
Aug 13	SanDisk Investor Day	SNDK Aug 28 weekly
Aug 20	Microsoft ex-dividend	MSFT Oct 16
Sep 3	Docusign Q2 FY2027 earnings (listed, not yet company-confirmed)	DOCU Jan 2028
Sep 17	Census housing starts —   one day before   ROCK's expiration	ROCK Sep 18
Dec 8	SpaceX final lockup tranche; ≈12.9B shares unlock through mid-2027	SPCX Jan 2028
Dec 8–9	FOMC with a fresh dot plot	GLD Jan 2027 ( not   GLD Nov 20)
Aug 14   (8:30 ET, pre-open)	July retail sales — on expiration morning	SPY Aug 14 weekly
Aug 26	Nvidia earnings	EWY Oct 16; SPY Nov 20; QQQ Mar 2027
Aug 27	Bank of Korea decision	EWY Oct 16
Sep 1	Apple CEO handoff	AAPL Oct 16 ( not   Aug 21)
Sep 15–16	FOMC + CLARITY Act cloture vote	COIN Oct 16; QQQ Mar 2027
Oct 1	New Jersey worker-classification rules	DASH Nov 20 ( not   Sep 18)
Oct 28	Microsoft Q1 FY2027 earnings (estimated)	⚠️   Nothing   — MSFT's Oct 16 expires ≈12 days too early
Oct 29	Gibraltar Q3 earnings (estimated)	⚠️   Nothing   — ROCK's Sep 18 expires ≈41 days too early
Oct 28	Carvana Q3 earnings (estimated)	⚠️   Nothing   — CVNA's Aug 21 expires ≈68 days too early
Oct 28–29	SK hynix and Samsung Q3	⚠️   Nothing   — EWY's Oct 16 expires ≈12 days too early
Nov 3	US midterms	SPY Nov 20; QQQ Mar 2027

Five mismatches worth internalising: EWY's strangle expires before the two earnings reports that drive ≈41% of the fund. AAPL's October contract captures the CEO change and the product event but expires ≈13 days before earnings. MSFT's October contract expires ≈12 days before Microsoft reports. CVNA's August contract expires ≈68 days before Carvana reports. TSM's January LEAP expires ≈6 days before the call carrying first FY2027 capex guidance. In every one of these cases, buying "the earnings trade" on that expiration would not actually own the earnings — and four of the five are names where somebody big just put real money on that exact contract.

👥 Four Ways to Read Today

🎲 The YOLO trader. The temptation today is SPY's four-day $780 calls — and they are the single worst thing on this page to copy, because the size is a short being covered, not a bull opening a position. At-the-money options with four days left lose value faster than anything else here, and you would be buying what somebody else is exiting. If you want today's genuine aggression, it is the small SanDisk call sale — and selling naked calls on a stock up ≈355% is how accounts get destroyed. Sit this one out or size it as a lottery ticket you can lose entirely.

📈 The swing trader. The three rolls are your material. AAPL, DASH and GLW all say the same thing: desks that were already right are staying long but moving their strikes higher and their dates further out. That is a continuation posture, not a fresh entry signal, and it comes with a known counterparty on the other side. The cleanest expression is not copying the option — it is noting that GLW's desk chose November $140 and DASH's chose November $170, and watching whether price respects those levels. Wait for tomorrow's open interest before you trust any of it.

💰 The premium collector. TSM is your trade of the day, and it is instructive: a desk collected ≈$12.25M selling a strike ≈30% above spot with five months to run — and the implied-move data says the January range tops out around $532, still below the $550 strike. That is what selling a genuine tail looks like. The counter-example is SE: with a confirmed print tomorrow and an ≈19.1% implied move, selling premium there is picking up coins in front of a scheduled event. Elevated volatility before earnings is not free money — it is priced that way for a reason.

🌱 The beginner. Learn one idea from today and you are ahead: an option's price is intrinsic value plus time value, and only the time value contains an opinion. Corning's $115 call cost $48.01 and had $48.01 of intrinsic value — $0.00 of opinion. It behaves like owning the shares. That is why a "$48M call sale" was not bearish and why a "$289M put sale" is not a quarter-billion-dollar conviction. Before you react to any flow headline, ask what the stock price is, what the strike is, and how much of the premium is just the difference. Also learn the ⏳ symbol in our table: it means we genuinely do not know yet, and saying so is the honest answer.

A second lesson, free, from DOCU: buying a call and selling a put at the same strike and the same expiry is not two trades — it is synthetic long stock. It behaves like owning the shares, including the full ride down. Today's package works out to an effective entry of ≈$64.90 against a ≈$60.27 stock over ≈1.45 years, which is almost exactly what it costs to borrow money for that long. That is the tell: this is a desk financing a stock position, not predicting a rally. If you can spot that shape, you will never mistake it for a moonshot bet again.

⚠️ Before You Trade Any of This

Forty-one of today's forty-four legs were negotiated blocks — a broker matched a buyer and a seller away from the public order book. Two more were price-improvement auctions. There is a known counterparty on the other side of every one of them, and that counterparty may be just as informed. This is not urgent buying or panic selling; it is two parties who already agreed on a price.

We cannot see everything, and we say so. The tape does not reveal who traded, why, or whether shares sit against an option position. Seven of today's packages — COIN, GFS, MSFT, CVNA, SPCX, CXW and SPY's $700 call — came with a stock leg attached, which means the option alone does not express a view at all. CVNA is the sharpest example: all three legs printed at the ask, which reads as urgent buying until you see the shares that came with them. And on ten of nineteen names, at least one leg cannot be proven open or close until tomorrow morning.

Come back tomorrow pre-market (≈06:30 ET). The next-day open-interest snapshot is what settles the ⏳ flags — and as Friday's review above shows, it inverted five of thirteen names. Position size for being wrong, not for being right.

This is market analysis and education, not investment advice. Options carry substantial risk of loss, and uncovered short options carry theoretically unlimited risk.